let test; class TestObject extends Object2D { _setup() { this.position.y = 300; this.position.x = 100; this.timer = new Timer("myTimer", 2); this.addChild(this.timer); } _update(delta) { } _draw(delta) { } } class TestButton extends Button { _onMousePressed() { this.getParent().getChildByName("myTimer").start(); } } function preload() { AssetHandler.loadTexture("monke", "/assets/textures/monke.png"); AssetHandler.loadFont("Lato", "/assets/fonts/Lato-Regular.ttf"); AssetHandler.loadAudio("bonk", "/assets/audio/thonk.wav"); AssetHandler.loadAudio("music", "/assets/audio/music.ogg"); } function setup() { // GameHandler.drawDebugFPS(true); GameHandler.setRenderMode(RENDER_MODES.WEBGL); GameHandler.init(); textFont(AssetHandler.getP5FontByName("Lato")); test = new TestObject("myTest"); but = new TestButton("myTestButton", "play"); but.setPosition(0, 200); test.addChild(but); GameHandler.addRootObject(test); background(220); } function draw() { GameHandler.update(); GameHandler.draw(); }