You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
344 lines
8.8 KiB
344 lines
8.8 KiB
2 years ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - materials - channels</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> - <span id="description">Normal, Velocity, Depth, DepthRGBA, DepthRGBAUnpacked, Materials</span><br/>
|
||
|
|
by <a href="https://Clara.io">Ben Houston</a>. ninja head from <a href="https://gpuopen.com/archive/gamescgi/amd-gpu-meshmapper/" target="_blank" rel="noopener">AMD GPU MeshMapper</a>
|
||
|
|
</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 Stats from 'three/addons/libs/stats.module.js';
|
||
|
|
|
||
|
|
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
|
||
|
|
import { OBJLoader } from 'three/addons/loaders/OBJLoader.js';
|
||
|
|
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
|
||
|
|
import { VelocityShader } from 'three/addons/shaders/VelocityShader.js';
|
||
|
|
|
||
|
|
|
||
|
|
let stats;
|
||
|
|
|
||
|
|
let camera, scene, renderer;
|
||
|
|
|
||
|
|
const params = {
|
||
|
|
material: 'normal',
|
||
|
|
camera: 'perspective',
|
||
|
|
side: 'double'
|
||
|
|
};
|
||
|
|
|
||
|
|
const sides = {
|
||
|
|
'front': THREE.FrontSide,
|
||
|
|
'back': THREE.BackSide,
|
||
|
|
'double': THREE.DoubleSide
|
||
|
|
};
|
||
|
|
|
||
|
|
let cameraOrtho, cameraPerspective;
|
||
|
|
let controlsOrtho, controlsPerspective;
|
||
|
|
|
||
|
|
let mesh, materialStandard, materialDepthBasic, materialDepthRGBA, materialNormal, materialVelocity;
|
||
|
|
|
||
|
|
const SCALE = 2.436143; // from original model
|
||
|
|
const BIAS = - 0.428408; // from original model
|
||
|
|
|
||
|
|
init();
|
||
|
|
animate();
|
||
|
|
initGui();
|
||
|
|
|
||
|
|
// Init gui
|
||
|
|
function initGui() {
|
||
|
|
|
||
|
|
const gui = new GUI();
|
||
|
|
gui.add( params, 'material', [ 'standard', 'normal', 'velocity', 'depthBasic', 'depthRGBA' ] );
|
||
|
|
gui.add( params, 'camera', [ 'perspective', 'ortho' ] );
|
||
|
|
gui.add( params, 'side', [ 'front', 'back', 'double' ] );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
const container = document.createElement( 'div' );
|
||
|
|
document.body.appendChild( container );
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer();
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
container.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
|
||
|
|
const aspect = window.innerWidth / window.innerHeight;
|
||
|
|
cameraPerspective = new THREE.PerspectiveCamera( 45, aspect, 500, 3000 );
|
||
|
|
cameraPerspective.position.z = 1500;
|
||
|
|
scene.add( cameraPerspective );
|
||
|
|
|
||
|
|
const height = 500;
|
||
|
|
cameraOrtho = new THREE.OrthographicCamera( - height * aspect, height * aspect, height, - height, 1000, 2500 );
|
||
|
|
cameraOrtho.position.z = 1500;
|
||
|
|
scene.add( cameraOrtho );
|
||
|
|
|
||
|
|
camera = cameraPerspective;
|
||
|
|
|
||
|
|
controlsPerspective = new OrbitControls( cameraPerspective, renderer.domElement );
|
||
|
|
controlsPerspective.minDistance = 1000;
|
||
|
|
controlsPerspective.maxDistance = 2400;
|
||
|
|
controlsPerspective.enablePan = false;
|
||
|
|
controlsPerspective.enableDamping = true;
|
||
|
|
|
||
|
|
controlsOrtho = new OrbitControls( cameraOrtho, renderer.domElement );
