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REXM: RENAME: example: core_input_gestures_web --> core_input_gestures_testbed

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Ray
2025-09-04 15:59:53 +02:00
parent c17f82a78c
commit e21093d434
7 changed files with 121 additions and 116 deletions
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221
examples/core/core_input_gestures_web.c → examples/core/core_input_gestures_testbed.c
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@ -17,91 +17,97 @@
#include "raylib.h"
#include "math.h" // Required for the protractor angle graphic drawing
#include <math.h> // Required for the protractor angle graphic drawing
#if defined(PLATFORM_WEB)
#include <emscripten/emscripten.h> // Required for the Web/HTML5
#endif
//--------------------------------------------------------------------------------------
// Global definitions and declarations
//--------------------------------------------------------------------------------------
#define GESTURE_LOG_SIZE 20
#define MAX_TOUCH_COUNT 32
// Common variables definitions
//--------------------------------------------------------------------------------------
int screenWidth = 800; // Update depending on web canvas
const int screenHeight = 450;
Vector2 messagePosition = { 160, 7 };
// Global Variables Definition
//--------------------------------------------------------------------------------------
static int screenWidth = 800; // Update depending on web canvas
static const int screenHeight = 450;
static Vector2 messagePosition = { 160, 7 };
// Last gesture variables definitions
//--------------------------------------------------------------------------------------
int lastGesture = 0;
Vector2 lastGesturePosition = { 165, 130 };
static int lastGesture = 0;
static Vector2 lastGesturePosition = { 165, 130 };
// Gesture log variables definitions and functions declarations
//--------------------------------------------------------------------------------------
#define GESTURE_LOG_SIZE 20
char gestureLog[GESTURE_LOG_SIZE][12] = { "" }; // The gesture log uses an array (as an inverted circular queue) to store the performed gestures
int gestureLogIndex = GESTURE_LOG_SIZE; // The index for the inverted circular queue (moving from last to first direction, then looping around)
int previousGesture = 0;
// Gesture log variables definitions
// NOTE: The gesture log uses an array (as an inverted circular queue) to store the performed gestures
static char gestureLog[GESTURE_LOG_SIZE][12] = { "" };
// NOTE: The index for the inverted circular queue (moving from last to first direction, then looping around)
static int gestureLogIndex = GESTURE_LOG_SIZE;
static int previousGesture = 0;
char const *GetGestureName(int i)
{
switch (i) {
case 0: return "None"; break;
case 1: return "Tap"; break;
case 2: return "Double Tap"; break;
case 4: return "Hold"; break;
case 8: return "Drag"; break;
case 16: return "Swipe Right"; break;
case 32: return "Swipe Left"; break;
case 64: return "Swipe Up"; break;
case 128: return "Swipe Down"; break;
case 256: return "Pinch In"; break;
case 512: return "Pinch Out"; break;
default: return "Unknown"; break;
}
}
// Log mode values:
// - 0 shows repeated events
// - 1 hides repeated events
// - 2 shows repeated events but hide hold events
// - 3 hides repeated events and hide hold events
static int logMode = 1;
Color GetGestureColor(int i)
{
switch (i) {
case 0: return BLACK; break;
case 1: return BLUE; break;
case 2: return SKYBLUE; break;
case 4: return BLACK; break;
case 8: return LIME; break;
case 16: return RED; break;
case 32: return RED; break;
case 64: return RED; break;
case 128: return RED; break;
case 256: return VIOLET; break;
case 512: return ORANGE; break;
default: return BLACK; break;
}
}
int logMode = 1; // Log mode values: 0 shows repeated events; 1 hides repeated events; 2 shows repeated events but hide hold events; 3 hides repeated events and hide hold events
Color gestureColor = { 0, 0, 0, 255 };
Rectangle logButton1 = { 53, 7, 48, 26 };
Rectangle logButton2 = { 108, 7, 36, 26 };
Vector2 gestureLogPosition = { 10, 10 };
