three.js/docs/scenes/js/geometry.js

/**
 * @author TatumCreative (Greg Tatum) / http://gregtatum.com/
 */

var twoPi = Math.PI * 2;

var constants = {

	combine: {

		"THREE.MultiplyOperation" : THREE.MultiplyOperation,
		"THREE.MixOperation" : THREE.MixOperation,
		"THREE.AddOperation" : THREE.AddOperation

	},

	side : {

		"THREE.FrontSide" : THREE.FrontSide,
		"THREE.BackSide" : THREE.BackSide,
		"THREE.DoubleSide" : THREE.DoubleSide

	},

	shading : {

		"THREE.FlatShading" : THREE.FlatShading,
		"THREE.SmoothShading" : THREE.SmoothShading

	},

	colors : {

		"THREE.NoColors" : THREE.NoColors,
		"THREE.FaceColors" : THREE.FaceColors,
		"THREE.VertexColors" : THREE.VertexColors

	},

	blendingMode : {

		"THREE.NoBlending" : THREE.NoBlending,
		"THREE.NormalBlending" : THREE.NormalBlending,
		"THREE.AdditiveBlending" : THREE.AdditiveBlending,
		"THREE.SubtractiveBlending" : THREE.SubtractiveBlending,
		"THREE.MultiplyBlending" : THREE.MultiplyBlending,
		"THREE.CustomBlending" : THREE.CustomBlending

	},

	equations : {

		"THREE.AddEquation" : THREE.AddEquation,
		"THREE.SubtractEquation" : THREE.SubtractEquation,
		"THREE.ReverseSubtractEquation" : THREE.ReverseSubtractEquation

	},

	destinationFactors : {

		"THREE.ZeroFactor" : THREE.ZeroFactor,
		"THREE.OneFactor" : THREE.OneFactor,
		"THREE.SrcColorFactor" : THREE.SrcColorFactor,
		"THREE.OneMinusSrcColorFactor" : THREE.OneMinusSrcColorFactor,
		"THREE.SrcAlphaFactor" : THREE.SrcAlphaFactor,
		"THREE.OneMinusSrcAlphaFactor" : THREE.OneMinusSrcAlphaFactor,
		"THREE.DstAlphaFactor" : THREE.DstAlphaFactor,
		"THREE.OneMinusDstAlphaFactor" : THREE.OneMinusDstAlphaFactor

	},

	sourceFactors : {

		"THREE.DstColorFactor" : THREE.DstColorFactor,
		"THREE.OneMinusDstColorFactor" : THREE.OneMinusDstColorFactor,
		"THREE.SrcAlphaSaturateFactor" : THREE.SrcAlphaSaturateFactor

	}

};

function updateGroupGeometry( mesh, geometry ) {

	mesh.children[ 0 ].geometry.dispose();
	mesh.children[ 1 ].geometry.dispose();

	mesh.children[ 0 ].geometry = new THREE.WireframeGeometry( geometry );
	mesh.children[ 1 ].geometry = geometry;

	// these do not update nicely together if shared

}

var guis = {

	BoxBufferGeometry : function( mesh ) {

		var data = {
			width : 15,
			height : 15,
			depth : 15,
			widthSegments : 1,
			heightSegments : 1,
			depthSegments : 1
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.BoxBufferGeometry(
					data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments
				)
			);

		}

		var folder = gui.addFolder( 'THREE.BoxBufferGeometry' );

		folder.add( data, 'width', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'height', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'depth', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'widthSegments', 1, 10 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'heightSegments', 1, 10 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'depthSegments', 1, 10 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	BoxGeometry : function( mesh ) {

		var data = {
			width : 15,
			height : 15,
			depth : 15,
			widthSegments : 1,
			heightSegments : 1,
			depthSegments : 1
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.BoxGeometry(
					data.width, data.height, data.depth, data.widthSegments, data.heightSegments, data.depthSegments
				)
			);

		}

		var folder = gui.addFolder( 'THREE.BoxGeometry' );

		folder.add( data, 'width', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'height', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'depth', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'widthSegments', 1, 10 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'heightSegments', 1, 10 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'depthSegments', 1, 10 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	CylinderBufferGeometry : function( mesh ) {

		var data = {
			radiusTop : 5,
			radiusBottom : 5,
			height : 10,
			radiusSegments : 8,
			heightSegments : 1,
			openEnded : false,
			thetaStart : 0,
			thetaLength : twoPi,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.CylinderBufferGeometry(
					data.radiusTop,
					data.radiusBottom,
					data.height,
					data.radiusSegments,
					data.heightSegments,
					data.openEnded,
					data.thetaStart,
					data.thetaLength
				)
			);

