three-ui/examples/basic.html at master · poki/three-ui · GitHub

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<!doctype HTML>
<html>
<head>
	<title>Basic Example</title>

	<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/87/three.min.js"></script>
	<script src="three-ui.min.js"></script>

	<style type="text/css">
	body { margin: 0; }
	</style>
</head>
<body>
<script type="text/javascript">

	// Create a new THREE.WebGLRenderer
	const renderer = new THREE.WebGLRenderer({ alpha: true });
	renderer.setSize(window.innerWidth, window.innerHeight);

	document.body.appendChild(renderer.domElement);

	// Create a UI of 720 pixels high
	// will scale up to match renderer.domElement's size
	const ui = new ThreeUI(renderer.domElement, 720);

	// Place a Pretty Pink 500x150 rectangle in the center of the screen
	const rectangle = ui.createRectangle('#FF6D92', 0, 0, 500, 100);
	rectangle.anchor.x = ThreeUI.anchors.center;
	rectangle.anchor.y = ThreeUI.anchors.center;

	// Add some text to the rectangle
	const text = ui.createText('BEST BUTTON EVER', 40, 'Arial', 'white');
	text.textAlign = 'center';
	text.textBaseline = 'middle';
	text.anchor.x = ThreeUI.anchors.center;
	text.anchor.y = ThreeUI.anchors.center;

	text.parent = rectangle;

	// Give the rectangle a click handler
	rectangle.onClick(() => {
		console.info('You got me!');
	});

	// Animate that rectangle!
	const animate = (deltaTime = 0) => {
		rectangle.x = Math.sin(deltaTime / 500) * 100;
		rectangle.y = Math.cos(deltaTime / 500) * 100;

		ui.render(renderer);

		requestAnimationFrame(animate);
	};
	animate();

</script>
</body>
</html>