Review ALL examples

10 files changed, 127 insertions, 133 deletions

diff --git a/examples/shaders/shaders_custom_uniform.c b/examples/shaders/shaders_custom_uniform.c
index 74b9e771..1c82bba2 100644
--- a/examples/shaders/shaders_custom_uniform.c
+++ b/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();
diff --git a/examples/shaders/shaders_eratosthenes.c b/examples/shaders/shaders_eratosthenes.c
index bfe516b5..068fc26c 100644
--- a/examples/shaders/shaders_eratosthenes.c
+++ b/examples/shaders/shaders_eratosthenes.c
@@ -31,7 +31,7 @@
     #define GLSL_VERSION            100
 #endif
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
@@ -46,11 +46,11 @@ int main()
     // NOTE: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader
     Shader shader = LoadShader(0, FormatText("resources/shaders/glsl%i/eratosthenes.fs", GLSL_VERSION));
 
-    SetTargetFPS(60);
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
 
     // Main game loop
-    while (!WindowShouldClose())                // Detect window close button or ESC key
+    while (!WindowShouldClose())    // Detect window close button or ESC key
     {
         // Update
         //----------------------------------------------------------------------------------
@@ -64,7 +64,7 @@ int main()
             ClearBackground(RAYWHITE);
 
             BeginTextureMode(target);   // Enable drawing to texture
-                ClearBackground(BLACK);     // Clear the render texture
+                ClearBackground(BLACK); // Clear the render texture
 
                 // Draw a rectangle in shader mode to be used as shader canvas
                 // NOTE: Rectangle uses font white character texture coordinates,
diff --git a/examples/shaders/shaders_julia_set.c b/examples/shaders/shaders_julia_set.c
index ecaa5b6e..e64b622b 100644
--- a/examples/shaders/shaders_julia_set.c
+++ b/examples/shaders/shaders_julia_set.c
@@ -26,7 +26,7 @@
 
 // A few good julia sets
 const float POINTS_OF_INTEREST[6][2] =
-{ 
+{
     { -0.348827, 0.607167 },
     { -0.786268, 0.169728 },
     { -0.8, 0.156 },
@@ -35,7 +35,7 @@ const float POINTS_OF_INTEREST[6][2] =
     { -0.70176, -0.3842 },
 };
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
@@ -47,16 +47,16 @@ int main()
     // Load julia set shader
     // NOTE: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader
     Shader shader = LoadShader(0, FormatText("resources/shaders/glsl%i/julia_set.fs", GLSL_VERSION));
-    
+
     // c constant to use in z^2 + c
     float c[2] = { POINTS_OF_INTEREST[0][0], POINTS_OF_INTEREST[0][1] };
-    
+
     // Offset and zoom to draw the julia set at. (centered on screen and default size)
     float offset[2] = { -(float)screenWidth/2, -(float)screenHeight/2 };
     float zoom = 1.0f;
-    
+
     Vector2 offsetSpeed = { 0.0f, 0.0f };
-    
+
     // Get variable (uniform) locations on the shader to connect with the program
     // NOTE: If uniform variable could not be found in the shader, function returns -1
     int cLoc = GetShaderLocation(shader, "c");
@@ -64,35 +64,34 @@ int main()
     int offsetLoc = GetShaderLocation(shader, "offset");
 
     // Tell the shader what the screen dimensions, zoom, offset and c are
-    float screenDims[2] = { (float)GetScreenWidth(), (float)GetScreenHeight() };
+    float screenDims[2] = { (float)screenWidth, (float)screenHeight };
     SetShaderValue(shader, GetShaderLocation(shader, "screenDims"), screenDims, UNIFORM_VEC2);
-    
+
     SetShaderValue(shader, cLoc, c, UNIFORM_VEC2);
     SetShaderValue(shader, zoomLoc, &zoom, UNIFORM_FLOAT);
     SetShaderValue(shader, offsetLoc, offset, UNIFORM_VEC2);
 
