1 | /******************************************************************************************* |
2 | * |
3 | * raylib [core] example - Keyboard input |
4 | * |
5 | * This example has been created using raylib 1.0 (www.raylib.com) |
6 | * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) |
7 | * |
8 | * Copyright (c) 2014 Ramon Santamaria (@raysan5) |
9 | * |
10 | ********************************************************************************************/ |
11 | |
12 | #include "raylib.h" |
13 | |
14 | int main(void) |
15 | { |
16 | // Initialization |
17 | //-------------------------------------------------------------------------------------- |
18 | const int screenWidth = 800; |
19 | const int screenHeight = 450; |
20 | |
21 | InitWindow(screenWidth, screenHeight, "raylib [core] example - keyboard input" ); |
22 | |
23 | Vector2 ballPosition = { (float)screenWidth/2, (float)screenHeight/2 }; |
24 | |
25 | SetTargetFPS(60); // Set our game to run at 60 frames-per-second |
26 | //-------------------------------------------------------------------------------------- |
27 | |
28 | // Main game loop |
29 | while (!WindowShouldClose()) // Detect window close button or ESC key |
30 | { |
31 | // Update |
32 | //---------------------------------------------------------------------------------- |
33 | if (IsKeyDown(KEY_RIGHT)) ballPosition.x += 2.0f; |
34 | if (IsKeyDown(KEY_LEFT)) ballPosition.x -= 2.0f; |
35 | if (IsKeyDown(KEY_UP)) ballPosition.y -= 2.0f; |
36 | if (IsKeyDown(KEY_DOWN)) ballPosition.y += 2.0f; |
37 | //---------------------------------------------------------------------------------- |
38 | |
39 | // Draw |
40 | //---------------------------------------------------------------------------------- |
41 | BeginDrawing(); |
42 | |
43 | ClearBackground(RAYWHITE); |
44 | |
45 | DrawText("move the ball with arrow keys" , 10, 10, 20, DARKGRAY); |
46 | |
47 | DrawCircleV(ballPosition, 50, MAROON); |
48 | |
49 | EndDrawing(); |
50 | //---------------------------------------------------------------------------------- |
51 | } |
52 | |
53 | // De-Initialization |
54 | //-------------------------------------------------------------------------------------- |
55 | CloseWindow(); // Close window and OpenGL context |
56 | //-------------------------------------------------------------------------------------- |
57 | |
58 | return 0; |
59 | } |