Merge pull request #1 from raysan5/master

Update

30 files changed, 592 insertions, 165 deletions

diff --git a/examples/textures/resources/boom.wav b/examples/textures/resources/boom.wav
new file mode 100644
index 00000000..fd18137d
--- /dev/null
+++ b/examples/textures/resources/boom.wav
diff --git a/examples/textures/resources/button.png b/examples/textures/resources/button.png
new file mode 100644
index 00000000..54609e23
--- /dev/null
+++ b/examples/textures/resources/button.png
diff --git a/examples/textures/resources/buttonfx.wav b/examples/textures/resources/buttonfx.wav
new file mode 100644
index 00000000..7d161ad7
--- /dev/null
+++ b/examples/textures/resources/buttonfx.wav
diff --git a/examples/textures/resources/cyberpunk_street_background.png b/examples/textures/resources/cyberpunk_street_background.png
new file mode 100644
index 00000000..624a4b14
--- /dev/null
+++ b/examples/textures/resources/cyberpunk_street_background.png
diff --git a/examples/textures/resources/cyberpunk_street_foreground.png b/examples/textures/resources/cyberpunk_street_foreground.png
new file mode 100644
index 00000000..fb622db6
--- /dev/null
+++ b/examples/textures/resources/cyberpunk_street_foreground.png
diff --git a/examples/textures/resources/cyberpunk_street_midground.png b/examples/textures/resources/cyberpunk_street_midground.png
new file mode 100644
index 00000000..643a85e7
--- /dev/null
+++ b/examples/textures/resources/cyberpunk_street_midground.png
diff --git a/examples/textures/resources/explosion.png b/examples/textures/resources/explosion.png
new file mode 100644
index 00000000..46f98504
--- /dev/null
+++ b/examples/textures/resources/explosion.png
diff --git a/examples/textures/resources/wabbit_alpha.png b/examples/textures/resources/wabbit_alpha.png
new file mode 100644
index 00000000..1a5eb0b4
--- /dev/null
+++ b/examples/textures/resources/wabbit_alpha.png
diff --git a/examples/textures/textures_background_scrolling.c b/examples/textures/textures_background_scrolling.c
new file mode 100644
index 00000000..c2e5ac80
--- /dev/null
+++ b/examples/textures/textures_background_scrolling.c
@@ -0,0 +1,87 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - Background scrolling
+*
+*   This example has been created using raylib 2.0 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2019 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - background scrolling");
+
+    // NOTE: Be careful, background width must be equal or bigger than screen width
+    // if not, texture should be draw more than two times for scrolling effect
+    Texture2D background = LoadTexture("resources/cyberpunk_street_background.png");
+    Texture2D midground = LoadTexture("resources/cyberpunk_street_midground.png");
+    Texture2D foreground = LoadTexture("resources/cyberpunk_street_foreground.png");
+
+    float scrollingBack = 0.0f;
+    float scrollingMid = 0.0f;
+    float scrollingFore = 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
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        scrollingBack -= 0.1f;
+        scrollingMid -= 0.5f;
+        scrollingFore -= 1.0f;
+
+        // NOTE: Texture is scaled twice its size, so it sould be considered on scrolling
+        if (scrollingBack <= -background.width*2) scrollingBack = 0;
+        if (scrollingMid <= -midground.width*2) scrollingMid = 0;
+        if (scrollingFore <= -foreground.width*2) scrollingFore = 0;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(GetColor(0x052c46ff));
+
+            // Draw background image twice
+            // NOTE: Texture is scaled twice its size
+            DrawTextureEx(background, (Vector2){ scrollingBack, 20 }, 0.0f, 2.0f, WHITE);
+            DrawTextureEx(background, (Vector2){ background.width*2 + scrollingBack, 20 }, 0.0f, 2.0f, WHITE);
+
+            // Draw midground image twice
+            DrawTextureEx(midground, (Vector2){ scrollingMid, 20 }, 0.0f, 2.0f, WHITE);
+            DrawTextureEx(midground, (Vector2){ midground.width*2 + scrollingMid, 20 }, 0.0f, 2.0f, WHITE);
+
+            // Draw foreground image twice
+            DrawTextureEx(foreground, (Vector2){ scrollingFore, 70 }, 0.0f, 2.0f, WHITE);
+            DrawTextureEx(foreground, (Vector2){ foreground.width*2 + scrollingFore, 70 }, 0.0f, 2.0f, WHITE);
+
+            DrawText("BACKGROUND SCROLLING & PARALLAX", 10, 10, 20, RED);
+            DrawText("(c) Cyberpunk Street Environment by Luis Zuno (@ansimuz)", screenWidth - 330, screenHeight - 20, 10, RAYWHITE);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(background);  // Unload background texture
+    UnloadTexture(midground);   // Unload midground texture
+    UnloadTexture(foreground);  // Unload foreground texture
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
\ No newline at end of file
diff --git a/examples/textures/textures_background_scrolling.png b/examples/textures/textures_background_scrolling.png
new file mode 100644
index 00000000..d21e269d
--- /dev/null
+++ b/examples/textures/textures_background_scrolling.png
diff --git a/examples/textures/textures_bunnymark.c b/examples/textures/textures_bunnymark.c
new file mode 100644
index 00000000..784417d2
--- /dev/null
+++ b/examples/textures/textures_bunnymark.c
@@ -0,0 +1,120 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - Bunnymark
+*
+*   This example has been created using raylib 1.6 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2014-2019 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#include <stdlib.h>                 // Required for: malloc(), free()
+
+#define MAX_BUNNIES       100000    // 100K bunnies limit
+
+// This is the maximum amount of elements (quads) per batch
+// NOTE: This value is defined in [rlgl] module and can be changed there
+#define MAX_BATCH_ELEMENTS  8192
+
+typedef struct Bunny {
+    Vector2 position;
+    Vector2 speed;
+    Color color;
+} Bunny;
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - bunnymark");
+
+    // Load bunny texture
+    Texture2D texBunny = LoadTexture("resources/wabbit_alpha.png");
+
+    Bunny *bunnies = (Bunny *)malloc(MAX_BUNNIES*sizeof(Bunny));    // Bunnies array
+
+    int bunniesCount = 0;           // Bunnies counter
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsMouseButtonDown(MOUSE_LEFT_BUTTON))
+        {
+            // Create more bunnies
+            for (int i = 0; i < 100; i++)
+            {
+                if (bunniesCount < MAX_BUNNIES)
+                {
+                    bunnies[bunniesCount].position = GetMousePosition();
+                    bunnies[bunniesCount].speed.x = (float)GetRandomValue(-250, 250)/60.0f;
+                    bunnies[bunniesCount].speed.y = (float)GetRandomValue(-250, 250)/60.0f;
+                    bunnies[bunniesCount].color = (Color){ GetRandomValue(50, 240),
+                                                       GetRandomValue(80, 240),
+                                                       GetRandomValue(100, 240), 255 };
+                    bunniesCount++;
+                }
+            }
+        }
+
+        // Update bunnies
+        for (int i = 0; i < bunniesCount; i++)
+        {
+            bunnies[i].position.x += bunnies[i].speed.x;
+            bunnies[i].position.y += bunnies[i].speed.y;
+
+            if (((bunnies[i].position.x + texBunny.width/2) > GetScreenWidth()) ||
+                ((bunnies[i].position.x + texBunny.width/2) < 0)) bunnies[i].speed.x *= -1;
+            if (((bunnies[i].position.y + texBunny.height/2) > GetScreenHeight()) ||
+                ((bunnies[i].position.y + texBunny.height/2 - 40) < 0)) bunnies[i].speed.y *= -1;
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            for (int i = 0; i < bunniesCount; i++)
+            {
+                // NOTE: When internal batch buffer limit is reached (MAX_BATCH_ELEMENTS),
+                // a draw call is launched and buffer starts being filled again;
+                // before issuing a draw call, updated vertex data from internal CPU buffer is send to GPU...
+                // Process of sending data is costly and it could happen that GPU data has not been completely
+                // processed for drawing while new data is tried to be sent (updating current in-use buffers)
+                // it could generates a stall and consequently a frame drop, limiting the number of drawn bunnies
+                DrawTexture(texBunny, bunnies[i].position.x, bunnies[i].position.y, bunnies[i].color);
+            }
+
+            DrawRectangle(0, 0, screenWidth, 40, BLACK);
+            DrawText(FormatText("bunnies: %i", bunniesCount), 120, 10, 20, GREEN);
+            DrawText(FormatText("batched draw calls: %i", 1 + bunniesCount/MAX_BATCH_ELEMENTS), 320, 10, 20, MAROON);
+
+            DrawFPS(10, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    free(bunnies);              // Unload bunnies data array
+
+    UnloadTexture(texBunny);    // Unload bunny texture
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
diff --git a/examples/textures/textures_bunnymark.png b/examples/textures/textures_bunnymark.png
new file mode 100644
index 00000000..4431ccec
--- /dev/null
+++ b/examples/textures/textures_bunnymark.png
diff --git a/examples/textures/textures_image_drawing.c b/examples/textures/textures_image_drawing.c
index b179612d..f5c3c85d 100644
--- a/examples/textures/textures_image_drawing.c
+++ b/examples/textures/textures_image_drawing.c
@@ -13,12 +13,12 @@
 
