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examples/shaders/shaders_custom_uniform.c

@@ -24,13 +24,13 @@
     #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;
+
     SetConfigFlags(FLAG_MSAA_4X_HINT);      // Enable Multi Sampling Anti Aliasing 4x (if available)
 
     InitWindow(screenWidth, screenHeight, "raylib [shaders] example - custom uniform variable");
@@ -48,20 +48,20 @@ int main()
     model.materials[0].maps[MAP_DIFFUSE].texture = texture;                     // Set model diffuse texture
 
     Vector3 position = { 0.0f, 0.0f, 0.0f };                                    // Set model position
-    
+
     // Load postprocessing shader
     // NOTE: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader
     Shader shader = LoadShader(0, FormatText("resources/shaders/glsl%i/swirl.fs", GLSL_VERSION));
-    
+
     // Get variable (uniform) location on the shader to connect with the program
     // NOTE: If uniform variable could not be found in the shader, function returns -1
     int swirlCenterLoc = GetShaderLocation(shader, "center");
-    
+
     float swirlCenter[2] = { (float)screenWidth/2, (float)screenHeight/2 };
-    
+
     // Create a RenderTexture2D to be used for render to texture
     RenderTexture2D target = LoadRenderTexture(screenWidth, screenHeight);
-    
+
     // Setup orbital camera
     SetCameraMode(camera, CAMERA_ORBITAL);  // Set an orbital camera mode
 
@@ -80,7 +80,7 @@ int main()
 
         // Send new value to the shader to be used on drawing
         SetShaderValue(shader, swirlCenterLoc, swirlCenter, UNIFORM_VEC2);
-        
+
         UpdateCamera(&camera);              // Update camera
         //----------------------------------------------------------------------------------
 
@@ -89,9 +89,9 @@ int main()
         BeginDrawing();
 
             ClearBackground(RAYWHITE);
-            
+
             BeginTextureMode(target);       // Enable drawing to texture
-            
+
                 ClearBackground(RAYWHITE);  // Clear texture background
 
                 BeginMode3D(camera);        // Begin 3d mode drawing
@@ -101,21 +101,21 @@ int main()
                     DrawGrid(10, 1.0f);     // Draw a grid
 
                 EndMode3D();                // End 3d mode drawing, returns to orthographic 2d mode
-                
+
                 DrawText("TEXT DRAWN IN RENDER TEXTURE", 200, 10, 30, RED);
-            
+
             EndTextureMode();               // End drawing to texture (now we have a texture available for next passes)
-            
+
             BeginShaderMode(shader);
-            
+
                 // NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
                 DrawTextureRec(target.texture, (Rectangle){ 0, 0, target.texture.width, -target.texture.height }, (Vector2){ 0, 0 }, WHITE);
-            
+
             EndShaderMode();
-            
+
             // Draw some 2d text over drawn texture
             DrawText("(c) Barracks 3D model by Alberto Cano", screenWidth - 220, screenHeight - 20, 10, GRAY);
-            
+
             DrawFPS(10, 10);
 
         EndDrawing();