mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-26 15:34:57 +01:00
348 lines
8.2 KiB
HTML
348 lines
8.2 KiB
HTML
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<!doctype html>
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<html lang="en">
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<head>
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<title>WebGL decals</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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color: #fff;
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font-family:Monospace;
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font-size:13px;
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margin: 0px;
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text-align:center;
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overflow: hidden;
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}
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#info{ position: absolute; width: 100%; padding: 5px; }
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</style>
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</head>
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<body>
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<div id="container"></div>
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<div id="info">
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<strong>Decal Splatter</strong><br />
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Click or tap to shoot.</p>
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</div>
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<script src="../build/three.min.js"></script>
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<script src="js/geometries/DecalGeometry.js"></script>
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<script src="js/controls/OrbitControls.js"></script>
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<script src="js/libs/dat.gui.min.js"></script>
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<script>
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var container = document.getElementById( 'container' );
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var renderer, scene, camera, fov = 45;
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var mesh, decal;
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var raycaster;
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var line;
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var intersection = {
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intersects: false,
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point: new THREE.Vector3(),
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normal: new THREE.Vector3()
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};
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var controls;
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var mouse = new THREE.Vector2();
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var decalDiffuse = THREE.ImageUtils.loadTexture( 'textures/decal/decal-diffuse.png' );
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var decalNormal = THREE.ImageUtils.loadTexture( 'textures/decal/decal-normal.jpg' );
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var decalMaterial = new THREE.MeshPhongMaterial( {
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specular: 0x444444,
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map: decalDiffuse,
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normalMap: decalNormal,
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normalScale: new THREE.Vector2( 1, 1 ),
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shininess: 30,
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transparent: true,
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depthTest: true,
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depthWrite: false,
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polygonOffset: true,
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polygonOffsetFactor: -4,
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wireframe: false
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});
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/*decalMaterial = new THREE.MeshNormalMaterial( {
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transparent: true,
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depthTest: true,
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depthWrite: false,
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polygonOffset: true,
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polygonOffsetFactor: -4,
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shading: THREE.SmoothShading
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});*/
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var decals = [];
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var decalHelper, mouseHelper;
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var p = new THREE.Vector3( 0, 0, 0 );
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var r = new THREE.Vector3( 0, 0, 0 );
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var s = new THREE.Vector3( 10, 10, 10 );
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var up = new THREE.Vector3( 0, 1, 0 );
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var check = new THREE.Vector3( 1, 1, 1 );
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var params = {
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projection: 'normal',
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minScale: 10,
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maxScale: 20,
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rotate: true,
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clear: function() {
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removeDecals();
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}
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};
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window.addEventListener( 'load', init );
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function init() {
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.z = 100;
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camera.target = new THREE.Vector3();
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controls = new THREE.OrbitControls( camera, renderer.domElement );
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controls.minDistance = 50;
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controls.maxDistance = 200;
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var light = new THREE.HemisphereLight( 0xffddcc, 0x111122 );
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light.position.set( 1, 0.75, 0.5 );
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scene.add( light );
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line = new THREE.Line( new THREE.Geometry( ), new THREE.LineBasicMaterial( { linewidth: 4 }) );
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line.geometry.vertices.push( new THREE.Vector3( 0, 0, 0 ) );
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line.geometry.vertices.push( new THREE.Vector3( 0, 0, 0 ) );
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scene.add( line );
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loadLeePerrySmith();
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raycaster = new THREE.Raycaster();
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mouseHelper = new THREE.Mesh( new THREE.BoxGeometry( 1, 1, 10 ), new THREE.MeshNormalMaterial() );
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mouseHelper.visible = false;
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scene.add( mouseHelper );
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window.addEventListener( 'resize', onWindowResize, false );
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var moved = false;
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controls.addEventListener( 'change', function() {
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moved = true;
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} );
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window.addEventListener( 'mousedown', function () {
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moved = false;
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}, false );
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window.addEventListener( 'mouseup', function() {
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checkIntersection();
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if( !moved ) shoot();
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} );
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window.addEventListener( 'mousemove', onTouchMove );
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window.addEventListener( 'touchmove', onTouchMove );
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function onTouchMove( event ) {
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if( event.changedTouches ) {
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x = event.changedTouches[ 0 ].pageX;
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y = event.changedTouches[ 0 ].pageY;
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} else {
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x = event.clientX;
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y = event.clientY;
