Merge pull request #346 from raysan5/develop

Integrate Develop branch

2 files changed, 89 insertions, 0 deletions

diff --git a/examples/textures/textures_image_generation.c b/examples/textures/textures_image_generation.c
new file mode 100644
index 00000000..8f87e689
--- /dev/null
+++ b/examples/textures/textures_image_generation.c
@@ -0,0 +1,89 @@
+/*******************************************************************************************
+*
+*   raylib [textures] example - Procedural images generation
+*
+*   This example has been created using raylib 1.8 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2O17 Wilhem Barbier (@nounoursheureux)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+#define TEXTURES_NUM 7      // for now we have 7 generation algorithms
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [textures] example - procedural images generation");
+
+    Image verticalGradient = GenImageGradientV(screenWidth, screenHeight, RED, BLUE);
+    Image horizontalGradient = GenImageGradientH(screenWidth, screenHeight, RED, BLUE);
+    Image radialGradient = GenImageGradientRadial(screenWidth, screenHeight, 0.f, WHITE, BLACK);
+    Image checked = GenImageChecked(screenWidth, screenHeight, 32, 32, RED, BLUE);
+    Image whiteNoise = GenImageWhiteNoise(screenWidth, screenHeight, 0.5f);
+    Image perlinNoise = GenImagePerlinNoise(screenWidth, screenHeight, 8.f);
+    Image cellular = GenImageCellular(screenWidth, screenHeight, 32);
+
+    Texture2D textures[TEXTURES_NUM];
+    textures[0] = LoadTextureFromImage(verticalGradient);
+    textures[1] = LoadTextureFromImage(horizontalGradient);
+    textures[2] = LoadTextureFromImage(radialGradient);
+    textures[3] = LoadTextureFromImage(checked);
+    textures[4] = LoadTextureFromImage(whiteNoise);
+    textures[5] = LoadTextureFromImage(perlinNoise);
+    textures[6] = LoadTextureFromImage(cellular);
+
+    int currentTexture = 0;
+    
+    SetTargetFPS(60);
+    //---------------------------------------------------------------------------------------
+    
+    // Main game loop
+    while (!WindowShouldClose())
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsMouseButtonPressed(MOUSE_LEFT_BUTTON))
+        {
+            currentTexture = (currentTexture + 1) % TEXTURES_NUM; // cycle between the 5 textures
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+        
+            ClearBackground(RAYWHITE);
+            
+            DrawTexture(textures[currentTexture], 0, 0, WHITE);
+            
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    
+    // Unload image data (CPU RAM)
+    UnloadImage(verticalGradient);
+    UnloadImage(horizontalGradient);
+    UnloadImage(radialGradient);
+    UnloadImage(checked);
+    UnloadImage(whiteNoise);
+    UnloadImage(perlinNoise);
+    UnloadImage(cellular);
+    
+    // Unload textures data (GPU VRAM)
+    for (int i = 0; i < TEXTURES_NUM; i++) UnloadTexture(textures[i]);
+    
+    CloseWindow();                // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+    
+    return 0;
+}
diff --git a/examples/textures/textures_image_generation.png b/examples/textures/textures_image_generation.png
new file mode 100644
index 00000000..a272b405
--- /dev/null
+++ b/examples/textures/textures_image_generation.png