|  | /******************************************************************************************* | 
						
						
							|  | * | 
						
						
							|  | *   raylib [models] example - Drawing billboards | 
						
						
							|  | * | 
						
						
							|  | *   This example has been created using raylib 1.3 (www.raylib.com) | 
						
						
							|  | *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) | 
						
						
							|  | * | 
						
						
							|  | *   Copyright (c) 2015 Ramon Santamaria (@raysan5) | 
						
						
							|  | * | 
						
						
							|  | ********************************************************************************************/ | 
						
						
							|  | 
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							|  | #include "raylib.h" | 
						
						
							|  |  | 
						
						
							|  | //------------------------------------------------------------------------------------ | 
						
						
							|  | // Program main entry point | 
						
						
							|  | //------------------------------------------------------------------------------------ | 
						
						
							|  | int main(void) | 
						
						
							|  | { | 
						
						
							|  |     // Initialization | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |     const int screenWidth = 800; | 
						
						
							|  |     const 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 | 
						
						
							|  |     Camera camera = { 0 }; | 
						
						
							|  |     camera.position = (Vector3){ 5.0f, 4.0f, 5.0f }; | 
						
						
							|  |     camera.target = (Vector3){ 0.0f, 2.0f, 0.0f }; | 
						
						
							|  |     camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; | 
						
						
							|  |     camera.fovy = 45.0f; | 
						
						
							|  |     camera.projection = CAMERA_PERSPECTIVE; | 
						
						
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							|  |     Texture2D bill = LoadTexture("resources/billboard.png");     // Our texture billboard | 
						
						
							|  |     Vector3 billPosition = { 0.0f, 2.0f, 0.0f };                 // Position where draw billboard | 
						
						
							|  |  | 
						
						
							|  |     SetCameraMode(camera, CAMERA_ORBITAL);  // Set an orbital camera mode | 
						
						
							|  |  | 
						
						
							|  |     SetTargetFPS(60);                       // Set our game to run at 60 frames-per-second | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |     // Main game loop | 
						
						
							|  |     while (!WindowShouldClose())            // Detect window close button or ESC key | 
						
						
							|  |     { | 
						
						
							|  |         // Update | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |         UpdateCamera(&camera);              // Update camera | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |         // Draw | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |         BeginDrawing(); | 
						
						
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							|  |             ClearBackground(RAYWHITE); | 
						
						
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							|  |             BeginMode3D(camera); | 
						
						
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							|  |                 DrawGrid(10, 1.0f);        // Draw a grid | 
						
						
							|  |  | 
						
						
							|  |                 DrawBillboard(camera, bill, billPosition, 2.0f, WHITE); | 
						
						
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							|  |             EndMode3D(); | 
						
						
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							|  |             DrawFPS(10, 10); | 
						
						
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							|  |         EndDrawing(); | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |     } | 
						
						
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							|  |     // De-Initialization | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |     UnloadTexture(bill);        // Unload texture | 
						
						
							|  |  | 
						
						
							|  |     CloseWindow();              // Close window and OpenGL context | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |     return 0; | 
						
						
							|  | } |