#include "raylib.h"

int main()
{
    // Initialization
    //--------------------------------------------------------------------------------------
    int screenWidth = 800;
    int screenHeight = 450;

    InitWindow(screenWidth, screenHeight, "raylib [core] example - keyboard input");

    Vector2 snakePos = { (float)screenWidth/2, (float)screenHeight/2 };
    Vector2 blockSize = { (float)screenWidth/32, (float)screenWidth/32 };

    SetTargetFPS(60);
    //--------------------------------------------------------------------------------------

    // Main game loop
    while (!WindowShouldClose())
    {
        // Update
        //----------------------------------------------------------------------------------
        if (IsKeyDown(KEY_RIGHT)) snakePos.x += 2.0f;
        if (IsKeyDown(KEY_LEFT)) snakePos.x -= 2.0f;
        if (IsKeyDown(KEY_UP)) snakePos.y -= 2.0f;
        if (IsKeyDown(KEY_DOWN)) snakePos.y += 2.0f;
        //----------------------------------------------------------------------------------

        // Draw
        //----------------------------------------------------------------------------------
        BeginDrawing();

            ClearBackground(RAYWHITE);

            DrawText("move the ball with arrow keys", 10, 10, 20, DARKGRAY);

            DrawRectangleV(snakePos, blockSize, MAROON);

        EndDrawing();
        //----------------------------------------------------------------------------------
    }

    // De-Initialization
    //--------------------------------------------------------------------------------------
    CloseWindow();
    //--------------------------------------------------------------------------------------

    return 0;
}