     // Create a RenderTexture2D to be used for render to texture
     RenderTexture2D target = LoadRenderTexture(screenWidth, screenHeight);
-    
-    int incrementSpeed = 0;     // Multiplier of speed to change c value
-    bool showControls = true;   // Show controls
-    bool pause = false;         // Pause animation
 
-    SetTargetFPS(60);                       // Set the window to run at 60 frames-per-second
+    int incrementSpeed = 0;         // Multiplier of speed to change c value
+    bool showControls = true;       // Show controls
+    bool pause = false;             // Pause animation
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
 
     // Main game loop
-    while (!WindowShouldClose())            // Detect window close button or ESC key
+    while (!WindowShouldClose())    // Detect window close button or ESC key
     {
         // Update
         //----------------------------------------------------------------------------------
-
         // Press [1 - 6] to reset c to a point of interest
-        if (IsKeyPressed(KEY_ONE) || 
-            IsKeyPressed(KEY_TWO) || 
-            IsKeyPressed(KEY_THREE) || 
-            IsKeyPressed(KEY_FOUR) || 
-            IsKeyPressed(KEY_FIVE) || 
+        if (IsKeyPressed(KEY_ONE) ||
+            IsKeyPressed(KEY_TWO) ||
+            IsKeyPressed(KEY_THREE) ||
+            IsKeyPressed(KEY_FOUR) ||
+            IsKeyPressed(KEY_FIVE) ||
             IsKeyPressed(KEY_SIX))
         {
             if (IsKeyPressed(KEY_ONE)) c[0] = POINTS_OF_INTEREST[0][0], c[1] = POINTS_OF_INTEREST[0][1];
@@ -107,7 +106,7 @@ int main()
 
         if (IsKeyPressed(KEY_SPACE)) pause = !pause;                 // Pause animation (c change)
         if (IsKeyPressed(KEY_F1)) showControls = !showControls;  // Toggle whether or not to show controls
-        
+
         if (!pause)
         {
             if (IsKeyPressed(KEY_RIGHT)) incrementSpeed++;
@@ -121,10 +120,10 @@ int main()
                 if (IsMouseButtonDown(MOUSE_RIGHT_BUTTON)) zoom -= zoom*0.003f;
 
                 Vector2 mousePos = GetMousePosition();
-                
+
                 offsetSpeed.x = mousePos.x -(float)screenWidth/2;
                 offsetSpeed.y = mousePos.y -(float)screenHeight/2;
-                
+
                 // Slowly move camera to targetOffset
                 offset[0] += GetFrameTime()*offsetSpeed.x*0.8f;
                 offset[1] += GetFrameTime()*offsetSpeed.y*0.8f;
@@ -148,7 +147,7 @@ int main()
         BeginDrawing();
 
             ClearBackground(BLACK);         // Clear the screen of the previous frame.
-            
+
             // Using a render texture to draw Julia set
             BeginTextureMode(target);       // Enable drawing to texture
                 ClearBackground(BLACK);     // Clear the render texture
@@ -165,7 +164,7 @@ int main()
             BeginShaderMode(shader);
                 DrawTexture(target.texture, 0, 0, WHITE);
             EndShaderMode();
-                
+
             if (showControls)
             {
                 DrawText("Press Mouse buttons right/left to zoom in/out and move", 10, 15, 10, RAYWHITE);
diff --git a/examples/shaders/shaders_model_shader.c b/examples/shaders/shaders_model_shader.c
index 2717c192..8224a337 100644
--- a/examples/shaders/shaders_model_shader.c
+++ b/examples/shaders/shaders_model_shader.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 - model shader");
@@ -45,16 +45,16 @@ int main()
 
     Model model = LoadModel("resources/models/watermill.obj");                   // Load OBJ model
     Texture2D texture = LoadTexture("resources/models/watermill_diffuse.png");   // Load model texture
-    
+
     // Load shader for model
     // NOTE: 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));
 
     model.materials[0].shader = shader;                     // Set shader effect to 3d model
     model.materials[0].maps[MAP_DIFFUSE].texture = texture; // Bind texture to model
-    
+
     Vector3 position = { 0.0f, 0.0f, 0.0f };    // Set model position
-    
+
     SetCameraMode(camera, CAMERA_FREE);         // Set an orbital camera mode
 