 #include "raylib.h"
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - image drawing");
 
@@ -28,26 +28,26 @@ int main()
     ImageCrop(&cat, (Rectangle){ 100, 10, 280, 380 });      // Crop an image piece
     ImageFlipHorizontal(&cat);                              // Flip cropped image horizontally
     ImageResize(&cat, 150, 200);                            // Resize flipped-cropped image
-    
+
     Image parrots = LoadImage("resources/parrots.png");     // Load image in CPU memory (RAM)
-    
+
     // Draw one image over the other with a scaling of 1.5f
     ImageDraw(&parrots, cat, (Rectangle){ 0, 0, cat.width, cat.height }, (Rectangle){ 30, 40, cat.width*1.5f, cat.height*1.5f });
     ImageCrop(&parrots, (Rectangle){ 0, 50, parrots.width, parrots.height - 100 }); // Crop resulting image
-    
+
     UnloadImage(cat);       // Unload image from RAM
-    
+
     // Load custom font for frawing on image
     Font font = LoadFont("resources/custom_jupiter_crash.png");
-    
+
     // Draw over image using custom font
     ImageDrawTextEx(&parrots, (Vector2){ 300, 230 }, font, "PARROTS & CAT", font.baseSize, -2, WHITE);
-    
+
     UnloadFont(font); // Unload custom spritefont (already drawn used on image)
 
     Texture2D texture = LoadTextureFromImage(parrots);      // Image converted to texture, uploaded to GPU memory (VRAM)
     UnloadImage(parrots);   // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
-    
+
     SetTargetFPS(60);
     //---------------------------------------------------------------------------------------
 
diff --git a/examples/textures/textures_image_generation.c b/examples/textures/textures_image_generation.c
index b9608c89..0bb10583 100644
--- a/examples/textures/textures_image_generation.c
+++ b/examples/textures/textures_image_generation.c
@@ -13,12 +13,12 @@
 
 #define NUM_TEXTURES  7      // Currently we have 7 generation algorithms
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - procedural images generation");
 
@@ -30,7 +30,8 @@ int main()
     Image perlinNoise = GenImagePerlinNoise(screenWidth, screenHeight, 50, 50, 4.0f);
     Image cellular = GenImageCellular(screenWidth, screenHeight, 32);
 
