Merge pull request #5096 from wileyanderssen/master

removed unneeded comma

.github/workflows/linux.yml

@@ -30,17 +30,17 @@ jobs:
         - bits: 32
           ARCH: "i386"
           ARCH_NAME: "i386"
-          COMPILER_PATH: "/user/bin"
+          COMPILER_PATH: "/usr/bin"
           runner: "ubuntu-latest"
         - bits: 64
           ARCH: "x86_64"
           ARCH_NAME: "amd64"
-          COMPILER_PATH: "/user/bin"
+          COMPILER_PATH: "/usr/bin"
           runner: "ubuntu-latest"
         - bits: 64
           ARCH: "aarch64"
           ARCH_NAME: "arm64"
-          COMPILER_PATH: "/user/bin"
+          COMPILER_PATH: "/usr/bin"
           runner: "ubuntu-24.04-arm"
           
     runs-on: ${{ matrix.runner }}

BINDINGS.md

@@ -145,7 +145,6 @@ These are older raylib bindings that are more than 2 versions old or have not be
 | [clj-raylib](https://github.com/lsevero/clj-raylib)                                | 3.0            | [Clojure](https://clojure.org)                                          |
 | [QuickJS-raylib](https://github.com/sntg-p/QuickJS-raylib)                         | 3.0            | [QuickJS](https://bellard.org/quickjs)                                  |
 | [raylib-duktape](https://github.com/RobLoach/raylib-duktape)                       | 2.6            | [JavaScript (Duktape)](https://en.wikipedia.org/wiki/JavaScript)        |
-| [raylib-v7](https://github.com/Rabios/raylib-v7)                                   | 3.5            | [JavaScript (v7)](https://en.wikipedia.org/wiki/JavaScript)             |
 | [raylib-chaiscript](https://github.com/RobLoach/raylib-chaiscript)                 | 2.6            | [ChaiScript](http://chaiscript.com)                                     |
 | [raylib-squirrel](https://github.com/RobLoach/raylib-squirrel)                     | 2.5            | [Squirrel](http://www.squirrel-lang.org)                                |
 | [racket-raylib-2d](https://github.com/arvyy/racket-raylib-2d)                      | 2.5            | [Racket](https://racket-lang.org)                                       |

CONVENTIONS.md

@@ -28,6 +28,10 @@ Some other conventions to follow:
  - **ALWAYS** initialize all defined variables.
  - **Do not use TABS**, use 4 spaces instead.
  - Avoid trailing spaces, please, avoid them
+ - Comments always start with space + capital letter and never end with a '.', place them **before** the line(s) they refer to
+```c
+// This is a comment in raylib or raylib examples
+```
  - Control flow statements always are followed **by a space**:
 ```c
 if (condition) value = 0;

examples/Makefile

@@ -639,6 +639,7 @@ SHADERS = \
     shaders/shaders_mesh_instancing \
     shaders/shaders_model_shader \
     shaders/shaders_multi_sample2d \
+    shaders/shaders_normalmap \
     shaders/shaders_palette_switch \
     shaders/shaders_postprocessing \
     shaders/shaders_raymarching \

examples/Makefile.Web

@@ -639,6 +639,7 @@ SHADERS = \
     shaders/shaders_mesh_instancing \
     shaders/shaders_model_shader \
     shaders/shaders_multi_sample2d \
+    shaders/shaders_normalmap \
     shaders/shaders_palette_switch \
     shaders/shaders_postprocessing \
     shaders/shaders_raymarching \
@@ -1201,6 +1202,14 @@ shaders/shaders_multi_sample2d: shaders/shaders_multi_sample2d.c
 	$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDE_PATHS) $(LDFLAGS) $(LDLIBS) -D$(PLATFORM) \
     --preload-file shaders/resources/shaders/glsl100/color_mix.fs@resources/shaders/glsl100/color_mix.fs
 
+shaders/shaders_normalmap: shaders/shaders_normalmap.c
+	$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDE_PATHS) $(LDFLAGS) $(LDLIBS) -D$(PLATFORM) \
+    --preload-file shaders/resources/shaders/glsl100/normalmap.vs@resources/shaders/glsl100/normalmap.vs \
+    --preload-file shaders/resources/shaders/glsl100/normalmap.fs@resources/shaders/glsl100/normalmap.fs \
+    --preload-file shaders/resources/models/plane.glb@resources/models/plane.glb \
+    --preload-file shaders/resources/tiles_diffuse.png@resources/tiles_diffuse.png \
+    --preload-file shaders/resources/tiles_normal.png@resources/tiles_normal.png
+
 shaders/shaders_palette_switch: shaders/shaders_palette_switch.c
 	$(CC) -o $@$(EXT) $< $(CFLAGS) $(INCLUDE_PATHS) $(LDFLAGS) $(LDLIBS) -D$(PLATFORM) \
     --preload-file shaders/resources/shaders/glsl100/palette_switch.fs@resources/shaders/glsl100/palette_switch.fs

examples/README.md

@@ -16,8 +16,7 @@ You may find it easier to use than other toolchains, especially when it comes to
 - `zig build [module]` to compile all examples for a module (e.g. `zig build core`)
 - `zig build [example]` to compile _and run_ a particular example (e.g. `zig build core_basic_window`)
 
-## EXAMPLES COLLECTION [TOTAL: 159]
-
+## EXAMPLES COLLECTION [TOTAL: 160]
 
 ### category: core [36]
 
@@ -171,7 +170,7 @@ Examples using raylib models functionality, including models loading/generation
 | [models_bone_socket](models/models_bone_socket.c) | <img src="models/models_bone_socket.png" alt="models_bone_socket" width="80"> | ⭐⭐⭐⭐️ | 4.5 | 4.5 | [iP](https://github.com/ipzaur) |
 | [models_tesseract_view](models/models_tesseract_view.c) | <img src="models/models_tesseract_view.png" alt="models_tesseract_view" width="80"> | ⭐⭐☆☆ | 5.6 | 5.6 | [Timothy van der Valk](https://github.com/arceryz) |
 
-### category: shaders [28]
+### category: shaders [29]
 
 Examples using raylib shaders functionality, including shaders loading, parameters configuration and drawing using them (model shaders and postprocessing shaders). This functionality is directly provided by raylib [rlgl](../src/rlgl.c) module.
 
@@ -194,6 +193,7 @@ Examples using raylib shaders functionality, including shaders loading, paramete
 | [shaders_hot_reloading](shaders/shaders_hot_reloading.c) | <img src="shaders/shaders_hot_reloading.png" alt="shaders_hot_reloading" width="80"> | ⭐⭐⭐☆ | 3.0 | 3.5 | [Ramon Santamaria](https://github.com/raysan5) |
 | [shaders_mesh_instancing](shaders/shaders_mesh_instancing.c) | <img src="shaders/shaders_mesh_instancing.png" alt="shaders_mesh_instancing" width="80"> | ⭐⭐⭐⭐️ | 3.7 | 4.2 | [seanpringle](https://github.com/seanpringle) |
 | [shaders_multi_sample2d](shaders/shaders_multi_sample2d.c) | <img src="shaders/shaders_multi_sample2d.png" alt="shaders_multi_sample2d" width="80"> | ⭐⭐☆☆ | 3.5 | 3.5 | [Ramon Santamaria](https://github.com/raysan5) |
+| [shaders_normalmap](shaders/shaders_normalmap.c) | <img src="shaders/shaders_normalmap.png" alt="shaders_normalmap" width="80"> | ⭐⭐⭐⭐️ | 5.6 | 5.6 | [Jeremy Montgomery](https://github.com/Sir_Irk) |
 | [shaders_spotlight](shaders/shaders_spotlight.c) | <img src="shaders/shaders_spotlight.png" alt="shaders_spotlight" width="80"> | ⭐⭐☆☆ | 2.5 | 3.7 | [Chris Camacho](https://github.com/chriscamacho) |
 | [shaders_deferred_render](shaders/shaders_deferred_render.c) | <img src="shaders/shaders_deferred_render.png" alt="shaders_deferred_render" width="80"> | ⭐⭐⭐⭐️ | 4.5 | 4.5 | [Justin Andreas Lacoste](https://github.com/27justin) |
 | [shaders_hybrid_render](shaders/shaders_hybrid_render.c) | <img src="shaders/shaders_hybrid_render.png" alt="shaders_hybrid_render" width="80"> | ⭐⭐⭐⭐️ | 4.2 | 4.2 | [Buğra Alptekin Sarı](https://github.com/BugraAlptekinSari) |

examples/audio/audio_mixed_processor.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [audio] example - Mixed audio processing
+*   raylib [audio] example - mixed audio processing
 *
 *   Example complexity rating: [★★★★] 4/4
 *

examples/audio/audio_raw_stream.c

@@ -108,8 +108,6 @@ int main(void)
     {
         // Update
         //----------------------------------------------------------------------------------
-
-        // Sample mouse input.
         mousePosition = GetMousePosition();
 
         if (IsMouseButtonDown(MOUSE_BUTTON_LEFT))
@@ -125,7 +123,7 @@ int main(void)
         // Compute two cycles to allow the buffer padding, simplifying any modulation, resampling, etc.
         if (frequency != oldFrequency)
         {
-            // Compute wavelength. Limit size in both directions.
+            // Compute wavelength. Limit size in both directions
             //int oldWavelength = waveLength;
             waveLength = (int)(22050/frequency);
             if (waveLength > MAX_SAMPLES/2) waveLength = MAX_SAMPLES/2;

examples/audio/audio_sound_multi.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [audio] example - Playing sound multiple times
+*   raylib [audio] example - sound alias
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *
@@ -31,18 +31,18 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib [audio] example - playing sound multiple times");
+    InitWindow(screenWidth, screenHeight, "raylib [audio] example - sound alias");
 
     InitAudioDevice();      // Initialize audio device
 
-    // load the sound list
-    soundArray[0] = LoadSound("resources/sound.wav");         // Load WAV audio file into the first slot as the 'source' sound
-                                                              // this sound owns the sample data
-    for (int i = 1; i < MAX_SOUNDS; i++)
-    {
-        soundArray[i] = LoadSoundAlias(soundArray[0]);        // Load an alias of the sound into slots 1-9. These do not own the sound data, but can be played
-    }
-    currentSound = 0;                                         // set the sound list to the start
+    // Load audio file into the first slot as the 'source' sound,
+    // this sound owns the sample data
+    soundArray[0] = LoadSound("resources/sound.wav");
+
+    // Load an alias of the sound into slots 1-9. These do not own the sound data, but can be played
+    for (int i = 1; i < MAX_SOUNDS; i++) soundArray[i] = LoadSoundAlias(soundArray[0]);
+
+    currentSound = 0;               // Set the sound list to the start
 
     SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
@@ -54,14 +54,15 @@ int main(void)
         //----------------------------------------------------------------------------------
         if (IsKeyPressed(KEY_SPACE))
         {
-            PlaySound(soundArray[currentSound]);            // play the next open sound slot
-            currentSound++;                                 // increment the sound slot
-            if (currentSound >= MAX_SOUNDS)                 // if the sound slot is out of bounds, go back to 0
-                currentSound = 0;
+            PlaySound(soundArray[currentSound]);    // Play the next open sound slot
+            currentSound++;                         // Increment the sound slot
 
-            // Note: a better way would be to look at the list for the first sound that is not playing and use that slot
+            // If the sound slot is out of bounds, go back to 0
+            if (currentSound >= MAX_SOUNDS) currentSound = 0;
+
+            // NOTE: Another approach would be to look at the list for the first sound
+            // that is not playing and use that slot
         }
-
         //----------------------------------------------------------------------------------
 
         // Draw
@@ -78,9 +79,8 @@ int main(void)
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
-    for (int i = 1; i < MAX_SOUNDS; i++)
-        UnloadSoundAlias(soundArray[i]);     // Unload sound aliases
-    UnloadSound(soundArray[0]);              // Unload source sound data
+    for (int i = 1; i < MAX_SOUNDS; i++) UnloadSoundAlias(soundArray[i]); // Unload sound aliases
+    UnloadSound(soundArray[0]); // Unload source sound data
 
     CloseAudioDevice();     // Close audio device
 

examples/audio/audio_sound_positioning.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [audio] example - Playing spatialized 3D sound
+*   raylib [audio] example - spatialized 3D sound
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *
@@ -32,7 +32,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib [audio] example - Playing spatialized 3D sound");
+    InitWindow(screenWidth, screenHeight, "raylib [audio] example - spatialized 3D sound");
 
     InitAudioDevice();
 

examples/core/core_custom_frame_control.c

@@ -12,7 +12,7 @@
 *       4. PollInputEvents()
 *
 *   To avoid steps 2, 3 and 4, flag SUPPORT_CUSTOM_FRAME_CONTROL can be enabled in
-*   config.h (it requires recompiling raylib). This way those steps are up to the user.