     SetTargetFPS(60);                           // Set our game to run at 60 frames-per-second
@@ -81,11 +81,8 @@ int main()
                 DrawGrid(10, 1.0f);     // Draw a grid
 
             EndMode3D();
-            
+
             DrawText("(c) Watermill 3D model by Alberto Cano", screenWidth - 210, screenHeight - 20, 10, GRAY);
-            
-            DrawText(FormatText("Camera position: (%.2f, %.2f, %.2f)", camera.position.x, camera.position.y, camera.position.z), 600, 20, 10, BLACK);
-            DrawText(FormatText("Camera target: (%.2f, %.2f, %.2f)", camera.target.x, camera.target.y, camera.target.z), 600, 40, 10, GRAY);
 
             DrawFPS(10, 10);
 
diff --git a/examples/shaders/shaders_palette_switch.c b/examples/shaders/shaders_palette_switch.c
index 4d651412..6bc27827 100644
--- a/examples/shaders/shaders_palette_switch.c
+++ b/examples/shaders/shaders_palette_switch.c
@@ -69,12 +69,12 @@ static const char *paletteText[] = {
     "RKBV (2-strip film)"

 };

 

-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 - color palette switch");

 

@@ -117,7 +117,7 @@ int main()
 

             BeginShaderMode(shader);

 

-                for (int i = 0; i < COLORS_PER_PALETTE; i++) 

+                for (int i = 0; i < COLORS_PER_PALETTE; i++)

                 {

                     // Draw horizontal screen-wide rectangles with increasing "palette index"

                     // The used palette index is encoded in the RGB components of the pixel

@@ -129,7 +129,7 @@ int main()
             DrawText("< >", 10, 10, 30, DARKBLUE);

             DrawText("CURRENT PALETTE:", 60, 15, 20, RAYWHITE);

             DrawText(paletteText[currentPalette], 300, 15, 20, RED);

-            

+

             DrawFPS(700, 15);

 

         EndDrawing();

diff --git a/examples/shaders/shaders_postprocessing.c b/examples/shaders/shaders_postprocessing.c
index 7c146419..018b8d11 100644
--- a/examples/shaders/shaders_postprocessing.c
+++ b/examples/shaders/shaders_postprocessing.c
@@ -58,31 +58,31 @@ static const char *postproShaderText[] = {
     //"FXAA"
 };
 
-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 - postprocessing shader");
 
     // Define the camera to look into our 3d world
     Camera camera = {{ 2.0f, 3.0f, 2.0f }, { 0.0f, 1.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f, 0 };
-    
+
     Model model = LoadModel("resources/models/church.obj");                 // Load OBJ model
     Texture2D texture = LoadTexture("resources/models/church_diffuse.png"); // Load model texture (diffuse map)
     model.materials[0].maps[MAP_DIFFUSE].texture = texture;                     // Set model diffuse texture
 
     Vector3 position = { 0.0f, 0.0f, 0.0f };                             // Set model position
-    
+
     // Load all postpro shaders
     // NOTE 1: All postpro shader use the base vertex shader (DEFAULT_VERTEX_SHADER)
     // NOTE 2: We load the correct shader depending on GLSL version
     Shader shaders[MAX_POSTPRO_SHADERS];
-    
+
     // NOTE: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader
     shaders[FX_GRAYSCALE] = LoadShader(0, FormatText("resources/shaders/glsl%i/grayscale.fs", GLSL_VERSION));
     shaders[FX_POSTERIZATION] = LoadShader(0, FormatText("resources/shaders/glsl%i/posterization.fs", GLSL_VERSION));
@@ -96,12 +96,12 @@ int main()
     shaders[FX_SOBEL] = LoadShader(0, FormatText("resources/shaders/glsl%i/sobel.fs", GLSL_VERSION));
     shaders[FX_BLOOM] = LoadShader(0, FormatText("resources/shaders/glsl%i/bloom.fs", GLSL_VERSION));
     shaders[FX_BLUR] = LoadShader(0, FormatText("resources/shaders/glsl%i/blur.fs", GLSL_VERSION));
-    
+
     int currentShader = FX_GRAYSCALE;
 
