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