mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-14 18:27:56 +01:00
342 lines
7.8 KiB
HTML
Executable File
342 lines
7.8 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - modifier - Subdivisions using Loop Subdivision Scheme</title>
|
|
<meta charset="utf-8">
|
|
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
|
<style>
|
|
body {
|
|
font-family: Monospace;
|
|
background-color: #f0f0f0;
|
|
margin: 0px;
|
|
overflow: hidden;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
|
|
<script src="../build/three.min.js"></script>
|
|
<script src="js/controls/OrbitControls.js"></script>
|
|
<script src="js/modifiers/SubdivisionModifier.js"></script>
|
|
<script src="js/libs/stats.min.js"></script>
|
|
|
|
<script src="fonts/helvetiker_regular.typeface.js"></script>
|
|
|
|
<script>
|
|
|
|
var container, stats;
|
|
|
|
var camera, controls, scene, renderer;
|
|
|
|
var cube, plane;
|
|
|
|
// Create new object by parameters
|
|
|
|
var createSomething = function( klass, args ) {
|
|
|
|
var F = function( klass, args ) {
|
|
|
|
return klass.apply( this, args );
|
|
|
|
}
|
|
|
|
F.prototype = klass.prototype;
|
|
|
|
return new F( klass, args );
|
|
|
|
};
|
|
|
|
|
|
// Cube
|
|
|
|
var materials = [];
|
|
|
|
for ( var i = 0; i < 6; i ++ ) {
|
|
|
|
materials.push( [ new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff, wireframe: false } ) ] );
|
|
|
|
}
|
|
|
|
|
|
|
|
var geometriesParams = [
|
|
|
|
{ type: 'BoxGeometry', args: [ 200, 200, 200, 2, 2, 2, materials ] },
|
|
{ type: 'TorusGeometry', args: [ 100, 60, 4, 8, Math.PI*2 ] },
|
|
{ type: 'TorusKnotGeometry', args: [ ], scale:0.25, meshScale:4 },
|
|
{ type: 'SphereGeometry', args: [ 100, 3, 3 ], meshScale:2 },
|
|
{ type: 'IcosahedronGeometry', args: [ 100, 1 ], meshScale:2 },
|
|
{ type: 'CylinderGeometry', args: [ 25, 75, 200, 8, 3 ]} ,
|
|
{ type: 'OctahedronGeometry', args: [200, 0], meshScale:2 },
|
|
{ type: 'LatheGeometry', args: [ [
|
|
new THREE.Vector3(0,0,0),
|
|
new THREE.Vector3(0,50,50),
|
|
new THREE.Vector3(0,10,100),
|
|
new THREE.Vector3(0,50,150),
|
|
new THREE.Vector3(0,0,200) ] ]},
|
|
{ type: 'TextGeometry', args: ['&', {
|
|
size: 200,
|
|
height: 50,
|
|
curveSegments: 1,
|
|
font: "helvetiker"
|
|
|
|
}]},
|
|
{ type: 'PlaneGeometry', args: [ 200, 200, 4, 4 ] }
|
|
|
|
];
|
|
|
|
var loader = new THREE.JSONLoader();
|
|
loader.load( 'obj/WaltHeadLo.js', function ( geometry ) {
|
|
|
|
geometriesParams.push({type: 'WaltHead', args: [ ], meshScale: 6 });
|
|
|
|
THREE.WaltHead = function() {
|
|
return geometry.clone();
|
|
};
|
|
|
|
updateInfo()
|
|
|
|
});
|
|
|
|
var loader2 = new THREE.JSONLoader();
|
|
loader2.load( 'obj/Suzanne.js', function ( geometry ) {
|
|
|
|
geometriesParams.push({type: 'Suzanne', args: [ ], scale: 100, meshScale:2 });
|
|
|
|
THREE.Suzanne = function() {
|
|
return geometry.clone();
|
|
};
|
|
|
|
updateInfo()
|
|
|
|
} );
|
|
|
|
|
|
var info;
|
|
var subdivisions = 2;
|
|
var geometryIndex = 0;
|
|
|
|
// start scene
|
|
|
|
init();
|
|
animate();
|
|
|
|
function nextSubdivision( x ) {
|
|
|
|
subdivisions = Math.max( 0, subdivisions + x );
|
|
addStuff();
|
|
|
|
}
|
|
|
|
function nextGeometry() {
|
|
|
|
geometryIndex ++;
|
|
|
|
if ( geometryIndex > geometriesParams.length - 1 ) {
|
|
|
|
geometryIndex = 0;
|
|
|
|
}
|
|
|
|
addStuff();
|
|
|
|
}
|
|
|
|
function switchGeometry(i) {
|
|
|
|
geometryIndex = i;
|
|
|
|
addStuff();
|
|
}
|
|
|
|
function updateInfo() {
|
|
|
|
var params = geometriesParams[ geometryIndex ];
|
|
|
|
var dropdown = '<select id="dropdown" onchange="switchGeometry(this.value)">';
|
|
|
|
for ( i = 0; i < geometriesParams.length; i ++ ) {
|
|
dropdown += '<option value="' + i + '"';
|
|
|
|
dropdown += (geometryIndex == i) ? ' selected' : '';
|
|
|
|
dropdown += '>' + geometriesParams[i].type + '</option>';
|
|
}
|
|
|
|
dropdown += '</select>';
|
|
|
|
info.innerHTML = 'Drag to spin THREE.' + params.type +
|
|
|
|
'<br><br>Subdivisions: ' + subdivisions +
|
|
