212 lines
5.4 KiB
HTML
212 lines
5.4 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - materials - dynamic cube reflection</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">
|
||
|
|
<style>
|
||
|
|
body {
|
||
|
|
touch-action: none;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
|
||
|
|
<div id="info"><a href="https://threejs.org" target="_blank" rel="noopener">three.js webgl</a> - materials - dynamic cube reflection<br/>Photo by <a href="http://www.flickr.com/photos/jonragnarsson/2294472375/" target="_blank" rel="noopener">Jón Ragnarsson</a>.</div>
|
||
|
|
|
||
|
|
<script type="module">
|
||
|
|
|
||
|
|
import * as THREE from '../build/three.module.js';
|
||
|
|
|
||
|
|
let camera, scene, renderer;
|
||
|
|
let cube, sphere, torus, material;
|
||
|
|
|
||
|
|
let count = 0, cubeCamera1, cubeCamera2, cubeRenderTarget1, cubeRenderTarget2;
|
||
|
|
|
||
|
|
let onPointerDownPointerX, onPointerDownPointerY, onPointerDownLon, onPointerDownLat;
|
||
|
|
|
||
|
|
let lon = 0, lat = 0;
|
||
|
|
let phi = 0, theta = 0;
|
||
|
|
|
||
|
|
const textureLoader = new THREE.TextureLoader();
|
||
|
|
|
||
|
|
textureLoader.load( 'textures/2294472375_24a3b8ef46_o.jpg', function ( texture ) {
|
||
|
|
|
||
|
|
texture.encoding = THREE.sRGBEncoding;
|
||
|
|
texture.mapping = THREE.EquirectangularReflectionMapping;
|
||
|
|
|
||
|
|
init( texture );
|
||
|
|
animate();
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
function init( texture ) {
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
renderer.outputEncoding = THREE.sRGBEncoding;
|
||
|
|
document.body.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
scene.background = texture;
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
cubeRenderTarget1 = new THREE.WebGLCubeRenderTarget( 256, {
|
||
|
|
format: THREE.RGBFormat,
|
||
|
|
generateMipmaps: true,
|
||
|
|
minFilter: THREE.LinearMipmapLinearFilter,
|
||
|
|
encoding: THREE.sRGBEncoding // temporary -- to prevent the material's shader from recompiling every frame
|
||
|
|
} );
|
||
|
|
|
||
|
|
cubeCamera1 = new THREE.CubeCamera( 1, 1000, cubeRenderTarget1 );
|
||
|
|
|
||
|
|
cubeRenderTarget2 = new THREE.WebGLCubeRenderTarget( 256, {
|
||
|
|
format: THREE.RGBFormat,
|
||
|
|
generateMipmaps: true,
|
||
|
|
minFilter: THREE.LinearMipmapLinearFilter,
|
||
|
|
encoding: THREE.sRGBEncoding
|
||
|
|
} );
|
||
|
|
|
||
|
|
cubeCamera2 = new THREE.CubeCamera( 1, 1000, cubeRenderTarget2 );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
material = new THREE.MeshBasicMaterial( {
|
||
|
|
envMap: cubeRenderTarget2.texture,
|
||
|
|
combine: THREE.MultiplyOperation,
|
||
|
|
reflectivity: 1
|
||
|
|
} );
|
||
|
|
|
||
|
|
sphere = new THREE.Mesh( new THREE.IcosahedronGeometry( 20, 8 ), material );
|
||
|
|
scene.add( sphere );
|
||
|
|
|
||
|
|
cube = new THREE.Mesh( new THREE.BoxGeometry( 20, 20, 20 ), material );
|
||
|
|
scene.add( cube );
|
||
|
|
|
||
|
|
torus = new THREE.Mesh( new THREE.TorusKnotGeometry( 10, 5, 128, 16 ), material );
|
||
|
|
scene.add( torus );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
document.addEventListener( 'pointerdown', onPointerDown );
|
||
|
|
document.addEventListener( 'wheel', onDocumentMouseWheel );
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResized );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResized() {
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onPointerDown( event ) {
|
||
|
|
|
||
|
|
event.preventDefault();
|
||
|
|
|
||
|
|
onPointerDownPointerX = event.clientX;
|
||
|
|
onPointerDownPointerY = event.clientY;
|
||
|
|
|
||
|
|
onPointerDownLon = lon;
|
||
|
|
onPointerDownLat = lat;
|
||
|
|
|
||
|
|
document.addEventListener( 'pointermove', onPointerMove );
|
||
|
|
document.addEventListener( 'pointerup', onPointerUp );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onPointerMove( event ) {
|
||
|
|
|
||
|
|
lon = ( event.clientX - onPointerDownPointerX ) * 0.1 + onPointerDownLon;
|
||
|
|
lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onPointerUp() {
|
||
|
|
|
||
|
|
document.removeEventListener( 'pointermove', onPointerMove );
|
||
|
|
document.removeEventListener( 'pointerup', onPointerUp );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentMouseWheel( event ) {
|
||
|
|
|
||
|
|
const fov = camera.fov + event.deltaY * 0.05;
|
||
|
|
|
||
|
|
camera.fov = THREE.MathUtils.clamp( fov, 10, 75 );
|
||
|
|
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
render();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
const time = Date.now();
|
||
|
|
|
||
|
|
lon += .15;
|
||
|
|
|
||
|
|
lat = Math.max( - 85, Math.min( 85, lat ) );
|
||
|
|
phi = THREE.MathUtils.degToRad( 90 - lat );
|
||
|
|
theta = THREE.MathUtils.degToRad( lon );
|
||
|
|
|
||
|
|
cube.position.x = Math.cos( time * 0.001 ) * 30;
|
||
|
|
cube.position.y = Math.sin( time * 0.001 ) * 30;
|
||
|
|
cube.position.z = Math.sin( time * 0.001 ) * 30;
|
||
|
|
|
||
|
|
cube.rotation.x += 0.02;
|
||
|
|
cube.rotation.y += 0.03;
|
||
|
|
|
||
|
|
torus.position.x = Math.cos( time * 0.001 + 10 ) * 30;
|
||
|
|
torus.position.y = Math.sin( time * 0.001 + 10 ) * 30;
|
||
|
|
torus.position.z = Math.sin( time * 0.001 + 10 ) * 30;
|
||
|
|
|
||
|
|
torus.rotation.x += 0.02;
|
||
|
|
torus.rotation.y += 0.03;
|
||
|
|
|
||
|
|
camera.position.x = 100 * Math.sin( phi ) * Math.cos( theta );
|
||
|
|
camera.position.y = 100 * Math.cos( phi );
|
||
|
|
camera.position.z = 100 * Math.sin( phi ) * Math.sin( theta );
|
||
|
|
|
||
|
|
camera.lookAt( scene.position );
|
||
|
|
|
||
|
|
// pingpong
|
||
|
|
|
||
|
|
if ( count % 2 === 0 ) {
|
||
|
|
|
||
|
|
cubeCamera1.update( renderer, scene );
|
||
|
|
material.envMap = cubeRenderTarget1.texture;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
cubeCamera2.update( renderer, scene );
|
||
|
|
material.envMap = cubeRenderTarget2.texture;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
count ++;
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|