Added new game: Cat vs Roomba

GGJ2019 game

games/cat_vs_roomba/screens/screen_title.c

@@ -0,0 +1,154 @@
+/**********************************************************************************************
+*
+*   raylib - Advance Game template
+*
+*   Title Screen Functions Definitions (Init, Update, Draw, Unload)
+*
+*   Copyright (c) 2014-2018 Ramon Santamaria (@raysan5)
+*
+*   This software is provided "as-is", without any express or implied warranty. In no event
+*   will the authors be held liable for any damages arising from the use of this software.
+*
+*   Permission is granted to anyone to use this software for any purpose, including commercial
+*   applications, and to alter it and redistribute it freely, subject to the following restrictions:
+*
+*     1. The origin of this software must not be misrepresented; you must not claim that you
+*     wrote the original software. If you use this software in a product, an acknowledgment
+*     in the product documentation would be appreciated but is not required.
+*
+*     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.
+*
+**********************************************************************************************/
+
+#include "raylib.h"
+#include "screens.h"
+
+//----------------------------------------------------------------------------------
+// Global Variables Definition (local to this module)
+//----------------------------------------------------------------------------------
+
+// Title screen global variables
+static int framesCounter;
+static int finishScreen;
+static int state;
+
+static int scrollPositionX;
+
+static int catPosX;
+static int roombaPosX;
+
+static float vsAlpha;
+static float vsScale;
+
+static Texture2D cat;
+static Texture2D vs;
+static Texture2D roomba;
+
+//----------------------------------------------------------------------------------
+// Title Screen Functions Definition
+//----------------------------------------------------------------------------------
+
+// Title Screen Initialization logic
+void InitTitleScreen(void)
+{
+    // TODO: Initialize TITLE screen variables here!
+    framesCounter = 0;
+    finishScreen = 0;
+    
+    cat = LoadTexture("resources/title_cat.png");
+    vs = LoadTexture("resources/title_vs.png");
+    roomba = LoadTexture("resources/title_roomba.png");
+    
+    state = 0;
+    catPosX = 1760;
+    roombaPosX = -700;
+    scrollPositionX = 0;
+    
+    vsAlpha = 0.0f;
+    vsScale = 10.0f;
+    
+    PlayMusicStream(music);
+}
+
+// Title Screen Update logic
+void UpdateTitleScreen(void)
+{
+    scrollPositionX -= 5;
+    if (scrollPositionX < -GetScreenWidth()) scrollPositionX = 0;
+
+    if (state == 0)
+    {
+        catPosX -= 4;
+        roombaPosX += 3;
+        
+        if (catPosX < (GetScreenWidth()/2 - cat.width/2)) catPosX = (GetScreenWidth()/2 - cat.width/2);
+        if (roombaPosX > (GetScreenWidth()/2 - roomba.width/2)) roombaPosX = (GetScreenWidth()/2 - roomba.width/2);
+        
+        if ((catPosX == (GetScreenWidth()/2 - cat.width/2)) && (roombaPosX == (GetScreenWidth()/2 - roomba.width/2))) 
+        {
+            state = 1;
+            framesCounter = 0;
+        }
+    }
+    else if (state == 1)
+    {
+        framesCounter++;
+        
+        vsScale -= 0.1f;
+        vsAlpha += 0.01f;
+        
+        if (vsScale < 1.0f) vsScale = 1.0f;
+        if (vsAlpha > 1.0f) vsAlpha = 1.0f;
+        
+        if (framesCounter > 160)
+        {
+            state = 2;
+            framesCounter = 0;
+        }
+    }
+    else if (state == 2) framesCounter++;
+
+    // Press enter or tap to change to GAMEPLAY screen
+    if (IsKeyPressed(KEY_ENTER) || IsGestureDetected(GESTURE_TAP))
+    {
+        //finishScreen = 1;   // OPTIONS
+        finishScreen = 2;   // GAMEPLAY
+        PlaySound(fxCoin);
+    }
+}
+
+// Title Screen Draw logic
+void DrawTitleScreen(void)
+{
+    for (int i = 0; i < 64*2*2; i++)
+    {
+        DrawRectangle(64*i + scrollPositionX, 0, 64, GetScreenHeight(), (i%2 == 0)? GetColor(0xf3726dff) : GetColor(0xffcf6bff));
+    }
+    
+    DrawTexture(cat, catPosX, 80, WHITE);
+    DrawTexture(roomba, roombaPosX, 320, WHITE);
+    
+    if (state > 0)
+    {
+        DrawTexturePro(vs, (Rectangle){ 0, 0, vs.width, vs.height }, (Rectangle){ GetScreenWidth()/2, 300, vs.width*vsScale, vs.height*vsScale }, (Vector2){ vs.width/2*vsScale, vs.height/2*vsScale }, 0.0f, Fade(WHITE, vsAlpha));
+    }
+
+    if ((state == 2) && ((framesCounter/30)%2)) DrawTextEx(font2, "PRESS ENTER to START", (Vector2){ 340, 550 }, font2.baseSize, 2, WHITE);
+}
+
+// Title Screen Unload logic
+void UnloadTitleScreen(void)
+{
+    UnloadTexture(cat);
+    UnloadTexture(vs);
+    UnloadTexture(roomba);
+}
+
+// Title Screen should finish?
+int FinishTitleScreen(void)
+{
+    return finishScreen;
+}