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80 lines
3.3 KiB
C
80 lines
3.3 KiB
C
/*******************************************************************************************
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*
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* raylib [models] example - Heightmap loading and drawing
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*
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* This example has been created using raylib 1.3 (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) 2015 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include "raylib.h"
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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 [models] example - heightmap loading and drawing");
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// Define our custom camera to look into our 3d world
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Camera camera = {{ 18.0f, 16.0f, 18.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
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Image image = LoadImage("resources/heightmap.png"); // Load heightmap image (RAM)
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Texture2D texture = LoadTextureFromImage(image); // Convert image to texture (VRAM)
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Model map = LoadHeightmap(image, (Vector3){ 16, 8, 16 }); // Load heightmap model with defined size
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map.material.texDiffuse = texture; // Set map diffuse texture
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Vector3 mapPosition = { -8.0f, 0.0f, -8.0f }; // Set model position (depends on model scaling!)
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UnloadImage(image); // Unload heightmap image from RAM, already uploaded to VRAM
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SetCameraMode(camera, CAMERA_ORBITAL); // Set an orbital camera mode
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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UpdateCamera(&camera); // Update camera
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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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Begin3dMode(camera);
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// NOTE: Model is scaled to 1/4 of its original size (128x128 units)
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DrawModel(map, mapPosition, 1.0f, RED);
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DrawGrid(20, 1.0f);
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End3dMode();
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DrawTexture(texture, screenWidth - texture.width - 20, 20, WHITE);
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DrawRectangleLines(screenWidth - texture.width - 20, 20, texture.width, texture.height, GREEN);
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DrawFPS(10, 10);
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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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UnloadTexture(texture); // Unload texture
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UnloadModel(map); // Unload model
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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} |