-    Texture2D textures[NUM_TEXTURES];
+    Texture2D textures[NUM_TEXTURES] = { 0 };
+
     textures[0] = LoadTextureFromImage(verticalGradient);
     textures[1] = LoadTextureFromImage(horizontalGradient);
     textures[2] = LoadTextureFromImage(radialGradient);
@@ -38,7 +39,7 @@ int main()
     textures[4] = LoadTextureFromImage(whiteNoise);
     textures[5] = LoadTextureFromImage(perlinNoise);
     textures[6] = LoadTextureFromImage(cellular);
-    
+
     // Unload image data (CPU RAM)
     UnloadImage(verticalGradient);
     UnloadImage(horizontalGradient);
@@ -49,10 +50,10 @@ int main()
     UnloadImage(cellular);
 
     int currentTexture = 0;
-    
+
     SetTargetFPS(60);
     //---------------------------------------------------------------------------------------
-    
+
     // Main game loop
     while (!WindowShouldClose())
     {
@@ -67,15 +68,15 @@ int main()
         // Draw
         //----------------------------------------------------------------------------------
         BeginDrawing();
-        
+
             ClearBackground(RAYWHITE);
-            
+
             DrawTexture(textures[currentTexture], 0, 0, WHITE);
-            
+
             DrawRectangle(30, 400, 325, 30, Fade(SKYBLUE, 0.5f));
             DrawRectangleLines(30, 400, 325, 30, Fade(WHITE, 0.5f));
             DrawText("MOUSE LEFT BUTTON to CYCLE PROCEDURAL TEXTURES", 40, 410, 10, WHITE);
-            
+
             switch(currentTexture)
             {
                 case 0: DrawText("VERTICAL GRADIENT", 560, 10, 20, RAYWHITE); break;
@@ -87,19 +88,19 @@ int main()
                 case 6: DrawText("CELLULAR", 670, 10, 20, RAYWHITE); break;
                 default: break;
             }
-            
+
         EndDrawing();
         //----------------------------------------------------------------------------------
     }
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
-       
+
     // Unload textures data (GPU VRAM)
     for (int i = 0; i < NUM_TEXTURES; i++) UnloadTexture(textures[i]);
-    
+
     CloseWindow();                // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-    
+
     return 0;
 }
diff --git a/examples/textures/textures_image_loading.c b/examples/textures/textures_image_loading.c
index 54c73586..265cab44 100644
--- a/examples/textures/textures_image_loading.c
+++ b/examples/textures/textures_image_loading.c
@@ -13,12 +13,12 @@
 
 #include "raylib.h"
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - image loading");
 
diff --git a/examples/textures/textures_image_npatch.png b/examples/textures/textures_image_npatch.png
deleted file mode 100644
index 5258811b..00000000
--- a/examples/textures/textures_image_npatch.png
+++ /dev/null
diff --git a/examples/textures/textures_image_processing.c b/examples/textures/textures_image_processing.c
index 6d33d95b..14442290 100644
--- a/examples/textures/textures_image_processing.c
+++ b/examples/textures/textures_image_processing.c
@@ -13,19 +13,19 @@
 
 #include "raylib.h"
 
-#include <stdlib.h>     // Required for: free()
+#include <stdlib.h>             // Required for: free()
 
 #define NUM_PROCESSES    8
 
-typedef enum { 
-    NONE = 0, 
-    COLOR_GRAYSCALE, 
-    COLOR_TINT, 
-    COLOR_INVERT, 
-    COLOR_CONTRAST, 
-    COLOR_BRIGHTNESS, 
-    FLIP_VERTICAL, 
-    FLIP_HORIZONTAL 
+typedef enum {
+    NONE = 0,
+    COLOR_GRAYSCALE,
+    COLOR_TINT,
+    COLOR_INVERT,
+    COLOR_CONTRAST,
+    COLOR_BRIGHTNESS,
+    FLIP_VERTICAL,
+    FLIP_HORIZONTAL
 } ImageProcess;
 
 static const char *processText[] = {
@@ -39,12 +39,12 @@ static const char *processText[] = {
     "FLIP HORIZONTAL"
 };
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - image processing");
 
@@ -57,10 +57,10 @@ int main()
     int currentProcess = NONE;
     bool textureReload = false;
 
-    Rectangle selectRecs[NUM_PROCESSES];
-    
+    Rectangle selectRecs[NUM_PROCESSES] = { 0 };
+
     for (int i = 0; i < NUM_PROCESSES; i++) selectRecs[i] = (Rectangle){ 40.0f, (float)(50 + 32*i), 150.0f, 30.0f };
-    
+
     SetTargetFPS(60);
     //---------------------------------------------------------------------------------------
 
@@ -81,14 +81,14 @@ int main()
             if (currentProcess < 0) currentProcess = 7;
             textureReload = true;
         }
-        
+
         if (textureReload)
         {
             UnloadImage(image);                         // Unload current image data
             image = LoadImage("resources/parrots.png"); // Re-load image data
 
-            // NOTE: Image processing is a costly CPU process to be done every frame, 
-            // If image processing is required in a frame-basis, it should be done 
+            // NOTE: Image processing is a costly CPU process to be done every frame,
+            // If image processing is required in a frame-basis, it should be done
             // with a texture and by shaders
             switch (currentProcess)
             {
@@ -101,11 +101,11 @@ int main()
                 case FLIP_HORIZONTAL: ImageFlipHorizontal(&image); break;
                 default: break;
             }
-            
+
             Color *pixels = GetImageData(image);        // Get pixel data from image (RGBA 32bit)
             UpdateTexture(texture, pixels);             // Update texture with new image data
             free(pixels);                               // Unload pixels data from RAM
-            
+
             textureReload = false;
         }
         //----------------------------------------------------------------------------------
@@ -115,9 +115,9 @@ int main()
         BeginDrawing();
 