     // 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
 
@@ -114,10 +114,10 @@ int main()
         // Update
         //----------------------------------------------------------------------------------
         UpdateCamera(&camera);              // Update camera
-        
+
         if (IsKeyPressed(KEY_RIGHT)) currentShader++;
         else if (IsKeyPressed(KEY_LEFT)) currentShader--;
-        
+
         if (currentShader >= MAX_POSTPRO_SHADERS) currentShader = 0;
         else if (currentShader < 0) currentShader = MAX_POSTPRO_SHADERS - 1;
         //----------------------------------------------------------------------------------
@@ -129,7 +129,7 @@ int main()
             ClearBackground(RAYWHITE);
 
             BeginTextureMode(target);       // Enable drawing to texture
-            
+
                 ClearBackground(RAYWHITE);  // Clear texture background
 
                 BeginMode3D(camera);        // Begin 3d mode drawing
@@ -139,26 +139,26 @@ int main()
                     DrawGrid(10, 1.0f);     // Draw a grid
 
                 EndMode3D();                // End 3d mode drawing, returns to orthographic 2d mode
-                
+
             EndTextureMode();               // End drawing to texture (now we have a texture available for next passes)
-            
+
             // Render previously generated texture using selected postpro shader
             BeginShaderMode(shaders[currentShader]);
-            
+
                 // 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 2d shapes and text over drawn texture
             DrawRectangle(0, 9, 580, 30, Fade(LIGHTGRAY, 0.7f));
-            
+
             DrawText("(c) Church 3D model by Alberto Cano", screenWidth - 200, screenHeight - 20, 10, GRAY);
-            
+
             DrawText("CURRENT POSTPRO SHADER:", 10, 15, 20, BLACK);
             DrawText(postproShaderText[currentShader], 330, 15, 20, RED);
             DrawText("< >", 540, 10, 30, DARKBLUE);
-            
+
             DrawFPS(700, 15);
 
         EndDrawing();
@@ -167,10 +167,10 @@ int main()
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
-    
+
     // Unload all postpro shaders
     for (int i = 0; i < MAX_POSTPRO_SHADERS; i++) UnloadShader(shaders[i]);
-    
+
     UnloadTexture(texture);         // Unload texture
     UnloadModel(model);             // Unload model
     UnloadRenderTexture(target);    // Unload render texture
diff --git a/examples/shaders/shaders_raymarching.c b/examples/shaders/shaders_raymarching.c
index f68222b5..34091792 100644
--- a/examples/shaders/shaders_raymarching.c
+++ b/examples/shaders/shaders_raymarching.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;
+
     InitWindow(screenWidth, screenHeight, "raylib [shaders] example - raymarching shapes");
 
     Camera camera = { 0 };
@@ -44,7 +44,7 @@ int main()
     // Load raymarching shader
     // NOTE: Defining 0 (NULL) for vertex shader forces usage of internal default vertex shader
     Shader shader = LoadShader(0, FormatText("resources/shaders/glsl%i/raymarching.fs", GLSL_VERSION));
-    
+
     // Get shader locations for required uniforms
     int viewEyeLoc = GetShaderLocation(shader, "viewEye");
     int viewCenterLoc = GetShaderLocation(shader, "viewCenter");
@@ -72,7 +72,7 @@ int main()
         float cameraTarget[3] = { camera.target.x, camera.target.y, camera.target.z };
         float cameraUp[3] = { camera.up.x, camera.up.y, camera.up.z };
 
