/*******************************************************************************************
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								*
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								*   raylib [models] example - Detect basic 3d collisions (box vs sphere vs box)
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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 - box collisions");
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								    // Define the camera to look into our 3d world
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								    Camera camera = {{ 0.0f, 10.0f, 10.0f }, { 0.0f, 0.0f, 0.0f }, { 0.0f, 1.0f, 0.0f }, 45.0f };
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								    Vector3 playerPosition = { 0.0f, 1.0f, 2.0f };
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								    Vector3 playerSize = { 1.0f, 2.0f, 1.0f };
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								    Color playerColor = GREEN;
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								    Vector3 enemyBoxPos = { -4.0f, 1.0f, 0.0f };
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								    Vector3 enemyBoxSize = { 2.0f, 2.0f, 2.0f };
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								    Vector3 enemySpherePos = { 4.0f, 0.0f, 0.0f };
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								    float enemySphereSize = 1.5f;
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								    bool collision = false;
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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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								        // Move player
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								        if (IsKeyDown(KEY_RIGHT)) playerPosition.x += 0.2f;
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								        else if (IsKeyDown(KEY_LEFT)) playerPosition.x -= 0.2f;
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								        else if (IsKeyDown(KEY_DOWN)) playerPosition.z += 0.2f;
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								        else if (IsKeyDown(KEY_UP)) playerPosition.z -= 0.2f;
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								        collision = false;
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								        // Check collisions player vs enemy-box
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								        if (CheckCollisionBoxes(
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								            (BoundingBox){(Vector3){ playerPosition.x - playerSize.x/2, 
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								                                     playerPosition.y - playerSize.y/2, 
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								                                     playerPosition.z - playerSize.z/2 }, 
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								                          (Vector3){ playerPosition.x + playerSize.x/2,
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								                                     playerPosition.y + playerSize.y/2, 
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								                                     playerPosition.z + playerSize.z/2 }},
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								            (BoundingBox){(Vector3){ enemyBoxPos.x - enemyBoxSize.x/2, 
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								                                     enemyBoxPos.y - enemyBoxSize.y/2, 
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								                                     enemyBoxPos.z - enemyBoxSize.z/2 }, 
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								                          (Vector3){ enemyBoxPos.x + enemyBoxSize.x/2,
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								                                     enemyBoxPos.y + enemyBoxSize.y/2, 
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								                                     enemyBoxPos.z + enemyBoxSize.z/2 }})) collision = true;
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								        // Check collisions player vs enemy-sphere
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								        if (CheckCollisionBoxSphere(
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								            (BoundingBox){(Vector3){ playerPosition.x - playerSize.x/2, 
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								                                     playerPosition.y - playerSize.y/2, 
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								                                     playerPosition.z - playerSize.z/2 }, 
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								                          (Vector3){ playerPosition.x + playerSize.x/2,
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								                                     playerPosition.y + playerSize.y/2, 
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								                                     playerPosition.z + playerSize.z/2 }}, 
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								            enemySpherePos, enemySphereSize)) collision = true;
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								        if (collision) playerColor = RED;
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								        else playerColor = GREEN;
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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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								                // Draw enemy-box
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								                DrawCube(enemyBoxPos, enemyBoxSize.x, enemyBoxSize.y, enemyBoxSize.z, GRAY);
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								                DrawCubeWires(enemyBoxPos, enemyBoxSize.x, enemyBoxSize.y, enemyBoxSize.z, DARKGRAY);
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								                // Draw enemy-sphere
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								                DrawSphere(enemySpherePos, enemySphereSize, GRAY);
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								                DrawSphereWires(enemySpherePos, enemySphereSize, 16, 16, DARKGRAY);
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								                // Draw player
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								                DrawCubeV(playerPosition, playerSize, playerColor);
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								                DrawGrid(10, 1.0f);        // Draw a grid
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								            End3dMode();
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								            DrawText("Move player with cursors to collide", 220, 40, 20, GRAY);
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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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								    CloseWindow();        // Close window and OpenGL context
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								    //--------------------------------------------------------------------------------------
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								    return 0;
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								}
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