+*   config.h (it requires recompiling raylib). This way those steps are up to the user
 *
 *   Note that enabling this flag invalidates some functions:
 *       - GetFrameTime()

examples/core/core_high_dpi.c

@@ -13,12 +13,10 @@
 
 #include "raylib.h"
 
-static void DrawTextCenter(const char *text, int x, int y, int fontSize, Color color)
-{
-    Vector2 size = MeasureTextEx(GetFontDefault(), text, (float)fontSize, 3);
-    Vector2 pos = (Vector2){x - size.x/2, y - size.y/2 };
-    DrawTextEx(GetFontDefault(), text, pos, (float)fontSize, 3, color);
-}
+//------------------------------------------------------------------------------------
+// Module functions declaration
+//------------------------------------------------------------------------------------
+static void DrawTextCenter(const char *text, int x, int y, int fontSize, Color color);
 
 //------------------------------------------------------------------------------------
 // Program main entry point
@@ -31,10 +29,20 @@ int main(void)
     const int screenHeight = 450;
 
     SetConfigFlags(FLAG_WINDOW_HIGHDPI | FLAG_WINDOW_RESIZABLE);
-
     InitWindow(screenWidth, screenHeight, "raylib [core] example - highdpi");
     SetWindowMinSize(450, 450);
 
+    int logicalGridDescY = 120;
+    int logicalGridLabelY = logicalGridDescY + 30;
+    int logicalGridTop = logicalGridLabelY + 30;
+    int logicalGridBottom = logicalGridTop + 80;
+    int pixelGridTop = logicalGridBottom - 20;
+    int pixelGridBottom = pixelGridTop + 80;
+    int pixelGridLabelY = pixelGridBottom + 30;
+    int pixelGridDescY = pixelGridLabelY + 30;
+    int cellSize = 50;
+    float cellSizePx = (float)cellSize;
+
     SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
 
@@ -44,67 +52,60 @@ int main(void)
         // Update
         //----------------------------------------------------------------------------------
         int monitorCount = GetMonitorCount();
-        if (monitorCount > 1 && IsKeyPressed(KEY_N)) {
-            SetWindowMonitor((GetCurrentMonitor() + 1) % monitorCount);
+
+        if ((monitorCount > 1) && IsKeyPressed(KEY_N))
+        {
+            SetWindowMonitor((GetCurrentMonitor() + 1)%monitorCount);
         }
+
         int currentMonitor = GetCurrentMonitor();
+        Vector2 dpiScale = GetWindowScaleDPI();
+        cellSizePx = ((float)cellSize)/dpiScale.x;
+        //----------------------------------------------------------------------------------
 
         // Draw
         //----------------------------------------------------------------------------------
         BeginDrawing();
 
-            Vector2 dpiScale = GetWindowScaleDPI();
             ClearBackground(RAYWHITE);
 
-            int windowCenter = GetScreenWidth() / 2;
+            int windowCenter = GetScreenWidth()/2;
             DrawTextCenter(TextFormat("Dpi Scale: %f", dpiScale.x), windowCenter, 30, 40, DARKGRAY);
-            DrawTextCenter(TextFormat("Monitor: %d/%d ([N] next monitor)", currentMonitor+1, monitorCount), windowCenter, 70, 16, LIGHTGRAY);
-
-            const int logicalGridDescY = 120;
-            const int logicalGridLabelY = logicalGridDescY + 30;
-            const int logicalGridTop = logicalGridLabelY + 30;
-            const int logicalGridBottom = logicalGridTop + 80;
-            const int pixelGridTop = logicalGridBottom - 20;
-            const int pixelGridBottom = pixelGridTop + 80;
-            const int pixelGridLabelY = pixelGridBottom + 30;
-            const int pixelGridDescY = pixelGridLabelY + 30;
-
-            const int cellSize = 50;
-            const float cellSizePx = ((float)cellSize) / dpiScale.x;
-
+            DrawTextCenter(TextFormat("Monitor: %d/%d ([N] next monitor)", currentMonitor+1, monitorCount), windowCenter, 70, 20, LIGHTGRAY);
             DrawTextCenter(TextFormat("Window is %d \"logical points\" wide", GetScreenWidth()), windowCenter, logicalGridDescY, 20, ORANGE);
+
             bool odd = true;
-            for (int i = cellSize; i < GetScreenWidth(); i += cellSize, odd = !odd) {
-                if (odd) {
-                    DrawRectangle(i, logicalGridTop, cellSize, logicalGridBottom-logicalGridTop, ORANGE);
-                }
-                DrawTextCenter(TextFormat("%d", i), i, logicalGridLabelY, 12, LIGHTGRAY);
+            for (int i = cellSize; i < GetScreenWidth(); i += cellSize, odd = !odd)
+            {
+                if (odd) DrawRectangle(i, logicalGridTop, cellSize, logicalGridBottom-logicalGridTop, ORANGE);
+
+                DrawTextCenter(TextFormat("%d", i), i, logicalGridLabelY, 10, LIGHTGRAY);
                 DrawLine(i, logicalGridLabelY + 10, i, logicalGridBottom, GRAY);
             }
 
             odd = true;
             const int minTextSpace = 30;
-            int last_text_x = -minTextSpace;
-            for (int i = cellSize; i < GetRenderWidth(); i += cellSize, odd = !odd) {
-                int x = (int)(((float)i) / dpiScale.x);
-                if (odd) {
-                    DrawRectangle(x, pixelGridTop, (int)cellSizePx, pixelGridBottom-pixelGridTop, CLITERAL(Color){ 0, 121, 241, 100 });
-                }
+            int lastTextX = -minTextSpace;
+            for (int i = cellSize; i < GetRenderWidth(); i += cellSize, odd = !odd)
+            {
+                int x = (int)(((float)i)/dpiScale.x);
+                if (odd) DrawRectangle(x, pixelGridTop, (int)cellSizePx, pixelGridBottom - pixelGridTop, CLITERAL(Color){ 0, 121, 241, 100 });
+
                 DrawLine(x, pixelGridTop, (int)(((float)i) / dpiScale.x), pixelGridLabelY - 10, GRAY);
-                if (x - last_text_x >= minTextSpace) {
-                    DrawTextCenter(TextFormat("%d", i), x, pixelGridLabelY, 12, LIGHTGRAY);
-                    last_text_x = x;
+
+                if ((x - lastTextX) >= minTextSpace)
+                {
+                    DrawTextCenter(TextFormat("%d", i), x, pixelGridLabelY, 10, LIGHTGRAY);
+                    lastTextX = x;
                 }
             }
 
             DrawTextCenter(TextFormat("Window is %d \"physical pixels\" wide", GetRenderWidth()), windowCenter, pixelGridDescY, 20, BLUE);
 
-            {
-                const char *text = "Can you see this?";
-                Vector2 size = MeasureTextEx(GetFontDefault(), text, 16, 3);
-                Vector2 pos = (Vector2){GetScreenWidth() - size.x - 5, GetScreenHeight() - size.y - 5};
-                DrawTextEx(GetFontDefault(), text, pos, 16, 3, LIGHTGRAY);
-            }
+            const char *text = "Can you see this?";
+            Vector2 size = MeasureTextEx(GetFontDefault(), text, 20, 3);
+            Vector2 pos = (Vector2){ GetScreenWidth() - size.x - 5, GetScreenHeight() - size.y - 5 };
+            DrawTextEx(GetFontDefault(), text, pos, 20, 3, LIGHTGRAY);
 
         EndDrawing();
         //----------------------------------------------------------------------------------
@@ -117,3 +118,13 @@ int main(void)
 
     return 0;
 }
+
+//------------------------------------------------------------------------------------
+// Module functions definition
+//------------------------------------------------------------------------------------
+static void DrawTextCenter(const char *text, int x, int y, int fontSize, Color color)
+{
+    Vector2 size = MeasureTextEx(GetFontDefault(), text, (float)fontSize, 3);
+    Vector2 pos = (Vector2){ x - size.x/2, y - size.y/2 };
+    DrawTextEx(GetFontDefault(), text, pos, (float)fontSize, 3, color);
+}

examples/core/core_random_sequence.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [core] example - Generates a random sequence
+*   raylib [core] example - generate random sequence
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *
@@ -43,7 +43,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib [core] example - Generates a random sequence");
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - generate random sequence");
 
     int rectCount = 20;
     float rectSize = (float)screenWidth/rectCount;

examples/core/core_smooth_pixelperfect.c

@@ -43,7 +43,8 @@ int main(void)
     Camera2D screenSpaceCamera = { 0 }; // Smoothing camera
     screenSpaceCamera.zoom = 1.0f;
 
-    RenderTexture2D target = LoadRenderTexture(virtualScreenWidth, virtualScreenHeight); // This is where we'll draw all our objects.
+    // Load render texture to draw all our objects
+    RenderTexture2D target = LoadRenderTexture(virtualScreenWidth, virtualScreenHeight);
 
     Rectangle rec01 = { 70.0f, 35.0f, 20.0f, 20.0f };
     Rectangle rec02 = { 90.0f, 55.0f, 30.0f, 10.0f };

examples/core/resources/shaders/glsl120/distortion.fs

@@ -0,0 +1,50 @@
+#version 120
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+// NOTE: Add your custom variables here
+uniform vec2 leftLensCenter;
+uniform vec2 rightLensCenter;
+uniform vec2 leftScreenCenter;
+uniform vec2 rightScreenCenter;
+uniform vec2 scale;
+uniform vec2 scaleIn;
+uniform vec4 deviceWarpParam;
+uniform vec4 chromaAbParam;
+
+void main()
+{
+    // Compute lens distortion
+    vec2 lensCenter = fragTexCoord.x < 0.5? leftLensCenter : rightLensCenter;
+    vec2 screenCenter = fragTexCoord.x < 0.5? leftScreenCenter : rightScreenCenter;
+    vec2 theta = (fragTexCoord - lensCenter)*scaleIn;
+    float rSq = theta.x*theta.x + theta.y*theta.y;
+    vec2 theta1 = theta*(deviceWarpParam.x + deviceWarpParam.y*rSq + deviceWarpParam.z*rSq*rSq + deviceWarpParam.w*rSq*rSq*rSq);
+    vec2 thetaBlue = theta1*(chromaAbParam.z + chromaAbParam.w*rSq);
+    vec2 tcBlue = lensCenter + scale*thetaBlue;
+
+    if (any(bvec2(clamp(tcBlue, screenCenter - vec2(0.25, 0.5), screenCenter + vec2(0.25, 0.5)) - tcBlue)))
+    {
+        // Set black fragment for everything outside the lens border
+        gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);
+    }
+    else
+    {
+        // Compute color chroma aberration
+        float blue = texture2D(texture0, tcBlue).b;
+        vec2 tcGreen = lensCenter + scale*theta1;
+        float green = texture2D(texture0, tcGreen).g;
+
+        vec2 thetaRed = theta1*(chromaAbParam.x + chromaAbParam.y*rSq);
+        vec2 tcRed = lensCenter + scale*thetaRed;
+
+        float red = texture2D(texture0, tcRed).r;
+        gl_FragColor = vec4(red, green, blue, 1.0);
+    }
+}

examples/examples_list.txt

@@ -141,6 +141,7 @@ shaders;shaders_simple_mask;⭐️⭐️☆☆;2.5;3.7;"Chris Camacho";@chriscam
 shaders;shaders_hot_reloading;⭐️⭐️⭐️☆;3.0;3.5;"Ramon Santamaria";@raysan5
 shaders;shaders_mesh_instancing;⭐️⭐️⭐️⭐️;3.7;4.2;"seanpringle";@seanpringle
 shaders;shaders_multi_sample2d;⭐️⭐️☆☆;3.5;3.5;"Ramon Santamaria";@raysan5
+shaders;shaders_normalmap;⭐️⭐️⭐️⭐️;5.6;5.6;"Jeremy Montgomery";@Sir_Irk
 shaders;shaders_spotlight;⭐️⭐️☆☆;2.5;3.7;"Chris Camacho";@chriscamacho
 shaders;shaders_deferred_render;⭐️⭐️⭐️⭐️;4.5;4.5;"Justin Andreas Lacoste";@27justin
 shaders;shaders_hybrid_render;⭐️⭐️⭐️⭐️;4.2;4.2;"Buğra Alptekin Sarı";@BugraAlptekinSari

examples/examples_template.c

@@ -6,30 +6,30 @@
 
     1. File naming: <module>_<description> - Lower case filename, words separated by underscore,
        no more than 3-4 words in total to describe the example. <module> referes to the primary
-       raylib module the example is more related with (code, shapes, textures, models, shaders, raudio).
+       raylib module the example is more related with (code, shapes, textures, models, shaders, raudio)
        i.e: core_input_multitouch, shapes_lines_bezier, shaders_palette_switch
 
     2. Follow below template structure, example info should list the module, the short description
-       and the author of the example, twitter or github info could be also provided for the author.
-       Short description should also be used on the title of the window.
+       and the author of the example, twitter or github info could be also provided for the author
+       Short description should also be used on the title of the window
 
     3. Code should be organized by sections:[Initialization]- [Update] - [Draw] - [De-Initialization]
        Place your code between the dotted lines for every section, please don't mix update logic with drawing
-       and remember to unload all loaded resources.
+       and remember to unload all loaded resources
 
     4. Code should follow raylib conventions: https://github.com/raysan5/raylib/wiki/raylib-coding-conventions
-       Try to be very organized, using line-breaks appropiately.
+       Try to be very organized, using line-breaks appropiately
 
-    5. Add comments to the specific parts of code the example is focus on.
-       Don't abuse with comments, try to be clear and impersonal on the comments.
+    5. Add comments to the specific parts of code the example is focus on
+       Don't abuse with comments, try to be clear and impersonal on the comments
 
-    6. Try to keep the example simple, under 300 code lines if possible. Try to avoid external dependencies.
-       Try to avoid defining functions outside the main(). Example should be as self-contained as possible.
+    6. Try to keep the example simple, under 300 code lines if possible. Try to avoid external dependencies
+       Try to avoid defining functions outside the main(). Example should be as self-contained as possible
 
     7. About external resources, they should be placed in a [resources] folder and those resources
-       should be open and free for use and distribution. Avoid propietary content.
+       should be open and free for use and distribution. Avoid propietary content
 
-    8. Try to keep the example simple but with a creative touch.
+    8. Try to keep the example simple but with a creative touch
        Simple but beautiful examples are more appealing to users!
 
     9. In case of additional information is required, just come to raylib Discord channel: example-contributions
@@ -37,7 +37,7 @@
     10. Have fun!
 
     The following files should be updated when adding a new example, it's planned to create some
-    script to automatize this process but not available yet.
+    script to automatize this process but not available yet
 
      - raylib/examples/<category>/<category>_example_name.c
      - raylib/examples/<category>/<category>_example_name.png
@@ -56,7 +56,7 @@
 
 /*******************************************************************************************
 *
-*   raylib [<module>] example - <name>
+*   raylib [<module>] example - <name/short description>
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *

examples/models/models_animation.c

@@ -17,7 +17,7 @@
 *
 *   NOTE: To export a model from blender, make sure it is not posed, the vertices need to be
 *         in the same position as they would be in edit mode and the scale of your models is
-*         set to 0. Scaling can be done from the export menu.
