73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
/*******************************************************************************************
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*
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* raylib [models] example - Drawing billboards
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*
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* This example has been created using raylib 1.2 (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) 2014 Ramon Santamaria (Ray San - raysan@raysanweb.com)
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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 - drawing billboards");
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// Define the camera to look into our 3d world
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Camera camera = {{ 10.0, 8.0, 10.0 }, { 0.0, 0.0, 0.0 }, { 0.0, 1.0, 0.0 }};
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Texture2D lena = LoadTexture("resources/lena.png"); // Our texture for billboard
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Rectangle eyesRec = { 225, 240, 155, 50 }; // Part of the texture to draw
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Vector3 billPosition = { 0.0, 0.0, 0.0 }; // Position where draw billboard
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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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if (IsKeyDown(KEY_LEFT)) camera.position.x -= 0.2;
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if (IsKeyDown(KEY_RIGHT)) camera.position.x += 0.2;
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if (IsKeyDown(KEY_UP)) camera.position.y -= 0.2;
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if (IsKeyDown(KEY_DOWN)) camera.position.y += 0.2;
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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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//DrawBillboard(camera, lena, billPosition, 1.0, WHITE);
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DrawBillboardRec(camera, lena, eyesRec, billPosition, 4.0, WHITE);
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DrawGrid(10.0, 1.0); // Draw a grid
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End3dMode();
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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(lena); // Unload texture
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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} |