             ClearBackground(RAYWHITE);
-            
+
             DrawText("IMAGE PROCESSING:", 40, 30, 10, DARKGRAY);
-            
+
             // Draw rectangles
             for (int i = 0; i < NUM_PROCESSES; i++)
             {
@@ -128,7 +128,7 @@ int main()
 
             DrawTexture(texture, screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, WHITE);
             DrawRectangleLines(screenWidth - texture.width - 60, screenHeight/2 - texture.height/2, texture.width, texture.height, BLACK);
-            
+
         EndDrawing();
         //----------------------------------------------------------------------------------
     }
diff --git a/examples/textures/textures_image_text.c b/examples/textures/textures_image_text.c
index ce91fbf2..c8dfe458 100644
--- a/examples/textures/textures_image_text.c
+++ b/examples/textures/textures_image_text.c
@@ -11,28 +11,28 @@
 
 #include "raylib.h"
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [texture] example - image text drawing");
     
+    Image parrots = LoadImage("resources/parrots.png"); // Load image in CPU memory (RAM)
+
     // TTF Font loading with custom generation parameters
     Font font = LoadFontEx("resources/KAISG.ttf", 64, 0, 0);
-    
-    Image parrots = LoadImage("resources/parrots.png"); // Load image in CPU memory (RAM)
 
     // Draw over image using custom font
     ImageDrawTextEx(&parrots, (Vector2){ 20.0f, 20.0f }, font, "[Parrots font drawing]", (float)font.baseSize, 0.0f, RED);
 
     Texture2D texture = LoadTextureFromImage(parrots);  // Image converted to texture, uploaded to GPU memory (VRAM)
     UnloadImage(parrots);   // Once image has been converted to texture and uploaded to VRAM, it can be unloaded from RAM
-    
+
     Vector2 position = { (float)(screenWidth/2 - texture.width/2), (float)(screenHeight/2 - texture.height/2 - 20) };
-    
+
     bool showFont = false;
 
     SetTargetFPS(60);
@@ -57,15 +57,15 @@ int main()
             {
                 // Draw texture with text already drawn inside
                 DrawTextureV(texture, position, WHITE);
-                
+
                 // Draw text directly using sprite font
-                DrawTextEx(font, "[Parrots font drawing]", (Vector2){ position.x + 20, 
+                DrawTextEx(font, "[Parrots font drawing]", (Vector2){ position.x + 20,
                            position.y + 20 + 280 }, (float)font.baseSize, 0.0f, WHITE);
             }
             else DrawTexture(font.texture, screenWidth/2 - font.texture.width/2, 50, BLACK);
-            
+
             DrawText("PRESS SPACE to SEE USED SPRITEFONT ", 290, 420, 10, DARKGRAY);
-        
+
         EndDrawing();
         //----------------------------------------------------------------------------------
     }
@@ -73,9 +73,9 @@ int main()
     // De-Initialization
     //--------------------------------------------------------------------------------------
     UnloadTexture(texture);     // Texture unloading
-        
-    UnloadFont(font);     // Unload custom spritefont
-    
+
+    UnloadFont(font);           // Unload custom spritefont
+
     CloseWindow();              // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
 
diff --git a/examples/textures/textures_logo_raylib.c b/examples/textures/textures_logo_raylib.c
index f2f93128..de8bb2ae 100644
--- a/examples/textures/textures_logo_raylib.c
+++ b/examples/textures/textures_logo_raylib.c
@@ -11,12 +11,12 @@
 
 #include "raylib.h"
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture loading and drawing");
 
diff --git a/examples/textures/textures_image_npatch.c b/examples/textures/textures_npatch_drawing.c
index 357b8a98..1c57e2e7 100644
--- a/examples/textures/textures_image_npatch.c
+++ b/examples/textures/textures_npatch_drawing.c
@@ -7,40 +7,45 @@
 *   This example has been created using raylib 2.0 (www.raylib.com)
 *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
 *
-*   Copyright (c) 2016 Ramon Santamaria (@raysan5)
+*   Example contributed by Jorge A. Gomes (@overdev) and reviewed by Ramon Santamaria (@raysan5)
+*
+*   Copyright (c) 2018 Jorge A. Gomes (@overdev) and Ramon Santamaria (@raysan5)
 *
 ********************************************************************************************/
 
 #include "raylib.h"
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - N-patch drawing");
 
     // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
     Texture2D nPatchTexture = LoadTexture("resources/ninepatch_button.png");
-    Vector2 mousePosition;
-    Vector2 origin = {0.0f, 0.0f};
 
-    // The location and size of the n-patches.
-    Rectangle dstRec1 = {480.0f, 160.0f, 32.0f, 32.0f};
-    Rectangle dstRec2 = {160.0f, 160.0f, 32.0f, 32.0f};
-    Rectangle dstRecH = {160.0f, 93.0f, 32.0f, 32.0f};   // this rec's height is ignored
-    Rectangle dstRecV = {92.0f, 160.0f, 32.0f, 32.0f};   // this rec's width is ignored
+    Vector2 mousePosition = { 0 };
+    Vector2 origin = { 0.0f, 0.0f };
+
+    // Position and size of the n-patches
+    Rectangle dstRec1 = { 480.0f, 160.0f, 32.0f, 32.0f };
+    Rectangle dstRec2 = { 160.0f, 160.0f, 32.0f, 32.0f };
+    Rectangle dstRecH = { 160.0f, 93.0f, 32.0f, 32.0f };
+    Rectangle dstRecV = { 92.0f, 160.0f, 32.0f, 32.0f };
 