+*         set to 0. Scaling can be done from the export menu
 *
 ********************************************************************************************/
 

examples/models/models_billboard.c

@@ -40,7 +40,7 @@ int main(void)
     Vector3 billPositionStatic = { 0.0f, 2.0f, 0.0f };          // Position of static billboard
     Vector3 billPositionRotating = { 1.0f, 2.0f, 1.0f };        // Position of rotating billboard
 
-    // Entire billboard texture, source is used to take a segment from a larger texture.
+    // Entire billboard texture, source is used to take a segment from a larger texture
     Rectangle source = { 0.0f, 0.0f, (float)bill.width, (float)bill.height };
 
     // NOTE: Billboard locked on axis-Y
@@ -54,7 +54,7 @@ int main(void)
     Vector2 origin = Vector2Scale(size, 0.5f);
 
     // Distance is needed for the correct billboard draw order
-    // Larger distance (further away from the camera) should be drawn prior to smaller distance.
+    // Larger distance (further away from the camera) should be drawn prior to smaller distance
     float distanceStatic;
     float distanceRotating;
     float rotation = 0.0f;

examples/models/models_loading.c

@@ -7,11 +7,11 @@
 *   NOTE: raylib supports multiple models file formats:
 *
 *     - OBJ  > Text file format. Must include vertex position-texcoords-normals information,
-*              if files references some .mtl materials file, it will be loaded (or try to).
+*              if files references some .mtl materials file, it will be loaded (or try to)
 *     - GLTF > Text/binary file format. Includes lot of information and it could
-*              also reference external files, raylib will try loading mesh and materials data.
+*              also reference external files, raylib will try loading mesh and materials data
 *     - IQM  > Binary file format. Includes mesh vertex data but also animation data,
-*              raylib can load .iqm animations.
+*              raylib can load .iqm animations
 *     - VOX  > Binary file format. MagikaVoxel mesh format:
 *              https://github.com/ephtracy/voxel-model/blob/master/MagicaVoxel-file-format-vox.txt
 *     - M3D  > Binary file format. Model 3D format:

examples/models/models_loading_m3d.c

@@ -119,7 +119,7 @@ int main(void)
                     // without a -1, we would always draw a cube at the origin
                     for (int i = 0; i < model.boneCount - 1; i++)
                     {
-                        // By default the model is loaded in bind-pose by LoadModel().
+                        // By default the model is loaded in bind-pose by LoadModel()
                         // But if UpdateModelAnimation() has been called at least once
                         // then the model is already in animation pose, so we need the animated skeleton
                         if (!animPlaying || !animsCount)

examples/models/models_loading_vox.c

@@ -40,7 +40,7 @@ int main(void)
 	const int screenWidth = 800;
 	const int screenHeight = 450;
 
-	const char* voxFileNames[] = {
+	const char *voxFileNames[] = {
 		"resources/models/vox/chr_knight.vox",
 		"resources/models/vox/chr_sword.vox",
 		"resources/models/vox/monu9.vox",
@@ -57,24 +57,23 @@ int main(void)
 	camera.fovy = 45.0f;                                // Camera field-of-view Y
 	camera.projection = CAMERA_PERSPECTIVE;             // Camera projection type
 
-	//--------------------------------------------------------------------------------------
 	// Load MagicaVoxel files
 	Model models[MAX_VOX_FILES] = { 0 };
 
 	for (int i = 0; i < MAX_VOX_FILES; i++)
 	{
 		// Load VOX file and measure time
-		double t0 = GetTime() * 1000.0;
+		double t0 = GetTime()*1000.0;
 		models[i] = LoadModel(voxFileNames[i]);
-		double t1 = GetTime() * 1000.0;
+		double t1 = GetTime()*1000.0;
 
 		TraceLog(LOG_WARNING, TextFormat("[%s] File loaded in %.3f ms", voxFileNames[i], t1 - t0));
 
 		// Compute model translation matrix to center model on draw position (0, 0 , 0)
 		BoundingBox bb = GetModelBoundingBox(models[i]);
 		Vector3 center = { 0 };
-		center.x = bb.min.x + (((bb.max.x - bb.min.x) / 2));
-		center.z = bb.min.z + (((bb.max.z - bb.min.z) / 2));
+		center.x = bb.min.x + (((bb.max.x - bb.min.x)/2));
+		center.z = bb.min.z + (((bb.max.z - bb.min.z)/2));
 
 		Matrix matTranslate = MatrixTranslate(-center.x, 0, -center.z);
 		models[i].transform = matTranslate;
@@ -82,7 +81,6 @@ int main(void)
 
 	int currentModel = 0;
 
-	//--------------------------------------------------------------------------------------
 	// Load voxel shader
 	Shader shader = LoadShader(TextFormat("resources/shaders/glsl%i/voxel_lighting.vs", GLSL_VERSION),
 		TextFormat("resources/shaders/glsl%i/voxel_lighting.fs", GLSL_VERSION));

examples/models/models_rlgl_solar_system.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [models] example - rlgl module usage with push/pop matrix transformations
+*   raylib [models] example - rlgl solar system
 *
 *   Example complexity rating: [★★★★] 4/4
 *
@@ -41,7 +41,7 @@ int main(void)
     const float moonRadius = 0.16f;
     const float moonOrbitRadius = 1.5f;
 
-    InitWindow(screenWidth, screenHeight, "raylib [models] example - rlgl module usage with push/pop matrix transformations");
+    InitWindow(screenWidth, screenHeight, "raylib [models] example - rlgl solar system");
 
     // Define the camera to look into our 3d world
     Camera camera = { 0 };

examples/models/resources/shaders/glsl120/cubemap.fs

@@ -0,0 +1,27 @@
+#version 120
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+
+// Input uniform values
+uniform sampler2D equirectangularMap;
+
+vec2 SampleSphericalMap(vec3 v)
+{
+    vec2 uv = vec2(atan(v.z, v.x), asin(v.y));
+    uv *= vec2(0.1591, 0.3183);
+    uv += 0.5;
+    return uv;
+}
+
+void main()
+{
+    // Normalize local position
+    vec2 uv = SampleSphericalMap(normalize(fragPosition));
+
+    // Fetch color from texture map
+    vec3 color = texture2D(equirectangularMap, uv).rgb;
+
+    // Calculate final fragment color
+    gl_FragColor = vec4(color, 1.0);
+}

examples/models/resources/shaders/glsl120/cubemap.vs

@@ -0,0 +1,20 @@
+#version 120
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Calculate final vertex position
+    gl_Position = matProjection*matView*vec4(vertexPosition, 1.0);
+}

examples/models/resources/shaders/glsl120/skinning.fs

@@ -0,0 +1,18 @@
+#version 120
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+void main()
+{
+    // Fetch color from texture sampler
+    vec4 texelColor = texture2D(texture0, fragTexCoord);
+    
+    // Calculate final fragment color
+    gl_FragColor = texelColor*colDiffuse*fragColor;
+}

examples/models/resources/shaders/glsl120/skinning.vs

@@ -0,0 +1,59 @@
+#version 120
+
+#define MAX_BONE_NUM 64
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+attribute vec2 vertexTexCoord;
+attribute vec4 vertexColor;
+attribute vec4 vertexBoneIds;
+attribute vec4 vertexBoneWeights;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 boneMatrices[MAX_BONE_NUM];
+
+// Output vertex attributes (to fragment shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+void main()
+{
+    int boneIndex0 = int(vertexBoneIds.x);
+    int boneIndex1 = int(vertexBoneIds.y);
+    int boneIndex2 = int(vertexBoneIds.z);
+    int boneIndex3 = int(vertexBoneIds.w);
+    
+    // WARNING: OpenGL ES 2.0 does not support automatic matrix transposing, neither transpose() function
+    mat4 boneMatrixTransposed0 = mat4(
+        vec4(boneMatrices[boneIndex0][0].x, boneMatrices[boneIndex0][1].x, boneMatrices[boneIndex0][2].x, boneMatrices[boneIndex0][3].x),
+        vec4(boneMatrices[boneIndex0][0].y, boneMatrices[boneIndex0][1].y, boneMatrices[boneIndex0][2].y, boneMatrices[boneIndex0][3].y),
+        vec4(boneMatrices[boneIndex0][0].z, boneMatrices[boneIndex0][1].z, boneMatrices[boneIndex0][2].z, boneMatrices[boneIndex0][3].z),
+        vec4(boneMatrices[boneIndex0][0].w, boneMatrices[boneIndex0][1].w, boneMatrices[boneIndex0][2].w, boneMatrices[boneIndex0][3].w));
+    mat4 boneMatrixTransposed1 = mat4(
+        vec4(boneMatrices[boneIndex1][0].x, boneMatrices[boneIndex1][1].x, boneMatrices[boneIndex1][2].x, boneMatrices[boneIndex1][3].x),
+        vec4(boneMatrices[boneIndex1][0].y, boneMatrices[boneIndex1][1].y, boneMatrices[boneIndex1][2].y, boneMatrices[boneIndex1][3].y),
+        vec4(boneMatrices[boneIndex1][0].z, boneMatrices[boneIndex1][1].z, boneMatrices[boneIndex1][2].z, boneMatrices[boneIndex1][3].z),
+        vec4(boneMatrices[boneIndex1][0].w, boneMatrices[boneIndex1][1].w, boneMatrices[boneIndex1][2].w, boneMatrices[boneIndex1][3].w));
+    mat4 boneMatrixTransposed2 = mat4(
+        vec4(boneMatrices[boneIndex2][0].x, boneMatrices[boneIndex2][1].x, boneMatrices[boneIndex2][2].x, boneMatrices[boneIndex2][3].x),
+        vec4(boneMatrices[boneIndex2][0].y, boneMatrices[boneIndex2][1].y, boneMatrices[boneIndex2][2].y, boneMatrices[boneIndex2][3].y),
+        vec4(boneMatrices[boneIndex2][0].z, boneMatrices[boneIndex2][1].z, boneMatrices[boneIndex2][2].z, boneMatrices[boneIndex2][3].z),
+        vec4(boneMatrices[boneIndex2][0].w, boneMatrices[boneIndex2][1].w, boneMatrices[boneIndex2][2].w, boneMatrices[boneIndex2][3].w));
+    mat4 boneMatrixTransposed3 = mat4(
+        vec4(boneMatrices[boneIndex3][0].x, boneMatrices[boneIndex3][1].x, boneMatrices[boneIndex3][2].x, boneMatrices[boneIndex3][3].x),
+        vec4(boneMatrices[boneIndex3][0].y, boneMatrices[boneIndex3][1].y, boneMatrices[boneIndex3][2].y, boneMatrices[boneIndex3][3].y),
+        vec4(boneMatrices[boneIndex3][0].z, boneMatrices[boneIndex3][1].z, boneMatrices[boneIndex3][2].z, boneMatrices[boneIndex3][3].z),
+        vec4(boneMatrices[boneIndex3][0].w, boneMatrices[boneIndex3][1].w, boneMatrices[boneIndex3][2].w, boneMatrices[boneIndex3][3].w));
+    
+    vec4 skinnedPosition =
+        vertexBoneWeights.x*(boneMatrixTransposed0*vec4(vertexPosition, 1.0)) +
+        vertexBoneWeights.y*(boneMatrixTransposed1*vec4(vertexPosition, 1.0)) + 
+        vertexBoneWeights.z*(boneMatrixTransposed2*vec4(vertexPosition, 1.0)) + 
+        vertexBoneWeights.w*(boneMatrixTransposed3*vec4(vertexPosition, 1.0));
+    
+    fragTexCoord = vertexTexCoord;
+    fragColor = vertexColor;
+
+    gl_Position = mvp*skinnedPosition;
+}

examples/models/resources/shaders/glsl120/skybox.fs

@@ -0,0 +1,29 @@
+#version 120
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+
+// Input uniform values
+uniform samplerCube environmentMap;
+uniform bool vflipped;
+uniform bool doGamma;
+
+void main()
+{
+    // Fetch color from texture map
+    vec4 texelColor = vec4(0.0);
+
+    if (vflipped) texelColor = textureCube(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z));
+    else texelColor = textureCube(environmentMap, fragPosition);
+
+    vec3 color = vec3(texelColor.x, texelColor.y, texelColor.z);
+
+    if (doGamma) // Apply gamma correction
+    {
+        color = color/(color + vec3(1.0));
+        color = pow(color, vec3(1.0/2.2));
+    }
+
+    // Calculate final fragment color
+    gl_FragColor = vec4(color, 1.0);
+}

examples/models/resources/shaders/glsl120/skybox.vs

@@ -0,0 +1,24 @@
+#version 120
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Remove translation from the view matrix
+    mat4 rotView = mat4(mat3(matView));
+    vec4 clipPos = matProjection*rotView*vec4(vertexPosition, 1.0);
+
+    // Calculate final vertex position
+    gl_Position = clipPos;
+}

examples/others/easings_testbed.c

@@ -221,10 +221,12 @@ int main(void)
 }
 
 
-// NoEase function, used when "no easing" is selected for any axis. It just ignores all parameters besides b.
+// NoEase function, used when "no easing" is selected for any axis 
+// It just ignores all parameters besides b
 static float NoEase(float t, float b, float c, float d)
 {
-    float burn = t + b + c + d;  // Hack to avoid compiler warning (about unused variables)
+    // Hack to avoid compiler warning (about unused variables)
+    float burn = t + b + c + d;
     d += burn;
 
     return b;

examples/others/raylib_opengl_interop.c

@@ -16,13 +16,13 @@
 ********************************************************************************************
 *
 *   Mixes raylib and plain OpenGL code to draw a GL_POINTS based particle system. The
-*   primary point is to demonstrate raylib and OpenGL interop.
+*   primary point is to demonstrate raylib and OpenGL interop
 *
 *   rlgl batched draw operations internally so we have to flush the current batch before
-*   doing our own OpenGL work (rlDrawRenderBatchActive()).
+*   doing our own OpenGL work (rlDrawRenderBatchActive())
 *
 *   The example also demonstrates how to get the current model view projection matrix of
-*   raylib. That way raylib cameras and so on work as expected.
