Review contributed examples

1 files changed, 64 insertions, 71 deletions

diff --git a/examples/textures/textures_blend_modes.c b/examples/textures/textures_blend_modes.c
index bb19f56c..2d9b0af9 100644
--- a/examples/textures/textures_blend_modes.c
+++ b/examples/textures/textures_blend_modes.c
@@ -4,9 +4,11 @@
 *
 *   NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
 *
-*   This example has been created using raylib 3.0 (www.raylib.com)
+*   This example has been created using raylib 3.5 (www.raylib.com)
 *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
 *
+*   Example contributed by Karlo Licudine (@accidentalrebel) and reviewed by Ramon Santamaria (@raysan5)
+*
 *   Copyright (c) 2020 Karlo Licudine (@accidentalrebel)
 *
 ********************************************************************************************/
@@ -15,86 +17,77 @@
 
 int main(void)
 {
-	// Initialization
-	//--------------------------------------------------------------------------------------
-	const int screenWidth = 800;
-	const int screenHeight = 450;
-
-	InitWindow(screenWidth, screenHeight, "raylib [textures] example - blend modes");
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
-	// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
-	Image bgImage = LoadImage("resources/cyberpunk_street_background.png");     // Loaded in CPU memory (RAM)
-	Texture2D bgTexture = LoadTextureFromImage(bgImage);          // Image converted to texture, GPU memory (VRAM)
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - blend modes");
 
-	Image fgImage = LoadImage("resources/cyberpunk_street_foreground.png");     // Loaded in CPU memory (RAM)
-	Texture2D fgTexture = LoadTextureFromImage(fgImage);          // Image converted to texture, GPU memory (VRAM)
+    // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+    Image bgImage = LoadImage("resources/cyberpunk_street_background.png");     // Loaded in CPU memory (RAM)
+    Texture2D bgTexture = LoadTextureFromImage(bgImage);          // Image converted to texture, GPU memory (VRAM)
 
-	// Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
-	UnloadImage(bgImage);   
-	UnloadImage(fgImage);
+    Image fgImage = LoadImage("resources/cyberpunk_street_foreground.png");     // Loaded in CPU memory (RAM)
+    Texture2D fgTexture = LoadTextureFromImage(fgImage);          // Image converted to texture, GPU memory (VRAM)
 
-	const int blendCountMax = 4;
-	BlendMode blendMode = 0;
-	
-	// Main game loop
-	while (!WindowShouldClose())    // Detect window close button or ESC key
-	{
-		// Update
-		//----------------------------------------------------------------------------------
-		int key = GetKeyPressed();
-		if ((key >= 32) && (key <= 126))
-		{
-			if ( blendMode >= blendCountMax - 1 )
-				blendMode = 0;
-			else
-				blendMode++;
-		}
-		
-		// Draw
-		//----------------------------------------------------------------------------------
-		BeginDrawing();
+    // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
+    UnloadImage(bgImage);   
+    UnloadImage(fgImage);
 
-		ClearBackground(RAYWHITE);
+    const int blendCountMax = 4;
+    BlendMode blendMode = 0;
+    
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsKeyPressed(KEY_SPACE))
+        {
+            if (blendMode >= (blendCountMax - 1)) blendMode = 0;
+            else blendMode++;
+        }
+        //----------------------------------------------------------------------------------
+        
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
 
-		BeginBlendMode(BLEND_ALPHA);
-		DrawTexture(bgTexture, screenWidth/2 - bgTexture.width/2, screenHeight/2 - bgTexture.height/2, WHITE);
+            ClearBackground(RAYWHITE);
 
-		// Apply the blend mode and then draw the foreground texture
-		BeginBlendMode(blendMode);
-		DrawTexture(fgTexture, screenWidth/2 - fgTexture.width/2, screenHeight/2 - fgTexture.height/2, WHITE);
+            DrawTexture(bgTexture, screenWidth/2 - bgTexture.width/2, screenHeight/2 - bgTexture.height/2, WHITE);
 
-		EndBlendMode();
+            // Apply the blend mode and then draw the foreground texture
+            BeginBlendMode(blendMode);
+                DrawTexture(fgTexture, screenWidth/2 - fgTexture.width/2, screenHeight/2 - fgTexture.height/2, WHITE);
+            EndBlendMode();
 
-		// Draw the texts
-		DrawText("Press any key to change blend modes.", 310, 350, 10, GRAY);
-		switch ( blendMode )
-		{
-		 case BLEND_ALPHA:
-			 DrawText("Current: BLEND_ALPHA", (screenWidth / 2) - 60, 370, 10, GRAY);
-			 break;
-		 case BLEND_ADDITIVE:
-			 DrawText("Current: BLEND_ADDITIVE", (screenWidth / 2) - 60, 370, 10, GRAY);
-			 break;
-		 case BLEND_MULTIPLIED:
-			 DrawText("Current: BLEND_MULTIPLIED", (screenWidth / 2) - 60, 370, 10, GRAY);
-			 break;
-		 case BLEND_ADD_COLORS:
-			 DrawText("Current: BLEND_ADD_COLORS", (screenWidth / 2) - 60, 370, 10, GRAY);
-			 break;
-		}
-		DrawText("(c) Cyberpunk Street Environment by Luis Zuno (@ansimuz)", screenWidth - 330, screenHeight - 20, 10, GRAY);
+            // Draw the texts
+            DrawText("Press SPACE to change blend modes.", 310, 350, 10, GRAY);
+            
+            switch (blendMode)
+            {
+                case BLEND_ALPHA: DrawText("Current: BLEND_ALPHA", (screenWidth / 2) - 60, 370, 10, GRAY); break;
+                case BLEND_ADDITIVE: DrawText("Current: BLEND_ADDITIVE", (screenWidth / 2) - 60, 370, 10, GRAY); break;
+                case BLEND_MULTIPLIED: DrawText("Current: BLEND_MULTIPLIED", (screenWidth / 2) - 60, 370, 10, GRAY); break;
+                case BLEND_ADD_COLORS: DrawText("Current: BLEND_ADD_COLORS", (screenWidth / 2) - 60, 370, 10, GRAY); break;
+                default: break;
+            }
+            
+            DrawText("(c) Cyberpunk Street Environment by Luis Zuno (@ansimuz)", screenWidth - 330, screenHeight - 20, 10, GRAY);
 
-		EndDrawing();
-		//----------------------------------------------------------------------------------
-	}
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
 
-	// De-Initialization
-	//--------------------------------------------------------------------------------------
-	UnloadTexture(fgTexture); // Unload foreground texture
-	UnloadTexture(bgTexture); // Unload background texture
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(fgTexture); // Unload foreground texture
+    UnloadTexture(bgTexture); // Unload background texture
 
-	CloseWindow();            // Close window and OpenGL context
-	//--------------------------------------------------------------------------------------
-	
-	return 0;
+    CloseWindow();            // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+    
+    return 0;
 }