|  | /******************************************************************************************* | 
						
						
							|  | * | 
						
						
							|  | *   raylib [core] example - Keyboard input | 
						
						
							|  | * | 
						
						
							|  | *   This example has been created using raylib 1.0 (www.raylib.com) | 
						
						
							|  | *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) | 
						
						
							|  | * | 
						
						
							|  | *   Copyright (c) 2014 Ramon Santamaria (@raysan5) | 
						
						
							|  | * | 
						
						
							|  | ********************************************************************************************/ | 
						
						
							|  | 
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							|  | #include "raylib.h" | 
						
						
							|  |  | 
						
						
							|  | int main() | 
						
						
							|  | { | 
						
						
							|  |     // Initialization | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |     int screenWidth = 800; | 
						
						
							|  |     int screenHeight = 450; | 
						
						
							|  | 
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							|  |     InitWindow(screenWidth, screenHeight, "raylib [core] example - keyboard input"); | 
						
						
							|  | 
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							|  |     Vector2 ballPosition = { (float)screenWidth/2, (float)screenHeight/2 }; | 
						
						
							|  | 
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							|  |     SetTargetFPS(60);       // Set target frames-per-second | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |     // Main game loop | 
						
						
							|  |     while (!WindowShouldClose())    // Detect window close button or ESC key | 
						
						
							|  |     { | 
						
						
							|  |         // Update | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |         if (IsKeyDown(KEY_RIGHT)) ballPosition.x += 0.8f; | 
						
						
							|  |         if (IsKeyDown(KEY_LEFT)) ballPosition.x -= 0.8f; | 
						
						
							|  |         if (IsKeyDown(KEY_UP)) ballPosition.y -= 0.8f; | 
						
						
							|  |         if (IsKeyDown(KEY_DOWN)) ballPosition.y += 0.8f; | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |         // Draw | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |         BeginDrawing(); | 
						
						
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							|  |             ClearBackground(RAYWHITE); | 
						
						
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							|  |             DrawText("move the ball with arrow keys", 10, 10, 20, DARKGRAY); | 
						
						
							|  | 
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							|  |             DrawCircleV(ballPosition, 50, MAROON); | 
						
						
							|  | 
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							|  |         EndDrawing(); | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |     } | 
						
						
							|  | 
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							|  |     // De-Initialization | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |     CloseWindow();        // Close window and OpenGL context | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |     return 0; | 
						
						
							|  | } |