+*   raylib. That way raylib cameras and so on work as expected
 *
 ********************************************************************************************/
 
@@ -71,7 +71,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib - point particles");
+    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - point particles");
 
     Shader shader = LoadShader(TextFormat("resources/shaders/glsl%i/point_particle.vs", GLSL_VERSION),
                                TextFormat("resources/shaders/glsl%i/point_particle.fs", GLSL_VERSION));
@@ -87,13 +87,13 @@ int main(void)
         particles[i].x = (float)GetRandomValue(20, screenWidth - 20);
         particles[i].y = (float)GetRandomValue(50, screenHeight - 20);
 
-        // Give each particle a slightly different period. But don't spread it to much. 
-        // This way the particles line up every so often and you get a glimps of what is going on.
+        // Give each particle a slightly different period. But don't spread it to much
+        // This way the particles line up every so often and you get a glimps of what is going on
         particles[i].period = (float)GetRandomValue(10, 30)/10.0f;
     }
 
     // Create a plain OpenGL vertex buffer with the data and an vertex array object
-    // that feeds the data from the buffer into the vertexPosition shader attribute.
+    // that feeds the data from the buffer into the vertexPosition shader attribute
     GLuint vao = 0;
     GLuint vbo = 0;
     glGenVertexArrays(1, &vao);

examples/others/rlgl_compute_shader.c

@@ -23,11 +23,11 @@
 
 #include <stdlib.h>
 
-// IMPORTANT: This must match gol*.glsl GOL_WIDTH constant.
-// This must be a multiple of 16 (check golLogic compute dispatch).
+// IMPORTANT: This must match gol*.glsl GOL_WIDTH constant
+// This must be a multiple of 16 (check golLogic compute dispatch)
 #define GOL_WIDTH 768
 
-// Maximum amount of queued draw commands (squares draw from mouse down events).
+// Maximum amount of queued draw commands (squares draw from mouse down events)
 #define MAX_BUFFERED_TRANSFERTS 48
 
 // Game Of Life Update Command
@@ -51,9 +51,12 @@ int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    InitWindow(GOL_WIDTH, GOL_WIDTH, "raylib [rlgl] example - compute shader - game of life");
+    const int screenWidth = GOL_WIDTH;
+    const int screenHeight = GOL_WIDTH;
 
-    const Vector2 resolution = { GOL_WIDTH, GOL_WIDTH };
+    InitWindow(screenWidth, screenHeight, "raylib [rlgl] example - compute shader - game of life");
+
+    const Vector2 resolution = { screenWidth, screenHeight };
     unsigned int brushSize = 8;
 
     // Game of Life logic compute shader
@@ -157,7 +160,7 @@ int main(void)
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
-    // Unload shader buffers objects.
+    // Unload shader buffers objects
     rlUnloadShaderBuffer(ssboA);
     rlUnloadShaderBuffer(ssboB);
     rlUnloadShaderBuffer(ssboTransfert);

examples/others/rlgl_standalone.c

@@ -9,7 +9,7 @@
 *
 *   Example originally created with raylib 1.6, last time updated with raylib 4.0
 *
-*   WARNING: This example is intended only for PLATFORM_DESKTOP and OpenGL 3.3 Core profile.
+*   WARNING: This example is intended only for PLATFORM_DESKTOP and OpenGL 3.3 Core profile
 *       It could work on other platforms if redesigned for those platforms (out-of-scope)
 *
 *   DEPENDENCIES:
@@ -48,7 +48,7 @@
 *     2. Altered source versions must be plainly marked as such, and must not be misrepresented
 *     as being the original software.
 *
-*     3. This notice may not be removed or altered from any source distribution.
+*     3. This notice may not be removed or altered from any source distribution
 *
 ********************************************************************************************/
 

examples/shaders/resources/shaders/glsl100/normalmap.fs

@@ -0,0 +1,64 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+varying vec2 fragTexCoord;
+varying vec3 fragNormal; //used for when normal mapping is toggled off
+varying vec4 fragColor;
+varying mat3 TBN;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform sampler2D normalMap;
+uniform vec4 colDiffuse;
+uniform vec3 viewPos;
+
+// NOTE: Add your custom variables here
+
+uniform vec3 lightPos;
+uniform bool useNormalMap;
+uniform float specularExponent;
+
+void main()
+{
+    vec4 texelColor = texture(texture0, vec2(fragTexCoord.x, fragTexCoord.y));
+    vec3 specular = vec3(0.0);
+    vec3 viewDir = normalize(viewPos - fragPosition);
+    vec3 lightDir = normalize(lightPos - fragPosition);
+
+    vec3 normal;
+    if (useNormalMap)
+    {
+        normal = texture(normalMap, vec2(fragTexCoord.x, fragTexCoord.y)).rgb;
+
+        //Transform normal values to the range -1.0 ... 1.0
+        normal = normalize(normal * 2.0 - 1.0);
+
+        //Transform the normal from tangent-space to world-space for lighting calculation
+        normal = normalize(normal * TBN);
+    }
+    else
+    {
+        normal = normalize(fragNormal);
+    }
+
+    vec4 tint = colDiffuse * fragColor;
+
+    vec3 lightColor = vec3(1.0, 1.0, 1.0);
+    float NdotL = max(dot(normal, lightDir), 0.0);
+    vec3 lightDot = lightColor * NdotL;
+
+    float specCo = 0.0;
+
+    if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewDir, reflect(-lightDir, normal))), specularExponent); // 16 refers to shine
+
+    specular += specCo;
+
+    finalColor = (texelColor * ((tint + vec4(specular, 1.0)) * vec4(lightDot, 1.0)));
+    finalColor += texelColor * (vec4(1.0, 1.0, 1.0, 1.0) / 40.0) * tint;
+
+    // Gamma correction
+    gl_FragColor = pow(finalColor, vec4(1.0 / 2.2));
+}

examples/shaders/resources/shaders/glsl100/normalmap.vs

@@ -0,0 +1,76 @@
+#version 100
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+attribute vec2 vertexTexCoord;
+attribute vec3 vertexNormal;
+attribute vec4 vertexTangent;
+attribute vec4 vertexColor;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 matModel;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+varying vec2 fragTexCoord;
+varying vec3 fragNormal; //used for when normal mapping is toggled off
+varying vec4 fragColor;
+varying mat3 TBN;
+
+// NOTE: Add your custom variables here
+
+// https://github.com/glslify/glsl-inverse
+mat3 inverse(mat3 m)
+{
+    float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2];
+    float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2];
+    float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2];
+
+    float b01 = a22 * a11 - a12 * a21;
+    float b11 = -a22 * a10 + a12 * a20;
+    float b21 = a21 * a10 - a11 * a20;
+
+    float det = a00 * b01 + a01 * b11 + a02 * b21;
+
+    return mat3(b01, (-a22 * a01 + a02 * a21), (a12 * a01 - a02 * a11),
+        b11, (a22 * a00 - a02 * a20), (-a12 * a00 + a02 * a10),
+        b21, (-a21 * a00 + a01 * a20), (a11 * a00 - a01 * a10)) / det;
+}
+
+// https://github.com/glslify/glsl-transpose
+mat3 transpose(mat3 m)
+{
+    return mat3(m[0][0], m[1][0], m[2][0],
+        m[0][1], m[1][1], m[2][1],
+        m[0][2], m[1][2], m[2][2]);
+}
+
+void main()
+{
+    // Compute binormal from vertex normal and tangent. W component is the tangent handedness
+    vec3 vertexBinormal = cross(vertexNormal, vertexTangent.xyz) * vertexTangent.w;
+
+    // Compute fragment normal based on normal transformations
+    mat3 normalMatrix = transpose(inverse(mat3(matModel)));
+
+    // Compute fragment position based on model transformations
+    fragPosition = vec3(matModel * vec4(vertexPosition, 1.0));
+
+    //Create TBN matrix for transforming the normal map values from tangent-space to world-space
+    fragNormal = normalize(normalMatrix * vertexNormal);
+
+    vec3 fragTangent = normalize(normalMatrix * vertexTangent.xyz);
+    fragTangent = normalize(fragTangent - dot(fragTangent, fragNormal) * fragNormal);
+
+    vec3 fragBinormal = normalize(normalMatrix * vertexBinormal);
+    fragBinormal = cross(fragNormal, fragTangent);
+
+    TBN = transpose(mat3(fragTangent, fragBinormal, fragNormal));
+
+    fragColor = vertexColor;
+
+    fragTexCoord = vertexTexCoord;
+
+    gl_Position = mvp * vec4(vertexPosition, 1.0);
+}

examples/shaders/resources/shaders/glsl120/depth.fs

@@ -0,0 +1,28 @@
+#version 120
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+
+// Input uniform values
+uniform sampler2D depthTexture;
+uniform bool flipY;
+
+float nearPlane = 0.1;
+float farPlane = 100.0;
+
+void main()
+{
+    // Handle potential Y-flipping
+    vec2 texCoord = fragTexCoord;
+    if (flipY)
+        texCoord.y = 1.0 - texCoord.y;
+
+    // Sample depth texture
+    float depth = texture2D(depthTexture, texCoord).r;
+
+    // Linearize depth
+    float linearDepth = (2.0*nearPlane)/(farPlane + nearPlane - depth*(farPlane - nearPlane));
+
+    // Output final color
+    gl_FragColor = vec4(vec3(linearDepth), 1.0);
+}

examples/shaders/resources/shaders/glsl120/normalmap.fs

@@ -0,0 +1,62 @@
+#version 120
+
+// Input vertex attributes (from vertex shader)
+varying vec3 fragPosition;
+varying vec2 fragTexCoord;
+varying vec3 fragNormal; //used for when normal mapping is toggled off
+varying vec4 fragColor;
+varying mat3 TBN;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform sampler2D normalMap;
+uniform vec4 colDiffuse;
+uniform vec3 viewPos;
+
+// NOTE: Add your custom variables here
+
+uniform vec3 lightPos;
+uniform bool useNormalMap;
+uniform float specularExponent;
+
+void main()
+{
+    vec4 texelColor = texture(texture0, vec2(fragTexCoord.x, fragTexCoord.y));
+    vec3 specular = vec3(0.0);
+    vec3 viewDir = normalize(viewPos - fragPosition);
+    vec3 lightDir = normalize(lightPos - fragPosition);
+
+    vec3 normal;
+    if (useNormalMap)
+    {
+        normal = texture(normalMap, vec2(fragTexCoord.x, fragTexCoord.y)).rgb;
+
+        //Transform normal values to the range -1.0 ... 1.0
+        normal = normalize(normal * 2.0 - 1.0);
+
+        //Transform the normal from tangent-space to world-space for lighting calculation
+        normal = normalize(normal * TBN);
+    }
+    else
+    {
+        normal = normalize(fragNormal);
+    }
+
+    vec4 tint = colDiffuse * fragColor;
+
+    vec3 lightColor = vec3(1.0, 1.0, 1.0);
+    float NdotL = max(dot(normal, lightDir), 0.0);
+    vec3 lightDot = lightColor * NdotL;
+
+    float specCo = 0.0;
+
+    if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewDir, reflect(-lightDir, normal))), specularExponent); // 16 refers to shine
+
+    specular += specCo;
+
+    finalColor = (texelColor * ((tint + vec4(specular, 1.0)) * vec4(lightDot, 1.0)));
+    finalColor += texelColor * (vec4(1.0, 1.0, 1.0, 1.0) / 40.0) * tint;
+
+    // Gamma correction
+    gl_FragColor = pow(finalColor, vec4(1.0 / 2.2));
+}

examples/shaders/resources/shaders/glsl120/normalmap.vs

@@ -0,0 +1,76 @@
+#version 120
+
+// Input vertex attributes
+attribute vec3 vertexPosition;
+attribute vec2 vertexTexCoord;
+attribute vec3 vertexNormal;
+attribute vec4 vertexTangent;
+attribute vec4 vertexColor;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 matModel;
+
+// Output vertex attributes (to fragment shader)
+varying vec3 fragPosition;
+varying vec2 fragTexCoord;
+varying vec3 fragNormal; //used for when normal mapping is toggled off
+varying vec4 fragColor;
+varying mat3 TBN;
+
+// NOTE: Add your custom variables here
+
+// https://github.com/glslify/glsl-inverse
+mat3 inverse(mat3 m)
+{
+    float a00 = m[0][0], a01 = m[0][1], a02 = m[0][2];
+    float a10 = m[1][0], a11 = m[1][1], a12 = m[1][2];
+    float a20 = m[2][0], a21 = m[2][1], a22 = m[2][2];
+
+    float b01 = a22 * a11 - a12 * a21;
+    float b11 = -a22 * a10 + a12 * a20;
+    float b21 = a21 * a10 - a11 * a20;
+
+    float det = a00 * b01 + a01 * b11 + a02 * b21;
+
+    return mat3(b01, (-a22 * a01 + a02 * a21), (a12 * a01 - a02 * a11),
+        b11, (a22 * a00 - a02 * a20), (-a12 * a00 + a02 * a10),
+        b21, (-a21 * a00 + a01 * a20), (a11 * a00 - a01 * a10)) / det;
+}
+
+// https://github.com/glslify/glsl-transpose
+mat3 transpose(mat3 m)
+{
+    return mat3(m[0][0], m[1][0], m[2][0],
+        m[0][1], m[1][1], m[2][1],
+        m[0][2], m[1][2], m[2][2]);
+}
+
+void main()
+{
+    // Compute binormal from vertex normal and tangent. W component is the tangent handedness
+    vec3 vertexBinormal = cross(vertexNormal, vertexTangent.xyz) * vertexTangent.w;
+
+    // Compute fragment normal based on normal transformations
+    mat3 normalMatrix = transpose(inverse(mat3(matModel)));
+
+    // Compute fragment position based on model transformations
+    fragPosition = vec3(matModel * vec4(vertexPosition, 1.0));
+
+    //Create TBN matrix for transforming the normal map values from tangent-space to world-space
+    fragNormal = normalize(normalMatrix * vertexNormal);
+
+    vec3 fragTangent = normalize(normalMatrix * vertexTangent.xyz);
+    fragTangent = normalize(fragTangent - dot(fragTangent, fragNormal) * fragNormal);
+
+    vec3 fragBinormal = normalize(normalMatrix * vertexBinormal);
+    fragBinormal = cross(fragNormal, fragTangent);
+
+    TBN = transpose(mat3(fragTangent, fragBinormal, fragNormal));
+
+    fragColor = vertexColor;
+
+    fragTexCoord = vertexTexCoord;
+
+    gl_Position = mvp * vec4(vertexPosition, 1.0);
+}

examples/shaders/resources/shaders/glsl330/normalmap.fs

@@ -0,0 +1,67 @@
+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec3 fragPosition;
+in vec2 fragTexCoord;
+in vec3 fragNormal; //used for when normal mapping is toggled off