static Color gestureColor = { 0, 0, 0, 255 };
static Rectangle logButton1 = { 53, 7, 48, 26 };
static Rectangle logButton2 = { 108, 7, 36, 26 };
static Vector2 gestureLogPosition = { 10, 10 };
// Protractor variables definitions
//--------------------------------------------------------------------------------------
float angleLength = 90.0f;
float currentAngleDegrees = 0.0f;
Vector2 finalVector = { 0.0f, 0.0f };
char currentAngleStr[7] = "";
Vector2 protractorPosition = { 266.0f, 315.0f };
static float angleLength = 90.0f;
static float currentAngleDegrees = 0.0f;
static Vector2 finalVector = { 0.0f, 0.0f };
static char currentAngleStr[7] = "";
static Vector2 protractorPosition = { 266.0f, 315.0f };
// Update
//--------------------------------------------------------------------------------------
void Update(void)
//----------------------------------------------------------------------------------
// Module Functions Declaration
//----------------------------------------------------------------------------------
static void UpdateDrawFrame(void); // Update and Draw one frame
static char const *GetGestureName(int i);
static Color GetGestureColor(int i);
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
{
// Handle common
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [core] example - input gestures testbed");
#if defined(PLATFORM_WEB)
emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
#else
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
UpdateDrawFrame();
}
#endif
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}
//----------------------------------------------------------------------------------
// Module Functions Definition
//----------------------------------------------------------------------------------
static void UpdateDrawFrame(void)
{
// Update
//--------------------------------------------------------------------------------------
// Handle common gestures data
int i, ii; // Iterators that will be reused by all for loops
const int currentGesture = GetGestureDetected();
const float currentDragDegrees = GetGestureDragAngle();
@ -109,11 +115,10 @@ void Update(void)
const int touchCount = GetTouchPointCount();
// Handle last gesture
//--------------------------------------------------------------------------------------
if ((currentGesture != 0) && (currentGesture != 4) && (currentGesture != previousGesture)) lastGesture = currentGesture; // Filter the meaningful gestures (1, 2, 8 to 512) for the display
if ((currentGesture != 0) && (currentGesture != 4) && (currentGesture != previousGesture))
lastGesture = currentGesture; // Filter the meaningful gestures (1, 2, 8 to 512) for the display
// Handle gesture log
//--------------------------------------------------------------------------------------
if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT))
{
if (CheckCollisionPointRec(GetMousePosition(), logButton1))
@ -171,7 +176,6 @@ void Update(void)
}
// Handle protractor
//--------------------------------------------------------------------------------------
if (currentGesture > 255) // aka Pinch In and Pinch Out
{
currentAngleDegrees = currentPitchDegrees;
@ -189,9 +193,6 @@ void Update(void)
finalVector = (Vector2){ (angleLength*sinf(currentAngleRadians)) + protractorPosition.x, (angleLength*cosf(currentAngleRadians)) + protractorPosition.y }; // Calculate the final vector for display
// Handle touch and mouse pointer points
//--------------------------------------------------------------------------------------
#define MAX_TOUCH_COUNT 32
Vector2 touchPosition[MAX_TOUCH_COUNT] = { 0 };
Vector2 mousePosition = {0, 0};
if (currentGesture != GESTURE_NONE)
@ -202,22 +203,20 @@ void Update(void)
}
else mousePosition = GetMousePosition();
}
//--------------------------------------------------------------------------------------
// Draw
//--------------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
// Draw common
//--------------------------------------------------------------------------------------
// Draw common elements
DrawText("*", messagePosition.x + 5, messagePosition.y + 5, 10, BLACK);
