rayjs/examples/input_keys.js

49 lines
1.9 KiB
JavaScript

import * as rlc from "raylib.core"
const KEY_RIGHT = 262 // Key: Cursor right
const KEY_LEFT = 263 // Key: Cursor left
const KEY_DOWN = 264 // Key: Cursor down
const KEY_UP = 265 // Key: Cursor up
// Initialization
//--------------------------------------------------------------------------------------
const screenWidth = 800;
const screenHeight = 450;
rlc.initWindow(screenWidth, screenHeight, "raylib [core] example - keyboard input");
const ballPosition = new rlc.Vector2(screenWidth/2, screenHeight/2);
rlc.setTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!rlc.windowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
if (rlc.isKeyDown(KEY_RIGHT)) ballPosition.x += 2;
if (rlc.isKeyDown(KEY_LEFT)) ballPosition.x -= 2;
if (rlc.isKeyDown(KEY_UP)) ballPosition.y -= 2;
if (rlc.isKeyDown(KEY_DOWN)) ballPosition.y += 2;
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
rlc.beginDrawing();
rlc.clearBackground(rlc.RAYWHITE);
rlc.drawText("move the ball with arrow keys", 10, 10, 20, rlc.DARKGRAY);
rlc.drawCircleV(ballPosition, 50, rlc.MAROON);
rlc.endDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
rlc.closeWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------