+in vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform sampler2D normalMap;
+uniform vec4 colDiffuse;
+
+uniform vec3 viewPos;
+uniform vec4 tintColor;
+
+uniform vec3 lightPos;
+uniform bool useNormalMap;
+uniform float specularExponent;
+
+// Output fragment color
+out vec4 finalColor;
+
+in mat3 TBN;
+
+void main()
+{
+    vec4 texelColor = texture(texture0, vec2(fragTexCoord.x, fragTexCoord.y));
+    vec3 specular = vec3(0.0);
+    vec3 viewDir = normalize(viewPos - fragPosition);
+    vec3 lightDir = normalize(lightPos - fragPosition);
+
+    vec3 normal;
+    if (useNormalMap)
+    {
+        normal = texture(normalMap, vec2(fragTexCoord.x, fragTexCoord.y)).rgb;
+
+        //Transform normal values to the range -1.0 ... 1.0
+        normal = normalize(normal * 2.0 - 1.0);
+
+        //Transform the normal from tangent-space to world-space for lighting calculation
+        normal = normalize(normal * TBN);
+    }
+    else
+    {
+        normal = normalize(fragNormal);
+    }
+
+    vec4 tint = colDiffuse * fragColor;
+
+    vec3 lightColor = vec3(1.0, 1.0, 1.0);
+    float NdotL = max(dot(normal, lightDir), 0.0);
+    vec3 lightDot = lightColor * NdotL;
+
+    float specCo = 0.0;
+
+    if (NdotL > 0.0) specCo = pow(max(0.0, dot(viewDir, reflect(-lightDir, normal))), specularExponent); // 16 refers to shine
+
+    specular += specCo;
+
+    finalColor = (texelColor * ((tint + vec4(specular, 1.0)) * vec4(lightDot, 1.0)));
+    finalColor += texelColor * (vec4(1.0, 1.0, 1.0, 1.0) / 40.0) * tint;
+
+    // Gamma correction
+    finalColor = pow(finalColor, vec4(1.0 / 2.2));
+    //finalColor = vec4(normal, 1.0);
+}

examples/shaders/resources/shaders/glsl330/normalmap.vs

@@ -0,0 +1,48 @@
+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+in vec2 vertexTexCoord;
+in vec3 vertexNormal;
+in vec4 vertexTangent;
+in vec4 vertexColor;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 matModel;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+out vec2 fragTexCoord;
+out vec3 fragNormal; //used for when normal mapping is toggled off
+out vec4 fragColor;
+out mat3 TBN;
+
+void main()
+{
+    // Compute binormal from vertex normal and tangent. W component is the tangent handedness
+    vec3 vertexBinormal = cross(vertexNormal, vertexTangent.xyz) * vertexTangent.w;
+
+    // Compute fragment normal based on normal transformations
+    mat3 normalMatrix = transpose(inverse(mat3(matModel)));
+
+    // Compute fragment position based on model transformations
+    fragPosition = vec3(matModel * vec4(vertexPosition, 1.0));
+
+    //Create TBN matrix for transforming the normal map values from tangent-space to world-space
+    fragNormal = normalize(normalMatrix * vertexNormal);
+
+    vec3 fragTangent = normalize(normalMatrix * vertexTangent.xyz);
+    fragTangent = normalize(fragTangent - dot(fragTangent, fragNormal) * fragNormal);
+
+    vec3 fragBinormal = normalize(normalMatrix * vertexBinormal);
+    fragBinormal = cross(fragNormal, fragTangent);
+
+    TBN = transpose(mat3(fragTangent, fragBinormal, fragNormal));
+
+    fragColor = vertexColor;
+
+    fragTexCoord = vertexTexCoord;
+
+    gl_Position = mvp * vec4(vertexPosition, 1.0);
+}

examples/shaders/shaders_basic_lighting.c

@@ -5,9 +5,9 @@
 *   Example complexity rating: [★★★★] 4/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
-*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3).
+*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3)
 *
 *   Example originally created with raylib 3.0, last time updated with raylib 4.2
 *

examples/shaders/shaders_custom_uniform.c

@@ -5,7 +5,7 @@
 *   Example complexity rating: [★★☆☆] 2/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
 *   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
 *         on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders

examples/shaders/shaders_deferred_render.c

@@ -99,44 +99,44 @@ int main(void)
 
     // NOTE: Vertex positions are stored in a texture for simplicity. A better approach would use a depth texture
     // (instead of a detph renderbuffer) to reconstruct world positions in the final render shader via clip-space position,
-    // depth, and the inverse view/projection matrices.
+    // depth, and the inverse view/projection matrices
 
-    // 16-bit precision ensures OpenGL ES 3 compatibility, though it may lack precision for real scenarios. 
+    // 16-bit precision ensures OpenGL ES 3 compatibility, though it may lack precision for real scenarios
     // But as mentioned above, the positions could be reconstructed instead of stored. If not targeting OpenGL ES
-    // and you wish to maintain this approach, consider using `RL_PIXELFORMAT_UNCOMPRESSED_R32G32B32`.
+    // and you wish to maintain this approach, consider using `RL_PIXELFORMAT_UNCOMPRESSED_R32G32B32`
     gBuffer.positionTexture = rlLoadTexture(NULL, screenWidth, screenHeight, RL_PIXELFORMAT_UNCOMPRESSED_R16G16B16, 1);
 
-    // Similarly, 16-bit precision is used for normals ensures OpenGL ES 3 compatibility.
-    // This is generally sufficient, but a 16-bit fixed-point format offer a better uniform precision in all orientations.
+    // Similarly, 16-bit precision is used for normals ensures OpenGL ES 3 compatibility
+    // This is generally sufficient, but a 16-bit fixed-point format offer a better uniform precision in all orientations
     gBuffer.normalTexture = rlLoadTexture(NULL, screenWidth, screenHeight, RL_PIXELFORMAT_UNCOMPRESSED_R16G16B16, 1);
 
-    // Albedo (diffuse color) and specular strength can be combined into one texture.
-    // The color in RGB, and the specular strength in the alpha channel.
+    // Albedo (diffuse color) and specular strength can be combined into one texture
+    // The color in RGB, and the specular strength in the alpha channel
     gBuffer.albedoSpecTexture = rlLoadTexture(NULL, screenWidth, screenHeight, RL_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8, 1);
 
     // Activate the draw buffers for our framebuffer
     rlActiveDrawBuffers(3);
 
-    // Now we attach our textures to the framebuffer.
+    // Now we attach our textures to the framebuffer
     rlFramebufferAttach(gBuffer.framebuffer, gBuffer.positionTexture, RL_ATTACHMENT_COLOR_CHANNEL0, RL_ATTACHMENT_TEXTURE2D, 0);
     rlFramebufferAttach(gBuffer.framebuffer, gBuffer.normalTexture, RL_ATTACHMENT_COLOR_CHANNEL1, RL_ATTACHMENT_TEXTURE2D, 0);
     rlFramebufferAttach(gBuffer.framebuffer, gBuffer.albedoSpecTexture, RL_ATTACHMENT_COLOR_CHANNEL2, RL_ATTACHMENT_TEXTURE2D, 0);
 
-    // Finally we attach the depth buffer.
+    // Finally we attach the depth buffer
     gBuffer.depthRenderbuffer = rlLoadTextureDepth(screenWidth, screenHeight, true);
     rlFramebufferAttach(gBuffer.framebuffer, gBuffer.depthRenderbuffer, RL_ATTACHMENT_DEPTH, RL_ATTACHMENT_RENDERBUFFER, 0);
 
-    // Make sure our framebuffer is complete.
+    // Make sure our framebuffer is complete
     // NOTE: rlFramebufferComplete() automatically unbinds the framebuffer, so we don't have
-    // to rlDisableFramebuffer() here.
+    // to rlDisableFramebuffer() here
     if (!rlFramebufferComplete(gBuffer.framebuffer))
     {
         TraceLog(LOG_WARNING, "Framebuffer is not complete");
     }
 
-    // Now we initialize the sampler2D uniform's in the deferred shader.
+    // Now we initialize the sampler2D uniform's in the deferred shader
     // We do this by setting the uniform's values to the texture units that
-    // we later bind our g-buffer textures to.
+    // we later bind our g-buffer textures to
     rlEnableShader(deferredShader.id);
         int texUnitPosition = 0;
         int texUnitNormal = 1;
@@ -219,7 +219,7 @@ int main(void)
             rlDisableColorBlend();
             BeginMode3D(camera);
                 // NOTE: We have to use rlEnableShader here. `BeginShaderMode` or thus `rlSetShader`
-                // will not work, as they won't immediately load the shader program.
+                // will not work, as they won't immediately load the shader program
                 rlEnableShader(gbufferShader.id);
                     // When drawing a model here, make sure that the material's shaders
                     // are set to the gbuffer shader!
@@ -236,7 +236,7 @@ int main(void)
             EndMode3D();
             rlEnableColorBlend();
 
-            // Go back to the default framebuffer (0) and draw our deferred shading.
+            // Go back to the default framebuffer (0) and draw our deferred shading
             rlDisableFramebuffer();
             rlClearScreenBuffers(); // Clear color & depth buffer
 
@@ -264,10 +264,10 @@ int main(void)
                         rlEnableColorBlend();
                     EndMode3D();
 
-                    // As a last step, we now copy over the depth buffer from our g-buffer to the default framebuffer.
+                    // As a last step, we now copy over the depth buffer from our g-buffer to the default framebuffer
                     rlBindFramebuffer(RL_READ_FRAMEBUFFER, gBuffer.framebuffer);
                     rlBindFramebuffer(RL_DRAW_FRAMEBUFFER, 0);
-                    rlBlitFramebuffer(0, 0, screenWidth, screenHeight, 0, 0, screenWidth, screenHeight, 0x00000100);    // GL_DEPTH_BUFFER_BIT
+                    rlBlitFramebuffer(0, 0, screenWidth, screenHeight, 0, 0, screenWidth, screenHeight, 0x00000100); // GL_DEPTH_BUFFER_BIT
                     rlDisableFramebuffer();
 
                     // Since our shader is now done and disabled, we can draw spheres

examples/shaders/shaders_eratosthenes.c

@@ -1,10 +1,10 @@
 /*******************************************************************************************
 *
-*   raylib [shaders] example - Sieve of Eratosthenes
+*   raylib [shaders] example - sieve of Eratosthenes
 *
 *   Example complexity rating: [★★★☆] 3/4
 *
-*   NOTE: Sieve of Eratosthenes, the earliest known (ancient Greek) prime number sieve.
+*   NOTE: Sieve of Eratosthenes, the earliest known (ancient Greek) prime number sieve
 *
 *       "Sift the twos and sift the threes,
 *        The Sieve of Eratosthenes.
@@ -12,9 +12,9 @@
 *        the numbers that are left are prime."
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
-*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3).
+*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3)
 *
 *   Example originally created with raylib 2.5, last time updated with raylib 4.0
 *
@@ -45,7 +45,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - Sieve of Eratosthenes");
+    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - sieve of Eratosthenes");
 
     RenderTexture2D target = LoadRenderTexture(screenWidth, screenHeight);
 

examples/shaders/shaders_fog.c

@@ -5,9 +5,9 @@
 *   Example complexity rating: [★★★☆] 3/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
-*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3).
+*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3)
 *
 *   Example originally created with raylib 2.5, last time updated with raylib 3.7
 *

examples/shaders/shaders_hot_reloading.c

@@ -1,11 +1,11 @@
 /*******************************************************************************************
 *
-*   raylib [shaders] example - Hot reloading
+*   raylib [shaders] example - hot reloading
 *
 *   Example complexity rating: [★★★☆] 3/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 for shaders support and only #version 330
-*         is currently supported. OpenGL ES 2.0 platforms are not supported at the moment.
+*         is currently supported. OpenGL ES 2.0 platforms are not supported at the moment
 *
 *   Example originally created with raylib 3.0, last time updated with raylib 3.5
 *

examples/shaders/shaders_hybrid_render.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [shaders] example - Hybrid Rendering
+*   raylib [shaders] example - hybrid rendering
 *
 *   Example complexity rating: [★★★★] 4/4
 *
@@ -61,15 +61,15 @@ int main(void)
     // You are required to write depth for all shaders if one shader does it
     Shader shdrRaster = LoadShader(0, TextFormat("resources/shaders/glsl%i/hybrid_raster.fs", GLSL_VERSION));
 
-    // Declare Struct used to store camera locs.
+    // Declare Struct used to store camera locs
     RayLocs marchLocs = {0};
 
-    // Fill the struct with shader locs.
+    // Fill the struct with shader locs
     marchLocs.camPos = GetShaderLocation(shdrRaymarch, "camPos");
     marchLocs.camDir = GetShaderLocation(shdrRaymarch, "camDir");
     marchLocs.screenCenter = GetShaderLocation(shdrRaymarch, "screenCenter");
 
-    // Transfer screenCenter position to shader. Which is used to calculate ray direction. 
+    // Transfer screenCenter position to shader. Which is used to calculate ray direction
     Vector2 screenCenter = {.x = screenWidth/2.0f, .y = screenHeight/2.0f};
     SetShaderValue(shdrRaymarch, marchLocs.screenCenter , &screenCenter , SHADER_UNIFORM_VEC2);
 
@@ -85,7 +85,7 @@ int main(void)
         .projection = CAMERA_PERSPECTIVE              // Camera projection type
     };
 
-    // Camera FOV is pre-calculated in the camera Distance.
+    // Camera FOV is pre-calculated in the camera distance
     float camDist = 1.0f/(tanf(camera.fovy*0.5f*DEG2RAD));
 
     SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
@@ -98,10 +98,10 @@ int main(void)
         //----------------------------------------------------------------------------------
         UpdateCamera(&camera, CAMERA_ORBITAL);
 
-        // Update Camera Postion in the ray march shader.
