Review ALL examples

examples/shaders/shaders_shapes_textures.c

@@ -24,23 +24,23 @@
     #define GLSL_VERSION            100
 #endif
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [shaders] example - shapes and texture shaders");
-    
+
     Texture2D fudesumi = LoadTexture("resources/fudesumi.png");
 
     // Load shader to be used on some parts drawing
-    // NOTE 1: Using GLSL 330 shader version, on OpenGL ES 2.0 use GLSL 100 shader version 
+    // NOTE 1: Using GLSL 330 shader version, on OpenGL ES 2.0 use GLSL 100 shader version
     // NOTE 2: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader
     Shader shader = LoadShader(0, FormatText("resources/shaders/glsl%i/grayscale.fs", GLSL_VERSION));
 
-    SetTargetFPS(60);
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
 
     // Main game loop
@@ -56,19 +56,19 @@ int main()
         BeginDrawing();
 
             ClearBackground(RAYWHITE);
-            
+
             // Start drawing with default shader
 
             DrawText("USING DEFAULT SHADER", 20, 40, 10, RED);
-            
+
             DrawCircle(80, 120, 35, DARKBLUE);
             DrawCircleGradient(80, 220, 60, GREEN, SKYBLUE);
             DrawCircleLines(80, 340, 80, DARKBLUE);
 
-            
+
             // Activate our custom shader to be applied on next shapes/textures drawings
             BeginShaderMode(shader);
-            
+
                 DrawText("USING CUSTOM SHADER", 190, 40, 10, RED);
 
                 DrawRectangle(250 - 60, 90, 120, 60, RED);
@@ -77,29 +77,29 @@ int main()
 
             // Activate our default shader for next drawings
             EndShaderMode();
-            
+
             DrawText("USING DEFAULT SHADER", 370, 40, 10, RED);
-            
+
             DrawTriangle((Vector2){430, 80},
                          (Vector2){430 - 60, 150},
                          (Vector2){430 + 60, 150}, VIOLET);
-                         
+
             DrawTriangleLines((Vector2){430, 160},
                               (Vector2){430 - 20, 230},
                               (Vector2){430 + 20, 230}, DARKBLUE);
 
             DrawPoly((Vector2){430, 320}, 6, 80, 0, BROWN);
-            
+
             // Activate our custom shader to be applied on next shapes/textures drawings
             BeginShaderMode(shader);
 
                 DrawTexture(fudesumi, 500, -30, WHITE);    // Using custom shader
-            
+
             // Activate our default shader for next drawings
             EndShaderMode();
-            
+
             DrawText("(c) Fudesumi sprite by Eiden Marsal", 380, screenHeight - 20, 10, GRAY);
-            
+
         EndDrawing();
         //----------------------------------------------------------------------------------
     }
@@ -108,7 +108,7 @@ int main()
     //--------------------------------------------------------------------------------------
     UnloadShader(shader);       // Unload shader
     UnloadTexture(fudesumi);    // Unload texture
-    
+
     CloseWindow();              // Close window and OpenGL context
     //--------------------------------------------------------------------------------------