raylib/examples/ex03a_input_keys.c

59 lines
2.2 KiB
C

/*******************************************************************************************
*
* raylib example 03a - 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) 2013 Ramon Santamaria (Ray San - raysan@raysanweb.com)
*
********************************************************************************************/
#include "raylib.h"
int main()
{
// Initialization
//--------------------------------------------------------------------------------------
int screenWidth = 800;
int screenHeight = 450;
Vector2 ballPosition = { screenWidth/2, screenHeight/2 };
InitWindow(screenWidth, screenHeight, "raylib example 05 - keyboard input");
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 += 0.8;
if (IsKeyDown(KEY_LEFT)) ballPosition.x -= 0.8;
if (IsKeyDown(KEY_UP)) ballPosition.y -= 0.8;
if (IsKeyDown(KEY_DOWN)) ballPosition.y += 0.8;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
DrawText("move the ball with arrow keys", 10, 10, 20, DARKGRAY);
DrawCircleV(ballPosition, 50, MAROON);
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}