		}

		var folder = gui.addFolder( 'THREE.CylinderBufferGeometry' );

		folder.add( data, 'radiusTop', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'radiusBottom', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'height', 1, 50 ).onChange( generateGeometry );
		folder.add( data, 'radiusSegments', 3, 64 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'heightSegments', 1, 64 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'openEnded' ).onChange( generateGeometry );
		folder.add( data, 'thetaStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaLength', 0, twoPi ).onChange( generateGeometry );


		generateGeometry();

	},

	CylinderGeometry : function( mesh ) {

		var data = {
			radiusTop : 5,
			radiusBottom : 5,
			height : 10,
			radiusSegments : 8,
			heightSegments : 1,
			openEnded : false,
			thetaStart : 0,
			thetaLength : twoPi,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.CylinderGeometry(
					data.radiusTop,
					data.radiusBottom,
					data.height,
					data.radiusSegments,
					data.heightSegments,
					data.openEnded,
					data.thetaStart,
					data.thetaLength
				)
			);

		}

		var folder = gui.addFolder( 'THREE.CylinderGeometry' );

		folder.add( data, 'radiusTop', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'radiusBottom', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'height', 1, 50 ).onChange( generateGeometry );
		folder.add( data, 'radiusSegments', 3, 64 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'heightSegments', 1, 64 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'openEnded' ).onChange( generateGeometry );
		folder.add( data, 'thetaStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaLength', 0, twoPi ).onChange( generateGeometry );


		generateGeometry();

	},

	CircleBufferGeometry : function( mesh ) {

		var data = {
			radius : 10,
			segments : 32,
			thetaStart : 0,
			thetaLength : twoPi,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.CircleBufferGeometry(
					data.radius, data.segments, data.thetaStart, data.thetaLength
				)
			);

		}

		var folder = gui.addFolder( 'THREE.CircleBufferGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'segments', 0, 128 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'thetaStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaLength', 0, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	CircleGeometry : function( mesh ) {

		var data = {
			radius : 10,
			segments : 32,
			thetaStart : 0,
			thetaLength : twoPi,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.CircleGeometry(
					data.radius, data.segments, data.thetaStart, data.thetaLength
				)
			);

		}

		var folder = gui.addFolder( 'THREE.CircleGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'segments', 0, 128 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'thetaStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaLength', 0, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	DodecahedronGeometry : function() {

		var data = {
			radius : 10,
			detail : 0,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.DodecahedronGeometry(
					data.radius, data.detail
				)
			);

		}

		var folder = gui.addFolder( 'THREE.DodecahedronGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'detail', 0, 5 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	IcosahedronGeometry : function() {

		var data = {
			radius : 10,
			detail : 0,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.IcosahedronGeometry(
					data.radius, data.detail
				)
			);

		}

		var folder = gui.addFolder( 'THREE.IcosahedronGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'detail', 0, 5 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	LatheBufferGeometry : function() {

		var points = [];

		for ( var i = 0; i < 10; i ++ ) {

			points.push( new THREE.Vector2( Math.sin( i * 0.2 ) * 10 + 5, ( i - 5 ) * 2 ) );

		}

		var data = {
			segments : 12,
			phiStart : 0,
			phiLength : twoPi,
		};

		function generateGeometry() {

			var geometry = new THREE.LatheBufferGeometry(
				points, data.segments, data.phiStart, data.phiLength
			);

			updateGroupGeometry( mesh, geometry );

		}

		var folder = gui.addFolder( 'THREE.LatheBufferGeometry' );

		folder.add( data, 'segments', 1, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'phiStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'phiLength', 0, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	LatheGeometry : function() {

		var points = [];

		for ( var i = 0; i < 10; i ++ ) {

			points.push( new THREE.Vector2( Math.sin( i * 0.2 ) * 10 + 5, ( i - 5 ) * 2 ) );

		}

		var data = {
			segments : 12,
			phiStart : 0,
			phiLength : twoPi,
		};

		function generateGeometry() {

			var geometry = new THREE.LatheGeometry(
				points, data.segments, data.phiStart, data.phiLength
			);

			updateGroupGeometry( mesh, geometry );

		}

		var folder = gui.addFolder( 'THREE.LatheGeometry' );

		folder.add( data, 'segments', 1, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'phiStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'phiLength', 0, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	OctahedronGeometry : function() {

		var data = {
			radius : 10,
			detail : 0,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.OctahedronGeometry(
					data.radius, data.detail
				)
			);

		}

		var folder = gui.addFolder( 'THREE.OctahedronGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'detail', 0, 5 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	PlaneBufferGeometry : function( mesh ) {

		var data = {
			width : 10,
			height : 10,
			widthSegments : 1,
			heightSegments : 1
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.PlaneBufferGeometry(
					data.width, data.height, data.widthSegments, data.heightSegments
				)
			);

