Doodle3D-Slicer/three.js-master/examples/js/wip/GeometryEditor.js
2015-06-12 15:58:26 +02:00

75 lines
1.6 KiB
JavaScript
Executable File

/**
* @author mrdoob / http://mrdoob.com/
*/
THREE.GeometryEditor = function ( geometry ) {
this.geometry = geometry;
};
Object.defineProperties( THREE.GeometryEditor.prototype, {
vertices: {
enumerable: true,
get: function() { return this.createVertexProxies(); }
},
normals: {
enumerable: true,
get: function() { return this.createNormalProxies(); }
},
uvs: {
enumerable: true,
get: function() { return this.createUVProxies(); }
}
} );
THREE.GeometryEditor.prototype.createVertexProxies = function () {
Object.defineProperty( this, 'vertices', { value: [], writable: true } );
var attributes = this.geometry.attributes;
var length = attributes.position.array.length / 3;
for ( var i = 0; i < length; i ++ ) {
this.vertices.push( new THREE.ProxyVector3( attributes.position.array, i * 3 ) );
}
return this.vertices;
};
THREE.GeometryEditor.prototype.createNormalProxies = function () {
Object.defineProperty( this, 'normals', { value: [], writable: true } );
var attributes = this.geometry.attributes;
var length = attributes.position.array.length / 3;
for ( var i = 0; i < length; i ++ ) {
this.normals.push( new THREE.ProxyVector3( attributes.normal.array, i * 3 ) );
}
return this.normals;
};
THREE.GeometryEditor.prototype.createUVProxies = function () {
Object.defineProperty( this, 'uvs', { value: [], writable: true } );
var attributes = this.geometry.attributes;
var length = attributes.position.array.length / 3;
for ( var i = 0; i < length; i ++ ) {
this.uvs.push( new THREE.ProxyVector2( attributes.uv.array, i * 2 ) );
}
return this.uvs;
};