DrawText("Example optimized for Web/HTML5\non Smartphones with Touch Screen.", messagePosition.x + 15, messagePosition.y + 5, 10, BLACK);
DrawText("*", messagePosition.x + 5, messagePosition.y + 35, 10, BLACK);
DrawText("While running on Desktop Web Browsers,\ninspect and turn on Touch Emulation.", messagePosition.x + 15, messagePosition.y + 35, 10, BLACK);
// Draw last gesture
//--------------------------------------------------------------------------------------
DrawText("Last gesture", lastGesturePosition.x + 33, lastGesturePosition.y - 47, 20, BLACK);
DrawText("Swipe Tap Pinch Touch", lastGesturePosition.x + 17, lastGesturePosition.y - 18, 10, BLACK);
DrawRectangle(lastGesturePosition.x + 20, lastGesturePosition.y, 20, 20, lastGesture == GESTURE_SWIPE_UP ? RED : LIGHTGRAY);
@ -235,7 +234,6 @@ void Update(void)
for (i = 0; i < 4; i++) DrawCircle(lastGesturePosition.x + 180, lastGesturePosition.y + 7 + i*15, 5, touchCount <= i? LIGHTGRAY : gestureColor);
// Draw gesture log
//--------------------------------------------------------------------------------------
DrawText("Log", gestureLogPosition.x, gestureLogPosition.y, 20, BLACK);
// Loop in both directions to print the gesture log array in the inverted order (and looping around if the index started somewhere in the middle)
@ -256,7 +254,6 @@ void Update(void)
DrawText("Hold", logButton1.x + 62, logButton1.y + 13, 10, WHITE);
// Draw protractor
//--------------------------------------------------------------------------------------
DrawText("Angle", protractorPosition.x + 55, protractorPosition.y + 76, 10, BLACK);
const char *angleString = TextFormat("%f", currentAngleDegrees);
const int angleStringDot = TextFindIndex(angleString, ".");
@ -278,7 +275,6 @@ void Update(void)
if (currentAngleDegrees != 0.0f) DrawLineEx(protractorPosition, finalVector, 3.0f, gestureColor);
// Draw touch and mouse pointer points
//--------------------------------------------------------------------------------------
if (currentGesture != GESTURE_NONE)
{
if ( touchCount != 0 )
@ -300,33 +296,42 @@ void Update(void)
EndDrawing();
//--------------------------------------------------------------------------------------
}
//------------------------------------------------------------------------------------
// Program main entry point
//------------------------------------------------------------------------------------
int main(void)
static char const *GetGestureName(int i)
{
// Initialization
//--------------------------------------------------------------------------------------
InitWindow(screenWidth, screenHeight, "raylib [core] example - input gestures web");
//--------------------------------------------------------------------------------------
// Main game loop
//--------------------------------------------------------------------------------------
#if defined(PLATFORM_WEB)
emscripten_set_main_loop(Update, 0, 1);
#else
SetTargetFPS(60);
while (!WindowShouldClose()) Update(); // Detect window close button or ESC key
#endif
//--------------------------------------------------------------------------------------
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
switch (i)
{
case 0: return "None"; break;
case 1: return "Tap"; break;
case 2: return "Double Tap"; break;
case 4: return "Hold"; break;
case 8: return "Drag"; break;
case 16: return "Swipe Right"; break;
case 32: return "Swipe Left"; break;
case 64: return "Swipe Up"; break;
case 128: return "Swipe Down"; break;
case 256: return "Pinch In"; break;
case 512: return "Pinch Out"; break;
default: return "Unknown"; break;
}
}
static Color GetGestureColor(int i)
{
switch (i)
{
case 0: return BLACK; break;
case 1: return BLUE; break;
case 2: return SKYBLUE; break;
case 4: return BLACK; break;
case 8: return LIME; break;
case 16: return RED; break;
case 32: return RED; break;
case 64: return RED; break;
case 128: return RED; break;
case 256: return VIOLET; break;
case 512: return ORANGE; break;
default: return BLACK; break;
}
}

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examples/core/core_input_gestures_web.png → examples/core/core_input_gestures_testbed.png
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