     // A 9-patch (NPT_9PATCH) changes its sizes in both axis
-    NPatchInfo ninePatchInfo1 = {(Rectangle){0.0f, 0.0f, 64.0f, 64.0f}, 12, 40, 12, 12, NPT_9PATCH };
-    NPatchInfo ninePatchInfo2 = {(Rectangle){0.0f, 128.0f, 64.0f, 64.0f}, 16, 16, 16, 16, NPT_9PATCH };
+    NPatchInfo ninePatchInfo1 = { (Rectangle){ 0.0f, 0.0f, 64.0f, 64.0f }, 12, 40, 12, 12, NPT_9PATCH };
+    NPatchInfo ninePatchInfo2 = { (Rectangle){ 0.0f, 128.0f, 64.0f, 64.0f }, 16, 16, 16, 16, NPT_9PATCH };
+
     // A horizontal 3-patch (NPT_3PATCH_HORIZONTAL) changes its sizes along the x axis only
-    NPatchInfo h3PatchInfo = {(Rectangle){0.0f,  64.0f, 64.0f, 64.0f}, 8, 8, 8, 8, NPT_3PATCH_HORIZONTAL };
+    NPatchInfo h3PatchInfo = { (Rectangle){ 0.0f,  64.0f, 64.0f, 64.0f }, 8, 8, 8, 8, NPT_3PATCH_HORIZONTAL };
+
     // A vertical 3-patch (NPT_3PATCH_VERTICAL) changes its sizes along the y axis only
-    NPatchInfo v3PatchInfo = {(Rectangle){0.0f, 192.0f, 64.0f, 64.0f}, 6, 6, 6, 6, NPT_3PATCH_VERTICAL };
-    
+    NPatchInfo v3PatchInfo = { (Rectangle){ 0.0f, 192.0f, 64.0f, 64.0f }, 6, 6, 6, 6, NPT_3PATCH_VERTICAL };
+
     SetTargetFPS(60);
     //---------------------------------------------------------------------------------------
 
@@ -50,7 +55,8 @@ int main()
         // Update
         //----------------------------------------------------------------------------------
         mousePosition = GetMousePosition();
-        // resize the n-patches based on mouse position.
+
+        // Resize the n-patches based on mouse position
         dstRec1.width = mousePosition.x - dstRec1.x;
         dstRec1.height = mousePosition.y - dstRec1.y;
         dstRec2.width = mousePosition.x - dstRec2.x;
@@ -58,7 +64,7 @@ int main()
         dstRecH.width = mousePosition.x - dstRecH.x;
         dstRecV.height = mousePosition.y - dstRecV.y;
 
-        // set a minimum width and/or height
+        // Set a minimum width and/or height
         if (dstRec1.width < 1.0f) dstRec1.width = 1.0f;
         if (dstRec1.width > 300.0f) dstRec1.width = 300.0f;
         if (dstRec1.height < 1.0f) dstRec1.height = 1.0f;
@@ -80,18 +86,13 @@ int main()
             DrawTextureNPatch(nPatchTexture, ninePatchInfo1, dstRec1, origin, 0.0f, WHITE);
             DrawTextureNPatch(nPatchTexture, h3PatchInfo, dstRecH, origin, 0.0f, WHITE);
             DrawTextureNPatch(nPatchTexture, v3PatchInfo, dstRecV, origin, 0.0f, WHITE);
-            
+
             // Draw the source texture
-            DrawRectangleLines( 5, 88, 74, 266, BLUE);
+            DrawRectangleLines(5, 88, 74, 266, BLUE);
             DrawTexture(nPatchTexture, 10, 93, WHITE);
             DrawText("TEXTURE", 15, 360, 10, DARKGRAY);
 
-            DrawRectangle( 10, 10, 250, 73, Fade(SKYBLUE, 0.5));
-            DrawRectangleLines( 10, 10, 250, 73, BLUE);
-
-            DrawText("9-Patch and 3-Patch example", 20, 20, 10, BLACK);
-            DrawText("  Move the mouse to stretch or", 40, 40, 10, DARKGRAY);
-            DrawText("  shrink the n-patches.", 40, 60, 10, DARKGRAY);
+            DrawText("Move the mouse to stretch or shrink the n-patches", 10, 20, 20, DARKGRAY);
 
         EndDrawing();
         //----------------------------------------------------------------------------------
diff --git a/examples/textures/textures_npatch_drawing.png b/examples/textures/textures_npatch_drawing.png
new file mode 100644
index 00000000..21df9caa
--- /dev/null
+++ b/examples/textures/textures_npatch_drawing.png
diff --git a/examples/textures/textures_particles_blending.c b/examples/textures/textures_particles_blending.c
index 3b7dcaa3..d094c6c2 100644
--- a/examples/textures/textures_particles_blending.c
+++ b/examples/textures/textures_particles_blending.c
@@ -23,18 +23,18 @@ typedef struct {
     bool active;        // NOTE: Use it to activate/deactive particle
 } Particle;
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - particles blending");
-    
+
     // Particles pool, reuse them!
-    Particle mouseTail[MAX_PARTICLES]; 
-    
+    Particle mouseTail[MAX_PARTICLES] = { 0 };
+
     // Initialize particles
     for (int i = 0; i < MAX_PARTICLES; i++)
     {
@@ -45,13 +45,13 @@ int main()
         mouseTail[i].rotation = (float)GetRandomValue(0, 360);
         mouseTail[i].active = false;
     }
-    
+
     float gravity = 3.0f;
 
     Texture2D smoke = LoadTexture("resources/smoke.png");
-    
+
     int blending = BLEND_ALPHA;
-    
+
     SetTargetFPS(60);
     //--------------------------------------------------------------------------------------
 