+        // Update Camera Postion in the ray march shader
         SetShaderValue(shdrRaymarch, marchLocs.camPos, &(camera.position), RL_SHADER_UNIFORM_VEC3);
 
-        // Update Camera Looking Vector. Vector length determines FOV.
+        // Update Camera Looking Vector. Vector length determines FOV
         Vector3 camDir = Vector3Scale( Vector3Normalize( Vector3Subtract(camera.target, camera.position)) , camDist);
         SetShaderValue(shdrRaymarch, marchLocs.camDir, &(camDir), RL_SHADER_UNIFORM_VEC3);
         //----------------------------------------------------------------------------------
@@ -113,7 +113,7 @@ int main(void)
             ClearBackground(WHITE);
 
             // Raymarch Scene
-            rlEnableDepthTest(); //Manually enable Depth Test to handle multiple rendering methods.
+            rlEnableDepthTest(); // Manually enable Depth Test to handle multiple rendering methods
             BeginShaderMode(shdrRaymarch);
                 DrawRectangleRec((Rectangle){0,0, (float)screenWidth, (float)screenHeight},WHITE);
             EndShaderMode();

examples/shaders/shaders_julia_set.c

@@ -5,9 +5,9 @@
 *   Example complexity rating: [★★★☆] 3/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
-*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3).
+*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3)
 *
 *   Example originally created with raylib 2.5, last time updated with raylib 4.0
 *
@@ -109,7 +109,7 @@ int main(void)
             SetShaderValue(shader, cLoc, c, SHADER_UNIFORM_VEC2);
         }
 
-        // If "R" is pressed, reset zoom and offset.
+        // If "R" is pressed, reset zoom and offset
         if (IsKeyPressed(KEY_R))
         {
             zoom = startingZoom;
@@ -125,17 +125,16 @@ int main(void)
         if (IsKeyPressed(KEY_RIGHT)) incrementSpeed++;
         else if (IsKeyPressed(KEY_LEFT)) incrementSpeed--;
 
-        // If either left or right button is pressed, zoom in/out.
+        // If either left or right button is pressed, zoom in/out
         if (IsMouseButtonDown(MOUSE_BUTTON_LEFT) || IsMouseButtonDown(MOUSE_BUTTON_RIGHT))
         {
-            // Change zoom. If Mouse left -> zoom in. Mouse right -> zoom out.
+            // Change zoom. If Mouse left -> zoom in. Mouse right -> zoom out
             zoom *= IsMouseButtonDown(MOUSE_BUTTON_LEFT)? zoomSpeed : 1.0f/zoomSpeed;
 
             const Vector2 mousePos = GetMousePosition();
             Vector2 offsetVelocity;
             // Find the velocity at which to change the camera. Take the distance of the mouse
-            // from the center of the screen as the direction, and adjust magnitude based on
-            // the current zoom.
+            // from the center of the screen as the direction, and adjust magnitude based on the current zoom
             offsetVelocity.x = (mousePos.x/(float)screenWidth - 0.5f)*offsetSpeedMul/zoom;
             offsetVelocity.y = (mousePos.y/(float)screenHeight - 0.5f)*offsetSpeedMul/zoom;
 

examples/shaders/shaders_lightmap.c

@@ -5,9 +5,9 @@
 *   Example complexity rating: [★★★☆] 3/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
-*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3).
+*   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3)
 *
 *   Example originally created with raylib 4.5, last time updated with raylib 4.5
 *

examples/shaders/shaders_model_shader.c

@@ -5,7 +5,7 @@
 *   Example complexity rating: [★★☆☆] 2/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
 *   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
 *         on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders

examples/shaders/shaders_multi_sample2d.c

@@ -1,11 +1,11 @@
 /*******************************************************************************************
 *
-*   raylib [shaders] example - Multiple sample2D with default batch system
+*   raylib [shaders] example - multi sample2D
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
 *   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
 *         on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders
@@ -38,7 +38,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib - multiple sample2D");
+    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - multi sample2D");
 
     Image imRed = GenImageColor(800, 450, (Color){ 255, 0, 0, 255 });
     Texture texRed = LoadTextureFromImage(imRed);

examples/shaders/shaders_normalmap.c

@@ -0,0 +1,173 @@
+/*******************************************************************************************
+ *
+ *   raylib [shaders] example - normalmap
+ *
+ *   Example complexity rating: [★★★★] 4/4
+ *
+ *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
+ *         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
+ *
+ *   Example originally created with raylib 5.6, last time updated with raylib 5.6
+ *
+ *   Example contributed by Jeremy Montgomery (@Sir_Irk) and reviewed by Ramon Santamaria (@raysan5)
+ *
+ *   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
+ *   BSD-like license that allows static linking with closed source software
+ *
+ *   Copyright (c) 2025-2025 Jeremy Montgomery (@Sir_Irk) and Ramon Santamaria (@raysan5)
+ *k
+ ********************************************************************************************/
+
+#include <raylib.h>
+
+#include <raymath.h>
+
+#if defined(PLATFORM_DESKTOP)
+    #define GLSL_VERSION            330
+#else   // PLATFORM_ANDROID, PLATFORM_WEB
+    #define GLSL_VERSION            100
+#endif
+
+//------------------------------------------------------------------------------------
+// Program main entry point
+//------------------------------------------------------------------------------------
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    SetConfigFlags(FLAG_MSAA_4X_HINT);
+    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - normal map");
+
+    Camera camera = { 0 };
+    camera.position = (Vector3){ 0.0f, 2.0f, -4.0f };
+    camera.target = (Vector3){ 0.0f, 0.0f, 0.0f };
+    camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+    camera.fovy = 45.0f;
+    camera.projection = CAMERA_PERSPECTIVE;
+
+    // Load basic normal map lighting shader
+    Shader shader = LoadShader(TextFormat("resources/shaders/glsl%i/normalmap.vs", GLSL_VERSION), 
+                               TextFormat("resources/shaders/glsl%i/normalmap.fs", GLSL_VERSION));
+
+    // Get some required shader locations
+    shader.locs[SHADER_LOC_MAP_NORMAL] = GetShaderLocation(shader, "normalMap");
+    shader.locs[SHADER_LOC_VECTOR_VIEW] = GetShaderLocation(shader, "viewPos");
+
+    // NOTE: "matModel" location name is automatically assigned on shader loading,
+    // no need to get the location again if using that uniform name
+    // shader.locs[SHADER_LOC_MATRIX_MODEL] = GetShaderLocation(shader, "matModel");
+
+    // This example uses just 1 point light
+    Vector3 lightPosition = { 0.0f, 1.0f, 0.0f };
+    int lightPosLoc = GetShaderLocation(shader, "lightPos");
+
+    // Load a plane model that has proper normals and tangents
+    Model plane = LoadModel("resources/models/plane.glb");
+
+    // Set the plane model's shader and texture maps
+    plane.materials[0].shader = shader;
+    plane.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture = LoadTexture("resources/tiles_diffuse.png");
+    plane.materials[0].maps[MATERIAL_MAP_NORMAL].texture = LoadTexture("resources/tiles_normal.png");
+
+    // Generate Mipmaps and use TRILINEAR filtering to help with texture aliasing
+    GenTextureMipmaps(&plane.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture);
+    GenTextureMipmaps(&plane.materials[0].maps[MATERIAL_MAP_NORMAL].texture);
+
+    SetTextureFilter(plane.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture, TEXTURE_FILTER_TRILINEAR);
+    SetTextureFilter(plane.materials[0].maps[MATERIAL_MAP_NORMAL].texture, TEXTURE_FILTER_TRILINEAR);
+
+    // Specular exponent AKA shininess of the material
+    float specularExponent = 8.0f;
+    int specularExponentLoc = GetShaderLocation(shader, "specularExponent");
+
+    // Allow toggling the normal map on and off for comparison purposes
+    int useNormalMap = 1;
+    int useNormalMapLoc = GetShaderLocation(shader, "useNormalMap");
+
+    SetTargetFPS(60); // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose()) // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        // Move the light around on the X and Z axis using WASD keys
+        Vector3 direction = { 0 };
+        if (IsKeyDown(KEY_W)) direction = Vector3Add(direction, (Vector3){ 0.0f, 0.0f, 1.0f });
+        if (IsKeyDown(KEY_S)) direction = Vector3Add(direction, (Vector3){ 0.0f, 0.0f, -1.0f });
+        if (IsKeyDown(KEY_D)) direction = Vector3Add(direction, (Vector3){ -1.0f, 0.0f, 0.0f });
+        if (IsKeyDown(KEY_A)) direction = Vector3Add(direction, (Vector3){ 1.0f, 0.0f, 0.0f });
+
+        direction = Vector3Normalize(direction);
+        lightPosition = Vector3Add(lightPosition, Vector3Scale(direction, GetFrameTime()*3.0f));
+
+        // Increase/Decrease the specular exponent(shininess)
+        if (IsKeyDown(KEY_UP)) specularExponent = Clamp(specularExponent + 40.0f*GetFrameTime(), 2.0f, 128.0f);
+        if (IsKeyDown(KEY_DOWN)) specularExponent = Clamp(specularExponent - 40.0f*GetFrameTime(), 2.0f, 128.0f);
+
+        // Toggle normal map on and off
+        if (IsKeyPressed(KEY_N)) useNormalMap = !useNormalMap;
+
+        // Spin plane model at a constant rate
+        plane.transform = MatrixRotateY(GetTime()*0.5f);
+
+        // Update shader values
+        float lightPos[3] = {lightPosition.x, lightPosition.y, lightPosition.z};
+        SetShaderValue(shader, lightPosLoc, lightPos, SHADER_UNIFORM_VEC3);
+
+        float camPos[3] = {camera.position.x, camera.position.y, camera.position.z};
+        SetShaderValue(shader, shader.locs[SHADER_LOC_VECTOR_VIEW], camPos, SHADER_UNIFORM_VEC3);
+
+        SetShaderValue(shader, specularExponentLoc, &specularExponent, SHADER_UNIFORM_FLOAT);
+
+        SetShaderValue(shader, useNormalMapLoc, &useNormalMap, SHADER_UNIFORM_INT);
+        //--------------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            BeginMode3D(camera);
+
+                BeginShaderMode(shader);
+
+                    DrawModel(plane, Vector3Zero(), 2.0f, WHITE);
+
+                EndShaderMode();
+
+                // Draw sphere to show light position
+                DrawSphereWires(lightPosition, 0.2f, 8, 8, ORANGE);
+
+            EndMode3D();
+
+            Color textColor = (useNormalMap) ? DARKGREEN : RED;
+            const char *toggleStr = (useNormalMap) ? "On" : "Off";
+            DrawText(TextFormat("Use key [N] to toggle normal map: %s", toggleStr), 10, 10, 10, textColor);
+
+            int yOffset = 24;
+            DrawText("Use keys [W][A][S][D] to move the light", 10, 10 + yOffset*1, 10, BLACK);
+            DrawText("Use keys [Up][Down] to change specular exponent", 10, 10 + yOffset*2, 10, BLACK);
+            DrawText(TextFormat("Specular Exponent: %.2f", specularExponent), 10, 10 + yOffset*3, 10, BLUE);
+
+            DrawFPS(screenWidth - 80, 10);
+
+        EndDrawing();
+        //--------------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadShader(shader);
+    UnloadModel(plane);
+
+    CloseWindow(); // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}

examples/shaders/shaders_palette_switch.c

@@ -5,7 +5,7 @@
 *   Example complexity rating: [★★★☆] 3/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
 *   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
 *         on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders

examples/shaders/shaders_postprocessing.c

@@ -5,7 +5,7 @@
 *   Example complexity rating: [★★★☆] 3/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
 *   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
 *         on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders

examples/shaders/shaders_raymarching.c

@@ -5,7 +5,7 @@
 *   Example complexity rating: [★★★★] 4/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 for shaders support and only #version 330
-*         is currently supported. OpenGL ES 2.0 platforms are not supported at the moment.
+*         is currently supported. OpenGL ES 2.0 platforms are not supported at the moment
 *
 *   Example originally created with raylib 2.0, last time updated with raylib 4.2
 *

examples/shaders/shaders_rounded_rectangle.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [shaders] example - Rounded Rectangle
+*   raylib [shaders] example - rounded rectangle
 *
 *   Example complexity rating: [★★★☆] 3/4
 *
@@ -24,9 +24,8 @@
 #endif
 
 //------------------------------------------------------------------------------------
-// Declare custom Structs
+// Structs definition
 //------------------------------------------------------------------------------------
-
 // Rounded rectangle data
 typedef struct {
     Vector4 cornerRadius; // Individual corner radius (top-left, top-right, bottom-left, bottom-right)
@@ -54,7 +53,6 @@ typedef struct {
 //------------------------------------------------------------------------------------
 // Module Functions Declaration
 //------------------------------------------------------------------------------------
-
 // Create a rounded rectangle and set uniform locations
 static RoundedRectangle CreateRoundedRectangle(Vector4 cornerRadius, float shadowRadius, Vector2 shadowOffset, float shadowScale, float borderThickness, Shader shader);
 
@@ -71,11 +69,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    const Color rectangleColor = BLUE;
-    const Color shadowColor = DARKBLUE;
-    const Color borderColor = SKYBLUE;
-
-    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - Rounded Rectangle");
+    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - rounded rectangle");
 
     // Load the shader
     Shader shader = LoadShader(TextFormat("resources/shaders/glsl%i/base.vs", GLSL_VERSION),
@@ -94,6 +88,10 @@ int main(void)
     // Update shader uniforms
     UpdateRoundedRectangle(roundedRectangle, shader);
 
+    const Color rectangleColor = BLUE;
+    const Color shadowColor = DARKBLUE;
+    const Color borderColor = SKYBLUE;
+
     SetTargetFPS(60);
     //--------------------------------------------------------------------------------------
 
@@ -124,8 +122,6 @@ int main(void)
                 DrawRectangle(0, 0, screenWidth, screenHeight, WHITE);
             EndShaderMode();
 
-
-
             // Draw rectangle shadow using shader
             rec = (Rectangle){ 50, 200, 110, 60 };
             DrawRectangleLines((int)rec.x - 20, (int)rec.y - 20, (int)rec.width + 40, (int)rec.height + 40, DARKGRAY);
@@ -143,8 +139,6 @@ int main(void)
                 DrawRectangle(0, 0, screenWidth, screenHeight, WHITE);
             EndShaderMode();
 
-
-
             // Draw rectangle's border using shader
             rec = (Rectangle){ 50, 330, 110, 60 };
             DrawRectangleLines((int)rec.x - 20, (int)rec.y - 20, (int)rec.width + 40, (int)rec.height + 40, DARKGRAY);
@@ -162,8 +156,6 @@ int main(void)
                 DrawRectangle(0, 0, screenWidth, screenHeight, WHITE);
             EndShaderMode();
 
-
-
             // Draw one more rectangle with all three colors
             rec = (Rectangle){ 240, 80, 500, 300 };
             DrawRectangleLines((int)rec.x - 30, (int)rec.y - 30, (int)rec.width + 60, (int)rec.height + 60, DARKGRAY);

examples/shaders/shaders_shadowmap.c

@@ -44,7 +44,7 @@ int main(void)
     SetConfigFlags(FLAG_MSAA_4X_HINT);
     // Shadows are a HUGE topic, and this example shows an extremely simple implementation of the shadowmapping algorithm,
     // which is the industry standard for shadows. This algorithm can be extended in a ridiculous number of ways to improve
-    // realism and also adapt it for different scenes. This is pretty much the simplest possible implementation.
