javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - effects - ascii</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>

	<body>
		<div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - effects - ascii</div>
		<script src="../build/three.js"></script>

		<script src="js/controls/TrackballControls.js"></script>
		<script src="js/effects/AsciiEffect.js"></script>

		<script src="js/WebGL.js"></script>

		<script>

			if ( WEBGL.isWebGLAvailable() === false ) {

				document.body.appendChild( WEBGL.getWebGLErrorMessage() );

			}

			var camera, controls, scene, renderer, effect;

			var sphere, plane;

			var start = Date.now();

			init();
			animate();

			function init() {

				camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.y = 150;
				camera.position.z = 500;

				scene = new THREE.Scene();

				var light = new THREE.PointLight( 0xffffff );
				light.position.set( 500, 500, 500 );
				scene.add( light );

				var light = new THREE.PointLight( 0xffffff, 0.25 );
				light.position.set( - 500, - 500, - 500 );
				scene.add( light );

				sphere = new THREE.Mesh( new THREE.SphereBufferGeometry( 200, 20, 10 ), new THREE.MeshPhongMaterial( { flatShading: true } ) );
				scene.add( sphere );

				// Plane

				plane = new THREE.Mesh( new THREE.PlaneBufferGeometry( 400, 400 ), new THREE.MeshBasicMaterial( { color: 0xe0e0e0 } ) );
				plane.position.y = - 200;
				plane.rotation.x = - Math.PI / 2;
				scene.add( plane );

				renderer = new THREE.WebGLRenderer();
				renderer.setSize( window.innerWidth, window.innerHeight );

				effect = new THREE.AsciiEffect( renderer, ' .:-+*=%@#', { invert: true } );
				effect.setSize( window.innerWidth, window.innerHeight );
				effect.domElement.style.color = 'white';
				effect.domElement.style.backgroundColor = 'black';

				// Special case: append effect.domElement, instead of renderer.domElement.
				// AsciiEffect creates a custom domElement (a div container) where the ASCII elements are placed.

				document.body.appendChild( effect.domElement );

				controls = new THREE.TrackballControls( camera, effect.domElement );

				//

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );
				effect.setSize( window.innerWidth, window.innerHeight );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();

			}

			function render() {

				var timer = Date.now() - start;

				sphere.position.y = Math.abs( Math.sin( timer * 0.002 ) ) * 150;
				sphere.rotation.x = timer * 0.0003;
				sphere.rotation.z = timer * 0.0002;

				controls.update();

				effect.render( scene, camera );

			}

		</script>

	</body>
</html>