@@ -60,7 +60,7 @@ int main()
     {
         // Update
         //----------------------------------------------------------------------------------
-        
+
         // Activate one particle every frame and Update active particles
         // NOTE: Particles initial position should be mouse position when activated
         // NOTE: Particles fall down with gravity and rotation... and disappear after 2 seconds (alpha = 0)
@@ -82,13 +82,13 @@ int main()
             {
                 mouseTail[i].position.y += gravity;
                 mouseTail[i].alpha -= 0.01f;
-                
+
                 if (mouseTail[i].alpha <= 0.0f) mouseTail[i].active = false;
-                
+
                 mouseTail[i].rotation += 5.0f;
             }
         }
-        
+
         if (IsKeyPressed(KEY_SPACE))
         {
             if (blending == BLEND_ALPHA) blending = BLEND_ADDITIVE;
@@ -101,25 +101,25 @@ int main()
         BeginDrawing();
 
             ClearBackground(DARKGRAY);
-            
+
             BeginBlendMode(blending);
 
                 // Draw active particles
                 for (int i = 0; i < MAX_PARTICLES; i++)
                 {
-                    if (mouseTail[i].active) DrawTexturePro(smoke, (Rectangle){ 0.0f, 0.0f, (float)smoke.width, (float)smoke.height }, 
+                    if (mouseTail[i].active) DrawTexturePro(smoke, (Rectangle){ 0.0f, 0.0f, (float)smoke.width, (float)smoke.height },
                                                            (Rectangle){ mouseTail[i].position.x, mouseTail[i].position.y, smoke.width*mouseTail[i].size, smoke.height*mouseTail[i].size },
                                                            (Vector2){ (float)(smoke.width*mouseTail[i].size/2.0f), (float)(smoke.height*mouseTail[i].size/2.0f) }, mouseTail[i].rotation,
                                                            Fade(mouseTail[i].color, mouseTail[i].alpha));
                 }
-            
+
             EndBlendMode();
-            
+
             DrawText("PRESS SPACE to CHANGE BLENDING MODE", 180, 20, 20, BLACK);
-            
+
             if (blending == BLEND_ALPHA) DrawText("ALPHA BLENDING", 290, screenHeight - 40, 20, BLACK);
             else DrawText("ADDITIVE BLENDING", 280, screenHeight - 40, 20, RAYWHITE);
-            
+
         EndDrawing();
         //----------------------------------------------------------------------------------
     }
@@ -127,7 +127,7 @@ int main()
     // De-Initialization
     //--------------------------------------------------------------------------------------
     UnloadTexture(smoke);
-    
+
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
 
diff --git a/examples/textures/textures_raw_data.c b/examples/textures/textures_raw_data.c
index 481bd66a..08269bf7 100644
--- a/examples/textures/textures_raw_data.c
+++ b/examples/textures/textures_raw_data.c
@@ -13,31 +13,31 @@
 
 #include "raylib.h"
 
-#include <stdlib.h>     // Required for malloc() and free()
+#include <stdlib.h>         // Required for: malloc() and free()
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture from raw data");
 
     // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
- 
+
     // Load RAW image data (512x512, 32bit RGBA, no file header)
     Image fudesumiRaw = LoadImageRaw("resources/fudesumi.raw", 384, 512, UNCOMPRESSED_R8G8B8A8, 0);
-    Texture2D fudesumi = LoadTextureFromImage(fudesumiRaw);   // Upload CPU (RAM) image to GPU (VRAM)
-    UnloadImage(fudesumiRaw);                              // Unload CPU (RAM) image data
-    
-    // Generate a checked texture by code (1024x1024 pixels)
+    Texture2D fudesumi = LoadTextureFromImage(fudesumiRaw);  // Upload CPU (RAM) image to GPU (VRAM)
+    UnloadImage(fudesumiRaw);                                // Unload CPU (RAM) image data
+
+    // Generate a checked texture by code
     int width = 960;
     int height = 480;
-    
+
     // Dynamic memory allocation to store pixels data (Color type)
     Color *pixels = (Color *)malloc(width*height*sizeof(Color));
-    
+
     for (int y = 0; y < height; y++)
     {
         for (int x = 0; x < width; x++)
@@ -46,14 +46,14 @@ int main()
             else pixels[y*width + x] = GOLD;
         }
     }
-    
+
     // Load pixels data into an image structure and create texture
     Image checkedIm = LoadImageEx(pixels, width, height);
     Texture2D checked = LoadTextureFromImage(checkedIm);
-    UnloadImage(checkedIm);     // Unload CPU (RAM) image data
-    
+    UnloadImage(checkedIm);         // Unload CPU (RAM) image data
+
     // Dynamic memory must be freed after using it
-    free(pixels);               // Unload CPU (RAM) pixels data
+    free(pixels);                   // Unload CPU (RAM) pixels data
     //---------------------------------------------------------------------------------------
 
     // Main game loop
@@ -76,7 +76,7 @@ int main()
             DrawText("CHECKED TEXTURE ", 84, 85, 30, BROWN);
             DrawText("GENERATED by CODE", 72, 148, 30, BROWN);
             DrawText("and RAW IMAGE LOADING", 46, 210, 30, BROWN);
-            
+
             DrawText("(c) Fudesumi sprite by Eiden Marsal", 310, screenHeight - 20, 10, BROWN);
 
         EndDrawing();
diff --git a/examples/textures/textures_rectangle.c b/examples/textures/textures_rectangle.c
index e1247746..8be647a2 100644
--- a/examples/textures/textures_rectangle.c
+++ b/examples/textures/textures_rectangle.c
@@ -14,12 +14,12 @@
 #define MAX_FRAME_SPEED     15
 #define MIN_FRAME_SPEED      1
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [texture] example - texture rectangle");
 
@@ -29,10 +29,10 @@ int main()
     Vector2 position = { 350.0f, 280.0f };
     Rectangle frameRec = { 0.0f, 0.0f, (float)scarfy.width/6, (float)scarfy.height };
     int currentFrame = 0;
-    
+
     int framesCounter = 0;
-    int framesSpeed = 8;           // Number of spritesheet frames shown by second
-    
+    int framesSpeed = 8;            // Number of spritesheet frames shown by second
+
     SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
 