+    // realism and also adapt it for different scenes. This is pretty much the simplest possible implementation
     InitWindow(screenWidth, screenHeight, "raylib [shaders] example - shadowmap");
 
     Camera3D cam = (Camera3D){ 0 };

examples/shaders/shaders_shapes_textures.c

@@ -5,7 +5,7 @@
 *   Example complexity rating: [★★☆☆] 2/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
 *   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
 *         on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders

examples/shaders/shaders_spotlight.c

@@ -20,13 +20,13 @@
 *
 *   The right hand side of the screen there is just enough light to see whats
 *   going on without the spot light, great for a stealth type game where you
-*   have to avoid the spotlights.
+*   have to avoid the spotlights
 *
-*   The left hand side of the screen is in pitch dark except for where the spotlights are.
+*   The left hand side of the screen is in pitch dark except for where the spotlights are
 *
 *   Although this example doesn't scale like the letterbox example, you could integrate
 *   the two techniques, but by scaling the actual colour of the render texture rather
-*   than using alpha as a mask.
+*   than using alpha as a mask
 *
 ********************************************************************************************/
 
@@ -115,7 +115,7 @@ int main(void)
     }
 
     // Tell the shader how wide the screen is so we can have
-    // a pitch black half and a dimly lit half.
+    // a pitch black half and a dimly lit half
     unsigned int wLoc = GetShaderLocation(shdrSpot, "screenWidth");
     float sw = (float)GetScreenWidth();
     SetShaderValue(shdrSpot, wLoc, &sw, SHADER_UNIFORM_FLOAT);

examples/shaders/shaders_texture_outline.c

@@ -1,11 +1,11 @@
 /*******************************************************************************************
 *
-*   raylib [shaders] example - Apply an shdrOutline to a texture
+*   raylib [shaders] example - texture outline
 *
 *   Example complexity rating: [★★★☆] 3/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
 *   Example originally created with raylib 4.0, last time updated with raylib 4.0
 *
@@ -36,7 +36,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - Apply an outline to a texture");
+    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - texture outline");
 
     Texture2D texture = LoadTexture("resources/fudesumi.png");
 

examples/shaders/shaders_texture_tiling.c

@@ -4,7 +4,7 @@
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *
-*   Example demonstrates how to tile a texture on a 3D model using raylib.
+*   Example demonstrates how to tile a texture on a 3D model using raylib
 *
 *   Example originally created with raylib 4.5, last time updated with raylib 4.5
 *

examples/shaders/shaders_texture_waves.c

@@ -5,7 +5,7 @@
 *   Example complexity rating: [★★☆☆] 2/4
 *
 *   NOTE: This example requires raylib OpenGL 3.3 or ES2 versions for shaders support,
-*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version.
+*         OpenGL 1.1 does not support shaders, recompile raylib to OpenGL 3.3 version
 *
 *   NOTE: Shaders used in this example are #version 330 (OpenGL 3.3), to test this example
 *         on OpenGL ES 2.0 platforms (Android, Raspberry Pi, HTML5), use #version 100 shaders

examples/shaders/shaders_view_depth.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [shader] example - render depth texture
+*   raylib [shaders] example - render depth texture
 *
 *   Example complexity rating: [★★★☆] 3/4
 *
@@ -36,7 +36,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib [shader] example - render depth texture");
+    InitWindow(screenWidth, screenHeight, "raylib [shaders] example - render depth texture");
 
     // Init camera
     Camera camera = { 0 };

examples/shaders/shaders_write_depth.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [shaders] example - Depth buffer writing
+*   raylib [shaders] example - depth buffer writing
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *

examples/shapes/shapes_double_pendulum.c

@@ -22,12 +22,6 @@
 //----------------------------------------------------------------------------------
 // Macro Helpers
 //----------------------------------------------------------------------------------
-#define SCREEN_WIDTH 800
-#define SCREEN_HEIGHT 450
-
-#define CENTER_X SCREEN_WIDTH * 0.5
-#define CENTER_Y SCREEN_HEIGHT * 0.5 - 100
-
 // Constant for Simulation
 #define SIMULATION_STEPS 30
 #define G 9.81
@@ -45,32 +39,32 @@ int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
     SetConfigFlags(FLAG_WINDOW_HIGHDPI);
-    InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "raylib [shapes] example - Double Pendulum");
+    InitWindow(screenWidth, screenHeight, "raylib [shapes] example - double pendulum");
 
     // Simulation Paramters
-    //--------------------------------------------------------------------------------------
     float l1 = 15, m1 = 0.2, theta1 = DEG2RAD * 170, w1 = 0;
     float l2 = 15, m2 = 0.1, theta2 = DEG2RAD * 0, w2 = 0;
     float lengthScaler = 0.1;
     float totalM = m1 + m2;
 
     Vector2 previousPosition = CalculateDoublePendulumEndPoint(l1, theta1, l2, theta2);
-    previousPosition.x += CENTER_X;
-    previousPosition.y += CENTER_Y;
+    previousPosition.x += (screenWidth/2);
+    previousPosition.y += (screenHeight/2 - 100);
 
     // Scale length
     float L1 = l1 * lengthScaler;
     float L2 = l2 * lengthScaler;
 
-    // Draw Parameters
-    //--------------------------------------------------------------------------------------
+    // Draw parameters
     int lineThick = 20, trailThick = 2;
     float fateAlpha = 0.01;
 
-    // Create Framebuffer
-    //--------------------------------------------------------------------------------------
-    RenderTexture2D target = LoadRenderTexture(SCREEN_WIDTH, SCREEN_HEIGHT);
+    // Create framebuffer
+    RenderTexture2D target = LoadRenderTexture(screenWidth, screenHeight);
     SetTextureFilter(target.texture, TEXTURE_FILTER_BILINEAR);
 
     SetTargetFPS(60);
@@ -80,60 +74,56 @@ int main(void)
     while (!WindowShouldClose())    // Detect window close button or ESC key
     {
         // Update
+        //----------------------------------------------------------------------------------
         float dt = GetFrameTime();
         float step = dt / SIMULATION_STEPS, step2 = step * step;
 
         // Update Physics - larger steps = better approximation
-        //----------------------------------------------------------------------------------
         for (int i = 0; i < SIMULATION_STEPS; ++i)
         {
             float delta = theta1 - theta2;
-            float sinD = sin(delta), cosD = cos(delta), cos2D = cos(2 * delta);
+            float sinD = sinf(delta), cosD = cosf(delta), cos2D = cosf(2*delta);
             float ww1 = w1 * w1, ww2 = w2 * w2;
 
             // Calculate a1
-            float a1 = (-G * (2 * m1 + m2) * sin(theta1) 
-                         - m2 * G * sin(theta1 - 2 * theta2) 
-                         - 2 * sinD * m2 * (ww2 * L2 + ww1 * L1 * cosD))
-                         / (L1 * (2 * m1 + m2 - m2 * cos2D));
+            float a1 = (-G*(2*m1 + m2)*sinf(theta1)
+                         - m2*G*sinf(theta1 - 2*theta2)
+                         - 2*sinD*m2*(ww2*L2 + ww1*L1*cosD))
+                         / (L1*(2*m1 + m2 - m2*cos2D));
 
             // Calculate a2
-            float a2 = (2 * sinD * (ww1 * L1 * totalM
-                         + G * totalM * cos(theta1) 
-                         + ww2 * L2 * m2 * cosD))
-                         / (L2 * (2 * m1 + m2 - m2 * cos2D));
+            float a2 = (2*sinD*(ww1*L1*totalM
+                         + G*totalM*cosf(theta1)
+                         + ww2*L2*m2*cosD))
+                         / (L2*(2*m1 + m2 - m2*cos2D));
 
             // Update thetas
-            theta1 += w1 * step + 0.5 * a1 * step2;
-            theta2 += w2 * step + 0.5 * a2 * step2;
+            theta1 += w1*step + 0.5f*a1*step2;
+            theta2 += w2*step + 0.5f*a2*step2;
 
             // Update omegas
-            w1 += a1 * step;
-            w2 += a2 * step;
+            w1 += a1*step;
+            w2 += a2*step;
         }
-        //----------------------------------------------------------------------------------
 
         // Calculate position
         Vector2 currentPosition = CalculateDoublePendulumEndPoint(l1, theta1, l2, theta2);
-        currentPosition.x += CENTER_X;
-        currentPosition.y += CENTER_Y;
+        currentPosition.x += screenWidth/2;
+        currentPosition.y += screenHeight/2 - 100;
 
-        // Draw to framebuffer
-        //----------------------------------------------------------------------------------
+        // Draw to render texture
         BeginTextureMode(target);
-
             // Draw a transparent rectangle - smaller alpha = longer trails
-            DrawRectangle(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, Fade(BLACK, fateAlpha));
+            DrawRectangle(0, 0, screenWidth, screenHeight, Fade(BLACK, fateAlpha));
 
             // Draw trail
             DrawCircleV(previousPosition, trailThick, RED);
             DrawLineEx(previousPosition, currentPosition, trailThick * 2, RED);
-
         EndTextureMode();
-        //----------------------------------------------------------------------------------
 
         // Update previous position
         previousPosition = currentPosition;
+        //----------------------------------------------------------------------------------
 
         // Draw
         //----------------------------------------------------------------------------------
@@ -141,17 +131,16 @@ int main(void)
 
             ClearBackground(BLACK);
 
-            // Draw Trails Texture
-            DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height },
-                             (Vector2){ 0, 0 }, WHITE);
+            // Draw trails texture
+            DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE);
 
-            // Draw Double Pendulum
-            DrawRectanglePro((Rectangle){ CENTER_X, CENTER_Y, 10 * l1, lineThick },
-                             (Vector2){0, lineThick * 0.5}, 90 - RAD2DEG * theta1, RAYWHITE);
+            // Draw double pendulum
+            DrawRectanglePro((Rectangle){ screenWidth/2, screenHeight/2 - 100, 10 * l1, lineThick },
+                (Vector2){0, lineThick * 0.5}, 90 - RAD2DEG * theta1, RAYWHITE);
 
             Vector2 endpoint1 = CalculatePendulumEndPoint(l1, theta1);
-            DrawRectanglePro((Rectangle){ CENTER_X + endpoint1.x, CENTER_Y + endpoint1.y, 10 * l2, lineThick },
-                             (Vector2){0, lineThick * 0.5}, 90 - RAD2DEG * theta2, RAYWHITE);
+            DrawRectanglePro((Rectangle){ screenWidth/2 + endpoint1.x, screenHeight/2 - 100 + endpoint1.y, 10 * l2, lineThick },
+                (Vector2){0, lineThick * 0.5}, 90 - RAD2DEG * theta2, RAYWHITE);
 
         EndDrawing();
         //----------------------------------------------------------------------------------

examples/shapes/shapes_easings_rectangle_array.c

@@ -5,7 +5,7 @@
 *   Example complexity rating: [★★★☆] 3/4
 *
 *   NOTE: This example requires 'easings.h' library, provided on raylib/src. Just copy
-*   the library to same directory as example or make sure it's available on include path.
+*   the library to same directory as example or make sure it's available on include path
 *
 *   Example originally created with raylib 2.0, last time updated with raylib 2.5
 *

examples/shapes/shapes_logo_raylib.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [shapes] example - Draw raylib logo using basic shapes
+*   raylib [shapes] example - draw raylib logo using basic shapes
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *

examples/shapes/shapes_rectangle_advanced.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [shapes] example - Rectangle advanced
+*   raylib [shapes] example - advanced rectangle drawing
 *
 *   Example complexity rating: [★★★★] 4/4
 *
@@ -265,10 +265,10 @@ static void DrawRectangleRoundedGradientH(Rectangle rec, float roundnessLeft, fl
     rlSetTexture(0);
 #else
 
-    // Here we use the 'Diagram' to guide ourselves to which point receives what color.
+    // Here we use the 'Diagram' to guide ourselves to which point receives what color
     // By choosing the color correctly associated with a pointe the gradient effect
-    // will naturally come from OpenGL interpolation.
-    // But this time instead of Quad, we think in triangles.
+    // will naturally come from OpenGL interpolation
+    // But this time instead of Quad, we think in triangles
 
     rlBegin(RL_TRIANGLES);
         // Draw all of the 4 corners: [1] Upper Left Corner, [3] Upper Right Corner, [5] Lower Right Corner, [7] Lower Left Corner

examples/text/text_codepoints_loading.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Codepoints loading
+*   raylib [text] example - text codepoints loading
 *
 *   Example complexity rating: [★★★☆] 3/4
 *
@@ -39,7 +39,7 @@ int main(void)
     InitWindow(screenWidth, screenHeight, "raylib [text] example - codepoints loading");
 
     // Convert each utf-8 character into its
-    // corresponding codepoint in the font file.
