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								/*******************************************************************************************
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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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								}
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