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.
305 lines
7.3 KiB
305 lines
7.3 KiB
3 years ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - decal splatter</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="container"></div>
|
||
|
|
<div id="info">
|
||
|
|
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - decal splatter<br/>
|
||
|
|
click to shoot
|
||
|
|
</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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
|
||
|
|
import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
|
||
|
|
import { DecalGeometry } from 'three/addons/geometries/DecalGeometry.js';
|
||
|
|
|
||
|
|
const container = document.getElementById( 'container' );
|
||
|
|
|
||
|
|
let renderer, scene, camera, stats;
|
||
|
|
let mesh;
|
||
|
|
let raycaster;
|
||
|
|
let line;
|
||
|
|
|
||
|
|
const intersection = {
|
||
|
|
intersects: false,
|
||
|
|
point: new THREE.Vector3(),
|
||
|
|
normal: new THREE.Vector3()
|
||
|
|
};
|
||
|
|
const mouse = new THREE.Vector2();
|
||
|
|
const intersects = [];
|
||
|
|
|
||
|
|
const textureLoader = new THREE.TextureLoader();
|
||
|
|
const decalDiffuse = textureLoader.load( 'textures/decal/decal-diffuse.png' );
|
||
|
|
const decalNormal = textureLoader.load( 'textures/decal/decal-normal.jpg' );
|
||
|
|
|
||
|
|
const decalMaterial = new THREE.MeshPhongMaterial( {
|
||
|
|
specular: 0x444444,
|
||
|
|
map: decalDiffuse,
|
||
|
|
normalMap: decalNormal,
|
||
|
|
normalScale: new THREE.Vector2( 1, 1 ),
|
||
|
|
shininess: 30,
|
||
|
|
transparent: true,
|
||
|
|
depthTest: true,
|
||
|
|
depthWrite: false,
|
||
|
|
polygonOffset: true,
|
||
|
|
polygonOffsetFactor: - 4,
|
||
|
|
wireframe: false
|
||
|
|
} );
|
||
|
|
|
||
|
|
const decals = [];
|
||
|
|
let mouseHelper;
|
||
|
|
const position = new THREE.Vector3();
|
||
|
|
const orientation = new THREE.Euler();
|
||
|
|
const size = new THREE.Vector3( 10, 10, 10 );
|
||
|
|
|
||
|
|
const params = {
|
||
|
|
minScale: 10,
|
||
|
|
maxScale: 20,
|
||
|
|
rotate: true,
|
||
|
|
clear: function () {
|
||
|
|
|
||
|
|
removeDecals();
|
||
|
|
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
init();
|
||
|
|
animate();
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
container.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
stats = new Stats();
|
||
|
|
container.appendChild( stats.dom );
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
|
||
|
|
camera.position.z = 120;
|
||
|
|
|
||
|
|
const controls = new OrbitControls( camera, renderer.domElement );
|
||
|
|
controls.minDistance = 50;
|
||
|
|
controls.maxDistance = 200;
|
||
|
|
|
||
|
|
scene.add( new THREE.AmbientLight( 0x443333 ) );
|
||
|
|
|
||
|
|
const dirLight1 = new THREE.DirectionalLight( 0xffddcc, 1 );
|
||
|
|
dirLight1.position.set( 1, 0.75, 0.5 );
|
||
|
|
scene.add( dirLight1 );
|
||
|
|
|
||
|
|
const dirLight2 = new THREE.DirectionalLight( 0xccccff, 1 );
|
||
|
|
dirLight2.position.set( - 1, 0.75, - 0.5 );
|
||
|
|
scene.add( dirLight2 );
|
||
|
|
|
||
|
|
const geometry = new THREE.BufferGeometry();
|
||
|
|
geometry.setFromPoints( [ new THREE.Vector3(), new THREE.Vector3() ] );
|
||
|
|
|
||
|
|
line = new THREE.Line( geometry, new THREE.LineBasicMaterial() );
|
||
|
|
scene.add( line );
|
||
|
|
|
||
|
|
loadLeePerrySmith();
|
||
|
|
|
||
|
|
raycaster = new THREE.Raycaster();
|
||
|
|
|
||
|
|
mouseHelper = new THREE.Mesh( new THREE.BoxGeometry( 1, 1, 10 ), new THREE.MeshNormalMaterial() );
|
||
|
|
mouseHelper.visible = false;
|
||
|
|
scene.add( mouseHelper );
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
let moved = false;
|
||
|
|
|
||
|
|
controls.addEventListener( 'change', function () {
|
||
|
|
|
||
|
|
moved = true;
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
window.addEventListener( 'pointerdown', function () {
|
||
|
|
|
||
|
|
moved = false;