|
||
|
|
controlsOrtho.minZoom = 0.5;
|
||
|
|
controlsOrtho.maxZoom = 1.5;
|
||
|
|
controlsOrtho.enablePan = false;
|
||
|
|
controlsOrtho.enableDamping = true;
|
||
|
|
|
||
|
|
// lights
|
||
|
|
|
||
|
|
const ambientLight = new THREE.AmbientLight( 0xffffff, 0.1 );
|
||
|
|
scene.add( ambientLight );
|
||
|
|
|
||
|
|
const pointLight = new THREE.PointLight( 0xff0000, 0.5 );
|
||
|
|
pointLight.position.z = 2500;
|
||
|
|
scene.add( pointLight );
|
||
|
|
|
||
|
|
const pointLight2 = new THREE.PointLight( 0xff6666, 1 );
|
||
|
|
camera.add( pointLight2 );
|
||
|
|
|
||
|
|
const pointLight3 = new THREE.PointLight( 0x0000ff, 0.5 );
|
||
|
|
pointLight3.position.x = - 1000;
|
||
|
|
pointLight3.position.z = 1000;
|
||
|
|
scene.add( pointLight3 );
|
||
|
|
|
||
|
|
// textures
|
||
|
|
|
||
|
|
const textureLoader = new THREE.TextureLoader();
|
||
|
|
const normalMap = textureLoader.load( 'models/obj/ninja/normal.png' );
|
||
|
|
const aoMap = textureLoader.load( 'models/obj/ninja/ao.jpg' );
|
||
|
|
const displacementMap = textureLoader.load( 'models/obj/ninja/displacement.jpg' );
|
||
|
|
|
||
|
|
// material
|
||
|
|
|
||
|
|
materialStandard = new THREE.MeshStandardMaterial( {
|
||
|
|
color: 0xffffff,
|
||
|
|
|
||
|
|
metalness: 0.5,
|
||
|
|
roughness: 0.6,
|
||
|
|
|
||
|
|
displacementMap: displacementMap,
|
||
|
|
displacementScale: SCALE,
|
||
|
|
displacementBias: BIAS,
|
||
|
|
|
||
|
|
aoMap: aoMap,
|
||
|
|
|
||
|
|
normalMap: normalMap,
|
||
|
|
normalScale: new THREE.Vector2( 1, - 1 ),
|
||
|
|
|
||
|
|
//flatShading: true,
|
||
|
|
|
||
|
|
side: THREE.DoubleSide
|
||
|
|
} );
|
||
|
|
|
||
|
|
materialDepthBasic = new THREE.MeshDepthMaterial( {
|
||
|
|
depthPacking: THREE.BasicDepthPacking,
|
||
|
|
|
||
|
|
displacementMap: displacementMap,
|
||
|
|
displacementScale: SCALE,
|
||
|
|
displacementBias: BIAS,
|
||
|
|
|
||
|
|
side: THREE.DoubleSide
|
||
|
|
} );
|
||
|
|
|
||
|
|
materialDepthRGBA = new THREE.MeshDepthMaterial( {
|
||
|
|
depthPacking: THREE.RGBADepthPacking,
|
||
|
|
|
||
|
|
displacementMap: displacementMap,
|
||
|
|
displacementScale: SCALE,
|
||
|
|
displacementBias: BIAS,
|
||
|
|
|
||
|
|
side: THREE.DoubleSide
|
||
|
|
} );
|
||
|
|
|
||
|
|
materialNormal = new THREE.MeshNormalMaterial( {
|
||
|
|
displacementMap: displacementMap,
|
||
|
|
displacementScale: SCALE,
|
||
|
|
displacementBias: BIAS,
|
||
|
|
|
||
|
|
normalMap: normalMap,
|
||
|
|
normalScale: new THREE.Vector2( 1, - 1 ),
|
||
|
|
|
||
|
|
//flatShading: true,
|
||
|
|
|
||
|
|
side: THREE.DoubleSide
|
||
|
|
} );
|
||
|
|
|
||
|
|
materialVelocity = new THREE.ShaderMaterial( {
|
||
|
|
uniforms: THREE.UniformsUtils.clone( VelocityShader.uniforms ),
|
||
|
|
vertexShader: VelocityShader.vertexShader,
|
||
|
|
fragmentShader: VelocityShader.fragmentShader,
|
||
|
|
side: THREE.DoubleSide
|
||
|
|
} );
|
||
|
|
materialVelocity.uniforms.displacementMap.value = displacementMap;
|
||
|
|
materialVelocity.uniforms.displacementScale.value = SCALE;
|
||
|
|
materialVelocity.uniforms.displacementBias.value = BIAS;
|
||
|
|
materialVelocity.extensions.derivatives = true;
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
const loader = new OBJLoader();
|
||
|
|
loader.load( 'models/obj/ninja/ninjaHead_Low.obj', function ( group ) {