' <a href="#" onclick="nextSubdivision(1); return false;">more</a>/<a href="#" onclick="nextSubdivision(-1); return false;">less</a>' +
|
|
'<br>Geometry: ' + dropdown + ' <a href="#" onclick="nextGeometry();return false;">next</a>' +
|
|
'<br><br>Vertices count: before ' + geometry.vertices.length + ' after ' + smooth.vertices.length +
|
|
'<br>Face count: before ' + geometry.faces.length + ' after ' + smooth.faces.length
|
|
; //+ params.args;
|
|
}
|
|
|
|
function addStuff() {
|
|
|
|
if ( cube ) {
|
|
|
|
scene.remove( group );
|
|
scene.remove( cube );
|
|
|
|
}
|
|
|
|
|
|
var modifier = new THREE.SubdivisionModifier( subdivisions );
|
|
|
|
|
|
var params = geometriesParams[ geometryIndex ];
|
|
|
|
geometry = createSomething( THREE[ params.type ], params.args );
|
|
|
|
// Scale Geometry
|
|
|
|
if ( params.scale ) {
|
|
|
|
geometry.applyMatrix( new THREE.Matrix4().makeScale( params.scale, params.scale, params.scale ) );
|
|
|
|
}
|
|
|
|
// Cloning original geometry for debuging
|
|
|
|
smooth = geometry.clone();
|
|
|
|
// mergeVertices(); is run in case of duplicated vertices
|
|
smooth.mergeVertices();
|
|
smooth.computeFaceNormals();
|
|
smooth.computeVertexNormals();
|
|
|
|
modifier.modify( smooth );
|
|
|
|
updateInfo();
|
|
|
|
var faceABCD = "abcd";
|
|
var color, f, p, n, vertexIndex;
|
|
|
|
for ( i = 0; i < smooth.faces.length; i ++ ) {
|
|
|
|
f = smooth.faces[ i ];
|
|
|
|
|
|
n = ( f instanceof THREE.Face3 ) ? 3 : 4;
|
|
|
|
for( var j = 0; j < n; j++ ) {
|
|
|
|
vertexIndex = f[ faceABCD.charAt( j ) ];
|
|
|
|
p = smooth.vertices[ vertexIndex ];
|
|
|
|
color = new THREE.Color( 0xffffff );
|
|
color.setHSL( ( p.y ) / 200 + 0.5, 1.0, 0.5 );
|
|
|
|
f.vertexColors[ j ] = color;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
group = new THREE.Group();
|
|
scene.add( group );
|
|
|
|
var material = new THREE.MeshBasicMaterial( { color: 0xfefefe, wireframe: true, opacity: 0.5 } );
|
|
var mesh = new THREE.Mesh( geometry, material )
|
|
group.add( mesh );
|
|
|
|
var meshmaterials = [
|
|
new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading, vertexColors: THREE.VertexColors } ),
|
|
new THREE.MeshBasicMaterial( { color: 0x405040, wireframe: true, opacity: 0.8, transparent: true } )
|
|
];
|
|
|
|
cube = THREE.SceneUtils.createMultiMaterialObject( smooth, meshmaterials );
|
|
|
|
var meshScale = params.meshScale ? params.meshScale : 1;
|
|
|
|
cube.scale.x = meshScale;
|
|
cube.scale.y = meshScale;
|
|
cube.scale.z = meshScale;
|
|
|
|
scene.add( cube );
|
|
|
|
group.scale.copy( cube.scale );
|
|
|
|
}
|
|
|
|
function init() {
|
|
|
|
container = document.createElement( 'div' );
|
|
document.body.appendChild( container );
|
|
|
|
info = document.createElement( 'div' );
|
|
info.style.position = 'absolute';
|
|
info.style.top = '10px';
|
|
info.style.width = '100%';
|
|
info.style.textAlign = 'center';
|
|
info.innerHTML = 'Drag to spin the geometry ';
|
|
container.appendChild( info );
|
|
|
|
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
|
|
camera.position.z = 500;
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
var light = new THREE.PointLight( 0xffffff, 1.5 );
|
|
light.position.set( 1000, 1000, 2000 );
|
|
scene.add( light );
|
|
|
|
addStuff();
|
|
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } ); // WebGLRenderer CanvasRenderer
|
|
renderer.setClearColor( 0xf0f0f0 );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
container.appendChild( renderer.domElement );
|
|
|
|
stats = new Stats();
|
|
stats.domElement.style.position = 'absolute';
|
|
stats.domElement.style.top = '0px';
|
|
container.appendChild( stats.domElement );
|
|
|
|
//
|
|
|
|
controls = new THREE.OrbitControls( camera, renderer.domElement );
|
|
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
}
|
|
|
|
function onWindowResize() {
|
|
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
|
camera.updateProjectionMatrix();
|
|
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
controls.update();
|
|
|
|
render();
|
|
stats.update();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|