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
window.addEventListener( 'pointerup', function ( event ) {
|
||
|
|
|
||
|
|
if ( moved === false ) {
|
||
|
|
|
||
|
|
checkIntersection( event.clientX, event.clientY );
|
||
|
|
|
||
|
|
if ( intersection.intersects ) shoot();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
window.addEventListener( 'pointermove', onPointerMove );
|
||
|
|
|
||
|
|
function onPointerMove( event ) {
|
||
|
|
|
||
|
|
if ( event.isPrimary ) {
|
||
|
|
|
||
|
|
checkIntersection( event.clientX, event.clientY );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function checkIntersection( x, y ) {
|
||
|
|
|
||
|
|
if ( mesh === undefined ) return;
|
||
|
|
|
||
|
|
mouse.x = ( x / window.innerWidth ) * 2 - 1;
|
||
|
|
mouse.y = - ( y / window.innerHeight ) * 2 + 1;
|
||
|
|
|
||
|
|
raycaster.setFromCamera( mouse, camera );
|
||
|
|
raycaster.intersectObject( mesh, false, intersects );
|
||
|
|
|
||
|
|
if ( intersects.length > 0 ) {
|
||
|
|
|
||
|
|
const p = intersects[ 0 ].point;
|
||
|
|
mouseHelper.position.copy( p );
|
||
|
|
intersection.point.copy( p );
|
||
|
|
|
||
|
|
const n = intersects[ 0 ].face.normal.clone();
|
||
|
|
n.transformDirection( mesh.matrixWorld );
|
||
|
|
n.multiplyScalar( 10 );
|
||
|
|
n.add( intersects[ 0 ].point );
|
||
|
|
|
||
|
|
intersection.normal.copy( intersects[ 0 ].face.normal );
|
||
|
|
mouseHelper.lookAt( n );
|
||
|
|
|
||
|
|
const positions = line.geometry.attributes.position;
|
||
|
|
positions.setXYZ( 0, p.x, p.y, p.z );
|
||
|
|
positions.setXYZ( 1, n.x, n.y, n.z );
|
||
|
|
positions.needsUpdate = true;
|
||
|
|
|
||
|
|
intersection.intersects = true;
|
||
|
|
|
||
|
|
intersects.length = 0;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
intersection.intersects = false;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
const gui = new GUI();
|
||
|
|
|
||
|
|
gui.add( params, 'minScale', 1, 30 );
|
||
|
|
gui.add( params, 'maxScale', 1, 30 );
|
||
|
|
gui.add( params, 'rotate' );
|
||
|
|
gui.add( params, 'clear' );
|
||
|
|
gui.open();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function loadLeePerrySmith() {
|
||
|
|
|
||
|
|
const loader = new GLTFLoader();
|
||
|
|
|
||
|
|
loader.load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
|
||
|
|
|
||
|
|
mesh = gltf.scene.children[ 0 ];
|
||
|
|
mesh.material = new THREE.MeshPhongMaterial( {
|
||
|
|
specular: 0x111111,
|
||
|
|
map: textureLoader.load( 'models/gltf/LeePerrySmith/Map-COL.jpg' ),
|
||
|
|
specularMap: textureLoader.load( 'models/gltf/LeePerrySmith/Map-SPEC.jpg' ),
|
||
|
|
normalMap: textureLoader.load( 'models/gltf/LeePerrySmith/Infinite-Level_02_Tangent_SmoothUV.jpg' ),
|
||
|
|
shininess: 25
|
||
|
|
} );
|
||
|
|
|
||
|
|
scene.add( mesh );
|
||
|
|
mesh.scale.set( 10, 10, 10 );
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function shoot() {
|
||
|
|
|
||
|
|
position.copy( intersection.point );
|
||
|
|
orientation.copy( mouseHelper.rotation );
|
||
|
|
|
||
|
|
if ( params.rotate ) orientation.z = Math.random() * 2 * Math.PI;
|
||
|
|
|
||
|
|
const scale = params.minScale + Math.random() * ( params.maxScale - params.minScale );
|
||
|
|
size.set( scale, scale, scale );
|
||
|
|
|
||
|
|
const material = decalMaterial.clone();
|
||
|
|
material.color.setHex( Math.random() * 0xffffff );
|
||
|
|
|
||
|
|
const m = new THREE.Mesh( new DecalGeometry( mesh, position, orientation, size ), material );
|
||
|
|
|
||
|
|
decals.push( m );
|
||
|
|
scene.add( m );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function removeDecals() {
|
||
|
|
|
||
|
|
decals.forEach( function ( d ) {
|
||
|
|
|
||
|
|
scene.remove( d );
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
decals.length = 0;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
stats.update();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|