|
||
|
|
|
||
|
|
const geometry = group.children[ 0 ].geometry;
|
||
|
|
geometry.attributes.uv2 = geometry.attributes.uv;
|
||
|
|
geometry.center();
|
||
|
|
|
||
|
|
mesh = new THREE.Mesh( geometry, materialNormal );
|
||
|
|
mesh.scale.multiplyScalar( 25 );
|
||
|
|
mesh.userData.matrixWorldPrevious = new THREE.Matrix4(); // for velocity
|
||
|
|
scene.add( mesh );
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
stats = new Stats();
|
||
|
|
container.appendChild( stats.dom );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
const width = window.innerWidth;
|
||
|
|
const height = window.innerHeight;
|
||
|
|
const aspect = window.innerWidth / window.innerHeight;
|
||
|
|
|
||
|
|
camera.aspect = aspect;
|
||
|
|
|
||
|
|
camera.left = - height * aspect;
|
||
|
|
camera.right = height * aspect;
|
||
|
|
camera.top = height;
|
||
|
|
camera.bottom = - height;
|
||
|
|
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( width, height );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
|
||
|
|
stats.begin();
|
||
|
|
render();
|
||
|
|
stats.end();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
if ( mesh ) {
|
||
|
|
|
||
|
|
let material = mesh.material;
|
||
|
|
|
||
|
|
switch ( params.material ) {
|
||
|
|
|
||
|
|
case 'standard': material = materialStandard; break;
|
||
|
|
case 'depthBasic': material = materialDepthBasic; break;
|
||
|
|
case 'depthRGBA': material = materialDepthRGBA; break;
|
||
|
|
case 'normal': material = materialNormal; break;
|
||
|
|
case 'velocity': material = materialVelocity; break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( sides[ params.side ] !== material.side ) {
|
||
|
|
|
||
|
|
switch ( params.side ) {
|
||
|
|
|
||
|
|
case 'front': material.side = THREE.FrontSide; break;
|
||
|
|
case 'back': material.side = THREE.BackSide; break;
|
||
|
|
case 'double': material.side = THREE.DoubleSide; break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
material.needsUpdate = true;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
mesh.material = material;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
switch ( params.camera ) {
|
||
|
|
|
||
|
|
case 'perspective':
|
||
|
|
camera = cameraPerspective;
|
||
|
|
break;
|
||
|
|
case 'ortho':
|
||
|
|
camera = cameraOrtho;
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
controlsPerspective.update();
|
||
|
|
controlsOrtho.update(); // must update both controls for damping to complete
|
||
|
|
|
||
|
|
// remember camera projection changes
|
||
|
|
|
||
|
|
materialVelocity.uniforms.previousProjectionViewMatrix.value.copy( materialVelocity.uniforms.currentProjectionViewMatrix.value );
|
||
|
|
materialVelocity.uniforms.currentProjectionViewMatrix.value.multiplyMatrices( camera.projectionMatrix, camera.matrixWorldInverse );
|
||
|
|
|
||
|
|
if ( mesh && mesh.userData.matrixWorldPrevious ) {
|
||
|
|
|
||
|
|
materialVelocity.uniforms.modelMatrixPrev.value.copy( mesh.userData.matrixWorldPrevious );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
scene.traverse( function ( object ) {
|
||
|
|
|
||
|
|
if ( object.isMesh ) {
|
||
|
|
|
||
|
|
object.userData.matrixWorldPrevious.copy( object.matrixWorld );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|