@@ -42,20 +42,20 @@ int main()
         // Update
         //----------------------------------------------------------------------------------
         framesCounter++;
-        
+
         if (framesCounter >= (60/framesSpeed))
         {
             framesCounter = 0;
             currentFrame++;
-            
+
             if (currentFrame > 5) currentFrame = 0;
-            
+
             frameRec.x = (float)currentFrame*(float)scarfy.width/6;
         }
-        
+
         if (IsKeyPressed(KEY_RIGHT)) framesSpeed++;
         else if (IsKeyPressed(KEY_LEFT)) framesSpeed--;
-        
+
         if (framesSpeed > MAX_FRAME_SPEED) framesSpeed = MAX_FRAME_SPEED;
         else if (framesSpeed < MIN_FRAME_SPEED) framesSpeed = MIN_FRAME_SPEED;
         //----------------------------------------------------------------------------------
@@ -69,17 +69,17 @@ int main()
             DrawTexture(scarfy, 15, 40, WHITE);
             DrawRectangleLines(15, 40, scarfy.width, scarfy.height, LIME);
             DrawRectangleLines(15 + frameRec.x, 40 + frameRec.y, frameRec.width, frameRec.height, RED);
-            
+
             DrawText("FRAME SPEED: ", 165, 210, 10, DARKGRAY);
             DrawText(FormatText("%02i FPS", framesSpeed), 575, 210, 10, DARKGRAY);
             DrawText("PRESS RIGHT/LEFT KEYS to CHANGE SPEED!", 290, 240, 10, DARKGRAY);
-            
+
             for (int i = 0; i < MAX_FRAME_SPEED; i++)
             {
                 if (i < framesSpeed) DrawRectangle(250 + 21*i, 205, 20, 20, RED);
                 DrawRectangleLines(250 + 21*i, 205, 20, 20, MAROON);
             }
-            
+
             DrawTextureRec(scarfy, frameRec, position, WHITE);  // Draw part of the texture
 
             DrawText("(c) Scarfy sprite by Eiden Marsal", screenWidth - 200, screenHeight - 20, 10, GRAY);
diff --git a/examples/textures/textures_sprite_button.c b/examples/textures/textures_sprite_button.c
new file mode 100644
index 00000000..a5b2d8d1
--- /dev/null
+++ b/examples/textures/textures_sprite_button.c
@@ -0,0 +1,97 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - sprite button
+*
+*   This example has been created using raylib 2.5 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2019 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define NUM_FRAMES  3       // Number of frames (rectangles) for the button sprite texture
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite button");
+
+    InitAudioDevice();      // Initialize audio device
+
+    Sound fxButton = LoadSound("resources/buttonfx.wav");   // Load button sound
+    Texture2D button = LoadTexture("resources/button.png"); // Load button texture
+
+    // Define frame rectangle for drawing
+    int frameHeight = button.height/NUM_FRAMES;
+    Rectangle sourceRec = { 0, 0, button.width, frameHeight };
+
+    // Define button bounds on screen
+    Rectangle btnBounds = { screenWidth/2 - button.width/2, screenHeight/2 - button.height/NUM_FRAMES/2, button.width, frameHeight };
+
+    int btnState = 0;               // Button state: 0-NORMAL, 1-MOUSE_HOVER, 2-PRESSED
+    bool btnAction = false;         // Button action should be activated
+
+    Vector2 mousePoint = { 0.0f, 0.0f };
+
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        mousePoint = GetMousePosition();
+        btnAction = false;
+
+        // Check button state
+        if (CheckCollisionPointRec(mousePoint, btnBounds))
+        {
+            if (IsMouseButtonDown(MOUSE_LEFT_BUTTON)) btnState = 2;
+            else btnState = 1;
+
+            if (IsMouseButtonReleased(MOUSE_LEFT_BUTTON)) btnAction = true;
+        }
+        else btnState = 0;
+
+        if (btnAction)
+        {
+            PlaySound(fxButton);
+
+            // TODO: Any desired action
+        }
+
+        // Calculate button frame rectangle to draw depending on button state
+        sourceRec.y = btnState*frameHeight;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawTextureRec(button, sourceRec, (Vector2){ btnBounds.x, btnBounds.y }, WHITE); // Draw button frame
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(button);  // Unload button texture
+    UnloadSound(fxButton);  // Unload sound
+
+    CloseAudioDevice();     // Close audio device
+
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
\ No newline at end of file
diff --git a/examples/textures/textures_sprite_button.png b/examples/textures/textures_sprite_button.png
new file mode 100644
index 00000000..dac519d4
--- /dev/null
+++ b/examples/textures/textures_sprite_button.png
diff --git a/examples/textures/textures_sprite_explosion.c b/examples/textures/textures_sprite_explosion.c
new file mode 100644
index 00000000..823c1b8a
--- /dev/null
+++ b/examples/textures/textures_sprite_explosion.c
@@ -0,0 +1,120 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - sprite explosion
+*
+*   This example has been created using raylib 2.5 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2019 Anata and Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define NUM_FRAMES      8
+#define NUM_LINES       6
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite explosion");
+
+    InitAudioDevice();
+
+    // Load explosion sound
+    Sound fxBoom = LoadSound("resources/boom.wav");
+
+    // Load explosion texture
+    Texture2D explosion = LoadTexture("resources/explosion.png");
+    
+    // Init variables for animation
+    int frameWidth = explosion.width/NUM_FRAMES;    // Sprite one frame rectangle width
+    int frameHeight = explosion.height/NUM_LINES;   // Sprite one frame rectangle height
+    int currentFrame = 0;
+    int currentLine = 0;
+
+    Rectangle frameRec = { 0, 0, frameWidth, frameHeight };
+    Vector2 position = { 0.0f, 0.0f };
+
+    bool active = false;
+    int framesCounter = 0;
+
+    SetTargetFPS(120);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+
+        // Check for mouse button pressed and activate explosion (if not active)
+        if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON) && !active)
+        {
+            position = GetMousePosition();
+            active = true;
+
+            position.x -= frameWidth/2;
+            position.y -= frameHeight/2;
+
+            PlaySound(fxBoom);
+        }
+
+        // Compute explosion animation frames
+        if (active)
+        {
+            framesCounter++;
+
+            if (framesCounter > 2)
+            {
+                currentFrame++;
+
+                if (currentFrame >= NUM_FRAMES)
+                {
+                    currentFrame = 0;
+                    currentLine++;
+
+                    if (currentLine >= NUM_LINES)
+                    {
+                        currentLine = 0;
+                        active = false;
+                    }
+                }
+
+                framesCounter = 0;
+            }
+        }
+
+        frameRec.x = frameWidth*currentFrame;
+        frameRec.y = frameHeight*currentLine;
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            // Draw explosion required frame rectangle
+            if (active) DrawTextureRec(explosion, frameRec, position, WHITE);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadTexture(explosion);   // Unload texture
+    UnloadSound(fxBoom);        // Unload sound
+
+    CloseAudioDevice();
+
+    CloseWindow();              // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}
\ No newline at end of file
diff --git a/examples/textures/textures_sprite_explosion.png b/examples/textures/textures_sprite_explosion.png
new file mode 100644
index 00000000..8a439c35
--- /dev/null
+++ b/examples/textures/textures_sprite_explosion.png
diff --git a/examples/textures/textures_srcrec_dstrec.c b/examples/textures/textures_srcrec_dstrec.c
index cc08eb58..e86b729d 100644
--- a/examples/textures/textures_srcrec_dstrec.c
+++ b/examples/textures/textures_srcrec_dstrec.c
@@ -11,32 +11,33 @@
 
