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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>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { AsciiEffect } from 'three/addons/effects/AsciiEffect.js';
import { TrackballControls } from 'three/addons/controls/TrackballControls.js';
let camera, controls, scene, renderer, effect;
let sphere, plane;
const 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();
scene.background = new THREE.Color( 0, 0, 0 );
const pointLight1 = new THREE.PointLight( 0xffffff );
pointLight1.position.set( 500, 500, 500 );
scene.add( pointLight1 );
const pointLight2 = new THREE.PointLight( 0xffffff, 0.25 );
pointLight2.position.set( - 500, - 500, - 500 );
scene.add( pointLight2 );
sphere = new THREE.Mesh( new THREE.SphereGeometry( 200, 20, 10 ), new THREE.MeshPhongMaterial( { flatShading: true } ) );
scene.add( sphere );
// Plane
plane = new THREE.Mesh( new THREE.PlaneGeometry( 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 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 TrackballControls( camera, effect.domElement );
//
window.addEventListener( 'resize', onWindowResize );
}
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() {
const 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>