-        float deltaTime = GetFrameTime();  
+        float deltaTime = GetFrameTime();
         runTime += deltaTime;
 
         // Set shader required uniform values
diff --git a/examples/shaders/shaders_shapes_textures.c b/examples/shaders/shaders_shapes_textures.c
index 5ee5d560..cf53bf99 100644
--- a/examples/shaders/shaders_shapes_textures.c
+++ b/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
     //--------------------------------------------------------------------------------------
 
diff --git a/examples/shaders/shaders_texture_drawing.c b/examples/shaders/shaders_texture_drawing.c
index 3a540098..697000bc 100644
--- a/examples/shaders/shaders_texture_drawing.c
+++ b/examples/shaders/shaders_texture_drawing.c
@@ -21,12 +21,12 @@
     #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 - texture drawing");
 
@@ -41,17 +41,18 @@ int main()
     int timeLoc = GetShaderLocation(shader, "uTime");
     SetShaderValue(shader, timeLoc, &time, UNIFORM_FLOAT);
 
-    SetTargetFPS(60);
-    //--------------------------------------------------------------------------------------
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    // -------------------------------------------------------------------------------------------------------------
 
-    while (!WindowShouldClose())
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
     {
         // Update
         //----------------------------------------------------------------------------------
         time = GetTime();
         SetShaderValue(shader, timeLoc, &time, UNIFORM_FLOAT);
         //----------------------------------------------------------------------------------
-        
+
         // Draw
         //----------------------------------------------------------------------------------
         BeginDrawing();
@@ -61,13 +62,13 @@ int main()
             BeginShaderMode(shader);    // Enable our custom shader for next shapes/textures drawings
                 DrawTexture(texture, 0, 0, WHITE);  // Drawing BLANK texture, all magic happens on shader
             EndShaderMode();            // Disable our custom shader, return to default shader
-            
+
             DrawText("BACKGROUND is PAINTED and ANIMATED on SHADER!", 10, 10, 20, MAROON);
 
         EndDrawing();
         //----------------------------------------------------------------------------------
     }
-    
+
     // De-Initialization
     //--------------------------------------------------------------------------------------
     UnloadShader(shader);
diff --git a/examples/shaders/shaders_texture_waves.c b/examples/shaders/shaders_texture_waves.c
index e0026d36..07186d37 100644
--- a/examples/shaders/shaders_texture_waves.c
+++ b/examples/shaders/shaders_texture_waves.c
@@ -26,10 +26,7 @@
     #define GLSL_VERSION            100
 #endif
 
-// -------------------------------------------------------------------------------------------------------------
-// Main Entry point
-// -------------------------------------------------------------------------------------------------------------
-int main() 
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
@@ -69,13 +66,13 @@ int main()
 	SetShaderValue(shader, speedXLoc, &speedX, UNIFORM_FLOAT);
 	SetShaderValue(shader, speedYLoc, &speedY, UNIFORM_FLOAT);
 
-	float seconds = 0.0f;
-    
-    SetTargetFPS(60);
-	// -------------------------------------------------------------------------------------------------------------
-    
+    float seconds = 0.0f;
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    // -------------------------------------------------------------------------------------------------------------
+
     // Main game loop
-	while (!WindowShouldClose())    // Detect window close button or ESC key
+    while (!WindowShouldClose())    // Detect window close button or ESC key
     {
         // Update
         //----------------------------------------------------------------------------------
@@ -86,9 +83,9 @@ int main()
 
         // Draw
         //----------------------------------------------------------------------------------
-		BeginDrawing();
+        BeginDrawing();
 
-			ClearBackground(RAYWHITE);
+            ClearBackground(RAYWHITE);
 
 			BeginShaderMode(shader);
             
@@ -97,7 +94,7 @@ int main()
                 
 			EndShaderMode();
 
-		EndDrawing();
+        EndDrawing();
         //----------------------------------------------------------------------------------
     }
 
@@ -109,5 +106,5 @@ int main()
     CloseWindow();              // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
 
-	return 0;
+    return 0;
 }