 #include "raylib.h"
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] examples - texture source and destination rectangles");
 
     // NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
+    
     Texture2D scarfy = LoadTexture("resources/scarfy.png");        // Texture loading
 
     int frameWidth = scarfy.width/6;
     int frameHeight = scarfy.height;
-    
-    // NOTE: Source rectangle (part of the texture to use for drawing)
-    Rectangle sourceRec = { 0.0f, 0.0f, (float)frameWidth, (float)frameHeight };
 
-    // NOTE: Destination rectangle (screen rectangle where drawing part of texture)
-    Rectangle destRec = { (float)screenWidth/2, (float)screenHeight/2, (float)frameWidth*2, (float)frameHeight*2 };
+    // Source rectangle (part of the texture to use for drawing)
+    Rectangle sourceRec = { 0.0f, 0.0f, frameWidth, frameHeight };
+
+    // Destination rectangle (screen rectangle where drawing part of texture)
+    Rectangle destRec = { screenWidth/2, screenHeight/2, frameWidth*2, frameHeight*2 };
+
+    // Origin of the texture (rotation/scale point), it's relative to destination rectangle size
+    Vector2 origin = { frameWidth, frameHeight };
 
-    // NOTE: Origin of the texture (rotation/scale point), it's relative to destination rectangle size
-    Vector2 origin = { (float)frameWidth, (float)frameHeight };
-    
     int rotation = 0;
-    
+
     SetTargetFPS(60);
     //--------------------------------------------------------------------------------------
 
@@ -61,9 +62,9 @@ int main()
             // rotation defines the texture rotation (using origin as rotation point)
             DrawTexturePro(scarfy, sourceRec, destRec, origin, (float)rotation, WHITE);
 
-            DrawLine((int) destRec.x, 0, (int) destRec.x, screenHeight, GRAY);
+            DrawLine((int)destRec.x, 0, (int)destRec.x, screenHeight, GRAY);
             DrawLine(0, (int)destRec.y, screenWidth, (int)destRec.y, GRAY);
-            
+
             DrawText("(c) Scarfy sprite by Eiden Marsal", screenWidth - 200, screenHeight - 20, 10, GRAY);
 
         EndDrawing();
diff --git a/examples/textures/textures_to_image.c b/examples/textures/textures_to_image.c
index 37c3b5a0..c0989baf 100644
--- a/examples/textures/textures_to_image.c
+++ b/examples/textures/textures_to_image.c
@@ -1,6 +1,6 @@
 /*******************************************************************************************
 *
-*   raylib [textures] example - Retrieve image data from texture: GetTextureData() 
+*   raylib [textures] example - Retrieve image data from texture: GetTextureData()
 *
 *   NOTE: Images are loaded in CPU memory (RAM); textures are loaded in GPU memory (VRAM)
 *
@@ -13,12 +13,12 @@
 
 #include "raylib.h"
 
-int main()
+int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    int screenWidth = 800;
-    int screenHeight = 450;
+    const int screenWidth = 800;
+    const int screenHeight = 450;
 
     InitWindow(screenWidth, screenHeight, "raylib [textures] example - texture to image");
 
@@ -27,10 +27,10 @@ int main()
     Image image = LoadImage("resources/raylib_logo.png");  // Load image data into CPU memory (RAM)
     Texture2D texture = LoadTextureFromImage(image);       // Image converted to texture, GPU memory (RAM -> VRAM)
     UnloadImage(image);                                    // Unload image data from CPU memory (RAM)
-    
+
     image = GetTextureData(texture);                       // Retrieve image data from GPU memory (VRAM -> RAM)
     UnloadTexture(texture);                                // Unload texture from GPU memory (VRAM)
-    
+
     texture = LoadTextureFromImage(image);                 // Recreate texture from retrieved image data (RAM -> VRAM)
     UnloadImage(image);                                    // Unload retrieved image data from CPU memory (RAM)
     //---------------------------------------------------------------------------------------