+    // corresponding codepoint in the font file
     int codepointCount = 0;
     int *codepoints = LoadCodepoints(text, &codepointCount);
 

examples/text/text_draw_3d.c

@@ -1,17 +1,17 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Draw 3d
+*   raylib [text] example - drawing 3d text
 *
 *   Example complexity rating: [★★★★] 4/4
 *
 *   NOTE: Draw a 2D text in 3D space, each letter is drawn in a quad (or 2 quads if backface is set)
 *   where the texture coodinates of each quad map to the texture coordinates of the glyphs
-*   inside the font texture.
+*   inside the font texture
 *
 *   A more efficient approach, i believe, would be to render the text in a render texture and
 *   map that texture to a plane and render that, or maybe a shader but my method allows more
 *   flexibility...for example to change position of each letter individually to make somethink
-*   like a wavy text effect.
+*   like a wavy text effect
 *
 *   Special thanks to:
 *        @Nighten for the DrawTextStyle() code https://github.com/NightenDushi/Raylib_DrawTextStyle
@@ -71,7 +71,7 @@ static void DrawText3D(Font font, const char *text, Vector3 position, float font
 // Draw a 2D text in 3D space and wave the parts that start with '~~' and end with '~~'
 // This is a modified version of the original code by @Nighten found here https://github.com/NightenDushi/Raylib_DrawTextStyle
 static void DrawTextWave3D(Font font, const char *text, Vector3 position, float fontSize, float fontSpacing, float lineSpacing, bool backface, WaveTextConfig *config, float time, Color tint);
-// Measure a text in 3D ignoring the `~~` chars.
+// Measure a text in 3D ignoring the `~~` chars
 static Vector3 MeasureTextWave3D(Font font, const char *text, float fontSize, float fontSpacing, float lineSpacing);
 // Generates a nice color with a random hue
 static Color GenerateRandomColor(float s, float v);
@@ -562,7 +562,7 @@ static void DrawText3D(Font font, const char *text, Vector3 position, float font
     }
 }
 
-// Draw a 2D text in 3D space and wave the parts that start with `~~` and end with `~~`.
+// Draw a 2D text in 3D space and wave the parts that start with `~~` and end with `~~`
 // This is a modified version of the original code by @Nighten found here https://github.com/NightenDushi/Raylib_DrawTextStyle
 static void DrawTextWave3D(Font font, const char *text, Vector3 position, float fontSize, float fontSpacing, float lineSpacing, bool backface, WaveTextConfig* config, float time, Color tint)
 {
@@ -625,7 +625,7 @@ static void DrawTextWave3D(Font font, const char *text, Vector3 position, float
     }
 }
 
-// Measure a text in 3D ignoring the `~~` chars.
+// Measure a text in 3D ignoring the `~~` chars
 static Vector3 MeasureTextWave3D(Font font, const char* text, float fontSize, float fontSpacing, float lineSpacing)
 {
     int len = TextLength(text);

examples/text/text_font_filters.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Font filters
+*   raylib [text] example - font texture filters
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *

examples/text/text_font_sdf.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Font SDF loading
+*   raylib [text] example - font SDF loading
 *
 *   Example complexity rating: [★★★☆] 3/4
 *

examples/text/text_font_spritefont.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Sprite font loading
+*   raylib [text] example - sprite font loading
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *
@@ -12,7 +12,7 @@
 *     - Rectangles must be defined by a MAGENTA color background
 *
 *   Following those constraints, a font can be provided just by an image,
-*   this is quite handy to avoid additional font descriptor files (like BMFonts use).
+*   this is quite handy to avoid additional font descriptor files (like BMFonts use)
 *
 *   Example originally created with raylib 1.0, last time updated with raylib 1.0
 *

examples/text/text_format_text.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Text formatting
+*   raylib [text] example - text formating
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *

examples/text/text_input_box.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Input Box
+*   raylib [text] example - text input box
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *
@@ -63,7 +63,7 @@ int main(void)
                 if ((key >= 32) && (key <= 125) && (letterCount < MAX_INPUT_CHARS))
                 {
                     name[letterCount] = (char)key;
-                    name[letterCount+1] = '\0'; // Add null terminator at the end of the string.
+                    name[letterCount+1] = '\0'; // Add null terminator at the end of the string
                     letterCount++;
                 }
 

examples/text/text_rectangle_bounds.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Rectangle bounds
+*   raylib [text] example - rectangle bounds
 *
 *   Example complexity rating: [★★★★] 4/4
 *
@@ -179,9 +179,9 @@ static void DrawTextBoxedSelectable(Font font, const char *text, Rectangle rec,
 
         // NOTE: When wordWrap is ON we first measure how much of the text we can draw before going outside of the rec container
         // We store this info in startLine and endLine, then we change states, draw the text between those two variables
-        // and change states again and again recursively until the end of the text (or until we get outside of the container).
+        // and change states again and again recursively until the end of the text (or until we get outside of the container)
         // When wordWrap is OFF we don't need the measure state so we go to the drawing state immediately
-        // and begin drawing on the next line before we can get outside the container.
+        // and begin drawing on the next line before we can get outside the container
         if (state == MEASURE_STATE)
         {
             // TODO: There are multiple types of spaces in UNICODE, maybe it's a good idea to add support for more

examples/text/text_unicode.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Unicode
+*   raylib [text] example - unicode text drawing
 *
 *   Example complexity rating: [★★★★] 4/4
 *
@@ -378,9 +378,9 @@ static void DrawTextBoxedSelectable(Font font, const char *text, Rectangle rec,
 
         // NOTE: When wordWrap is ON we first measure how much of the text we can draw before going outside of the rec container
         // We store this info in startLine and endLine, then we change states, draw the text between those two variables
-        // and change states again and again recursively until the end of the text (or until we get outside of the container).
+        // and change states again and again recursively until the end of the text (or until we get outside of the container)
         // When wordWrap is OFF we don't need the measure state so we go to the drawing state immediately
-        // and begin drawing on the next line before we can get outside the container.
+        // and begin drawing on the next line before we can get outside the container
         if (state == MEASURE_STATE)
         {
             // TODO: There are multiple types of spaces in UNICODE, maybe it's a good idea to add support for more

examples/text/text_writing_anim.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [text] example - Text Writing Animation
+*   raylib [text] example - text writing animation
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *

examples/textures/textures_background_scrolling.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Background scrolling
+*   raylib [textures] example - background scrolling
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *

examples/textures/textures_bunnymark.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Bunnymark
+*   raylib [textures] example - bunnymark
 *
 *   Example complexity rating: [★★★☆] 3/4
 *

examples/textures/textures_draw_tiled.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Draw part of the texture tiled
+*   raylib [textures] example - draw texture tiled
 *
 *   Example complexity rating: [★★★☆] 3/4
 *
@@ -22,7 +22,7 @@
 #define MARGIN_SIZE       8       // Size for the margins
 #define COLOR_SIZE       16       // Size of the color select buttons
 
-// Draw part of a texture (defined by a rectangle) with rotation and scale tiled into dest.
+// Draw part of a texture (defined by a rectangle) with rotation and scale tiled into dest
 void DrawTextureTiled(Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, float scale, Color tint);
 
 //------------------------------------------------------------------------------------
@@ -36,7 +36,7 @@ int main(void)
     const int screenHeight = 450;
 
     SetConfigFlags(FLAG_WINDOW_RESIZABLE); // Make the window resizable
-    InitWindow(screenWidth, screenHeight, "raylib [textures] example - Draw part of a texture tiled");
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - draw texture tiled");
 
     // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
     Texture texPattern = LoadTexture("resources/patterns.png");
@@ -173,7 +173,7 @@ int main(void)
     return 0;
 }
 
-// Draw part of a texture (defined by a rectangle) with rotation and scale tiled into dest.
+// Draw part of a texture (defined by a rectangle) with rotation and scale tiled into dest
 void DrawTextureTiled(Texture2D texture, Rectangle source, Rectangle dest, Vector2 origin, float rotation, float scale, Color tint)
 {
     if ((texture.id <= 0) || (scale <= 0.0f)) return;  // Wanna see a infinite loop?!...just delete this line!

examples/textures/textures_fog_of_war.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Fog of war
+*   raylib [textures] example - fog of war
 *
 *   Example complexity rating: [★★★☆] 3/4
 *

examples/textures/textures_image_channel.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Retrive image channel (mask)
+*   raylib [textures] example - extract image channel
 *
 *   NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
 *
@@ -75,9 +75,9 @@ int main(void)
     // Main game loop
     while (!WindowShouldClose())    // Detect window close button or ESC key
     {
-        // Draw
+        // Update
         //----------------------------------------------------------------------------------
-        // TODO...
+        // Nothing to update...
         //----------------------------------------------------------------------------------
 
         // Draw
@@ -104,6 +104,7 @@ int main(void)
     UnloadTexture(textureGreen);
     UnloadTexture(textureBlue);
     UnloadTexture(textureAlpha);
+
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
 

examples/textures/textures_image_drawing.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Image loading and drawing on it
+*   raylib [textures] example - image loading and drawing
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *

examples/textures/textures_image_generation.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Procedural images generation
+*   raylib [textures] example - procedural images generation
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *

examples/textures/textures_image_kernel.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Image loading and texture creation
+*   raylib [textures] example - image kernel convolution
 *
 *   Example complexity rating: [★★★★] 4/4
 *
@@ -19,20 +19,14 @@
 
 #include "raylib.h"
 
+//------------------------------------------------------------------------------------
+// Module functions declaration
+//------------------------------------------------------------------------------------
+static void NormalizeKernel(float *kernel, int size);
+
 //------------------------------------------------------------------------------------
 // Program main entry point
 //------------------------------------------------------------------------------------
-void NormalizeKernel(float *kernel, int size)
-{
-    float sum = 0.0f;
-    for (int i = 0; i < size; i++) sum += kernel[i]; 
-
-    if (sum != 0.0f)
-    {
-        for (int i = 0; i < size; i++) kernel[i] /= sum; 
-    }
-}
-
 int main(void)
 {
     // Initialization
@@ -42,22 +36,25 @@ int main(void)
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - image convolution");
 
-    Image image = LoadImage("resources/cat.png");     // Loaded in CPU memory (RAM)
+    Image image = LoadImage("resources/cat.png"); // Loaded in CPU memory (RAM)
 
     float gaussiankernel[] = {
         1.0f, 2.0f, 1.0f,
         2.0f, 4.0f, 2.0f,
-        1.0f, 2.0f, 1.0f };
+        1.0f, 2.0f, 1.0f
+    };
 
     float sobelkernel[] = {
         1.0f, 0.0f, -1.0f,
         2.0f, 0.0f, -2.0f,
-        1.0f, 0.0f, -1.0f };
+        1.0f, 0.0f, -1.0f
+    };
 
     float sharpenkernel[] = {
         0.0f, -1.0f, 0.0f,
        -1.0f, 5.0f, -1.0f,
-        0.0f, -1.0f, 0.0f };
+        0.0f, -1.0f, 0.0f
+    };
 
     NormalizeKernel(gaussiankernel, 9);
     NormalizeKernel(sharpenkernel, 9);
@@ -132,3 +129,17 @@ int main(void)
 
     return 0;
 }
+
+//------------------------------------------------------------------------------------
+// Module functions definition
+//------------------------------------------------------------------------------------
+static void NormalizeKernel(float *kernel, int size)
+{
+    float sum = 0.0f;
+    for (int i = 0; i < size; i++) sum += kernel[i];
+
+    if (sum != 0.0f)
+    {
+        for (int i = 0; i < size; i++) kernel[i] /= sum;
+    }
+}

examples/textures/textures_image_loading.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Image loading and texture creation
+*   raylib [textures] example - image loading and texture creation
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *

examples/textures/textures_image_rotate.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Image Rotation
+*   raylib [textures] example - image rotation
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *
@@ -27,7 +27,7 @@ int main(void)
     const int screenWidth = 800;
     const int screenHeight = 450;
 
-    InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture rotation");
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - image rotation");
 
     // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
     Image image45 = LoadImage("resources/raylib_logo.png");

examples/textures/textures_image_text.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Image text drawing using TTF generated font
+*   raylib [textures] example - image text drawing using TTF generated font
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *

examples/textures/textures_logo_raylib.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Texture loading and drawing
+*   raylib [textures] example - texture loading and drawing
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *

examples/textures/textures_mouse_painting.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Mouse painting
+*   raylib [textures] example - mouse painting
 *
 *   Example complexity rating: [★★★☆] 3/4
 *

examples/textures/textures_particles_blending.c

@@ -71,7 +71,7 @@ int main(void)
         // Activate one particle every frame and Update active particles
         // NOTE: Particles initial position should be mouse position when activated
         // NOTE: Particles fall down with gravity and rotation... and disappear after 2 seconds (alpha = 0)
-        // NOTE: When a particle disappears, active = false and it can be reused.
+        // NOTE: When a particle disappears, active = false and it can be reused
         for (int i = 0; i < MAX_PARTICLES; i++)
         {
             if (!mouseTail[i].active)

examples/textures/textures_polygon.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Draw Textured Polygon
+*   raylib [textures] example - draw textured polygon
 *
 *   Example complexity rating: [★☆☆☆] 1/4
 *

examples/textures/textures_raw_data.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Load textures from raw data
+*   raylib [textures] example - load textures from raw data
 *
 *   Example complexity rating: [★★★☆] 3/4
 *

examples/textures/textures_sprite_anim.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Sprite animation
+*   raylib [textures] example - sprite animation
 *
 *   Example complexity rating: [★★☆☆] 2/4
 *

examples/textures/textures_srcrec_dstrec.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Texture source and destination rectangles
+*   raylib [textures] example - texture source and destination rectangles
 *
 *   Example complexity rating: [★★★☆] 3/4
 *

examples/textures/textures_textured_curve.c

@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Draw a texture along a segmented curve
+*   raylib [textures] example - draw texture along segmented curve
 *
 *   Example complexity rating: [★★★☆] 3/4
 *