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}
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mouse.x = ( x / window.innerWidth ) * 2 - 1;
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mouse.y = - ( y / window.innerHeight ) * 2 + 1;
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checkIntersection();
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}
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function checkIntersection() {
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if( !mesh ) return;
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raycaster.setFromCamera( mouse, camera );
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var intersects = raycaster.intersectObjects( [ mesh ] );
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if ( intersects.length > 0 ) {
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var p = intersects[ 0 ].point;
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mouseHelper.position.copy( p );
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intersection.point.copy( p );
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var n = intersects[ 0 ].face.normal.clone();
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n.multiplyScalar( 10 );
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n.add( intersects[ 0 ].point );
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intersection.normal.copy( intersects[ 0 ].face.normal );
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mouseHelper.lookAt( n );
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line.geometry.vertices[ 0 ].copy( intersection.point );
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line.geometry.vertices[ 1 ].copy( n );
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line.geometry.verticesNeedUpdate = true;
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intersection.intersects = true;
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} else {
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intersection.intersects = false;
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}
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}
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var gui = new dat.GUI();
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gui.add( params, 'projection', { 'From cam to mesh': 'camera', 'Normal to mesh': 'normal' } );
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gui.add( params, 'minScale', 1, 30 );
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gui.add( params, 'maxScale', 1, 30 );
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gui.add( params, 'rotate' );
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gui.add( params, 'clear' );
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gui.open();
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onWindowResize();
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render();
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}
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function loadLeePerrySmith( callback ) {
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var loader = new THREE.JSONLoader();
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loader.load( 'obj/leeperrysmith/LeePerrySmith.js', function( geometry ) {
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geometry.verticesNeedUpdate = true;
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geometry.elementsNeedUpdate = true;
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geometry.morphTargetsNeedUpdate = true;
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geometry.uvsNeedUpdate = true;
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geometry.normalsNeedUpdate = true;
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geometry.colorsNeedUpdate = true;
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geometry.tangentsNeedUpdate = true;
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var material = new THREE.MeshPhongMaterial( {
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map: THREE.ImageUtils.loadTexture( 'obj/leeperrysmith/Map-COL.jpg' ),
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specularMap: THREE.ImageUtils.loadTexture( 'obj/leeperrysmith/Map-SPEC.jpg' ),
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normalMap: THREE.ImageUtils.loadTexture( 'obj/leeperrysmith/Infinite-Level_02_Tangent_SmoothUV.jpg' ),
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shininess: 10
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} );
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mesh = new THREE.Mesh( geometry, material );
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scene.add( mesh );
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mesh.scale.set( 10, 10, 10 );
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//scene.add( new THREE.FaceNormalsHelper( mesh, 1 ) );
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//scene.add( new THREE.VertexNormalsHelper( mesh, 1 ) );
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} );
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}
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function shoot() {
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if( params.projection == 'camera' ) {
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var dir = camera.target.clone();
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dir.sub( camera.position );
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p = intersection.point;
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var m = new THREE.Matrix4();
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var c = dir.clone();
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c.negate();
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c.multiplyScalar( 10 );
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c.add( p );
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m.lookAt( p, c, up );
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m = m.extractRotation( m );
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dummy = new THREE.Object3D();
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dummy.rotation.setFromRotationMatrix( m );
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r.set( dummy.rotation.x, dummy.rotation.y, dummy.rotation.z );
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} else {
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p = intersection.point;
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r.copy( mouseHelper.rotation );
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}
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var scale = params.minScale + Math.random() * ( params.maxScale - params.minScale );
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s.set( scale, scale, scale );
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if( params.rotate) r.z = Math.random() * 2 * Math.PI;
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var material = decalMaterial.clone();
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material.color.setHex( Math.random() * 0xffffff );
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var m = new THREE.Mesh( new THREE.DecalGeometry( mesh, p, r, s, check ), material );
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decals.push( m );
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scene.add( m );
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}
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function removeDecals() {
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decals.forEach( function( d ) {
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scene.remove( d );
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d = null;
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} );
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decals = [];
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};
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function mergeDecals() {
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var merge = {};
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decals.forEach(function (decal) {
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var uuid = decal.material.uuid;
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var d = merge[uuid] = merge[uuid] || {};
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d.material = d.material || decal.material;
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d.geometry = d.geometry || new THREE.Geometry();
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d.geometry.merge(decal.geometry, decal.matrix);
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});
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removeDecals();
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for (var key in merge) {
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var d = merge[key];
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var mesh = new THREE.Mesh(d.geometry, d.material);
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scene.add(mesh);
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decals.push(mesh);
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}
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function render() {
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requestAnimationFrame( render );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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