		}

		var folder = gui.addFolder( 'THREE.PlaneBufferGeometry' );

		folder.add( data, 'width', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'height', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'widthSegments', 1, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'heightSegments', 1, 30 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	PlaneGeometry : function( mesh ) {

		var data = {
			width : 10,
			height : 10,
			widthSegments : 1,
			heightSegments : 1
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.PlaneGeometry(
					data.width, data.height, data.widthSegments, data.heightSegments
				)
			);

		}

		var folder = gui.addFolder( 'THREE.PlaneGeometry' );

		folder.add( data, 'width', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'height', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'widthSegments', 1, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'heightSegments', 1, 30 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	RingBufferGeometry : function( mesh ) {

		var data = {
			innerRadius : 5,
			outerRadius : 10,
			thetaSegments : 8,
			phiSegments : 8,
			thetaStart : 0,
			thetaLength : twoPi,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.RingBufferGeometry(
					data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength
				)
			);

		}

		var folder = gui.addFolder( 'THREE.RingBufferGeometry' );

		folder.add( data, 'innerRadius', 0, 30 ).onChange( generateGeometry );
		folder.add( data, 'outerRadius', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'thetaSegments', 1, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'phiSegments', 1, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'thetaStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaLength', 0, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	RingGeometry : function( mesh ) {

		var data = {
			innerRadius : 5,
			outerRadius : 10,
			thetaSegments : 8,
			phiSegments : 8,
			thetaStart : 0,
			thetaLength : twoPi,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.RingGeometry(
					data.innerRadius, data.outerRadius, data.thetaSegments, data.phiSegments, data.thetaStart, data.thetaLength
				)
			);

		}

		var folder = gui.addFolder( 'THREE.RingGeometry' );

		folder.add( data, 'innerRadius', 0, 30 ).onChange( generateGeometry );
		folder.add( data, 'outerRadius', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'thetaSegments', 1, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'phiSegments', 1, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'thetaStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaLength', 0, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	SphereBufferGeometry : function( mesh ) {

		var data = {
			radius : 15,
			widthSegments : 8,
			heightSegments : 6,
			phiStart : 0,
			phiLength : twoPi,
			thetaStart : 0,
			thetaLength : Math.PI,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.SphereBufferGeometry(
					data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength
				)
			);

		}

		var folder = gui.addFolder( 'THREE.SphereBufferGeometry' );

		folder.add( data, 'radius', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'widthSegments', 3, 32 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'heightSegments', 2, 32 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'phiStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'phiLength', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaLength', 0, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	SphereGeometry : function( mesh ) {

		var data = {
			radius : 15,
			widthSegments : 8,
			heightSegments : 6,
			phiStart : 0,
			phiLength : twoPi,
			thetaStart : 0,
			thetaLength : Math.PI,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.SphereGeometry(
					data.radius, data.widthSegments, data.heightSegments, data.phiStart, data.phiLength, data.thetaStart, data.thetaLength
				)
			);

		}

		var folder = gui.addFolder( 'THREE.SphereGeometry' );

		folder.add( data, 'radius', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'widthSegments', 3, 32 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'heightSegments', 2, 32 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'phiStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'phiLength', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaStart', 0, twoPi ).onChange( generateGeometry );
		folder.add( data, 'thetaLength', 0, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	TetrahedronGeometry : function() {

		var data = {
			radius : 10,
			detail : 0,
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.TetrahedronGeometry(
					data.radius, data.detail
				)
			);

		}

		var folder = gui.addFolder( 'THREE.TetrahedronGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'detail', 0, 5 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	TextGeometry : function( mesh ) {

		var data = {
			text : "TextGeometry",
			size : 5,
			height : 2,
			curveSegments : 12,
			font : "helvetiker",
			weight : "regular",
			bevelEnabled : false,
			bevelThickness : 1,
			bevelSize : 0.5
		};

		var fonts = [
			"helvetiker",
			"optimer",
			"gentilis",
			"droid/droid_serif"
		];

		var weights = [
			"regular", "bold"
		];

		function generateGeometry() {

			var loader = new THREE.FontLoader();
			loader.load( '../../examples/fonts/' + data.font + '_' + data.weight + '.typeface.js', function ( font ) {

				var geometry = new THREE.TextGeometry( data.text, {
					font: font,
					size: data.size,
					height: data.height,
					curveSegments: data.curveSegments,
					bevelEnabled: data.bevelEnabled,
					bevelThickness: data.bevelThickness,
					bevelSize: data.bevelSize
				} );
				geometry.center();

				updateGroupGeometry( mesh, geometry );

			} );

		}

		//Hide the wireframe
		mesh.children[ 0 ].visible = false;

		var folder = gui.addFolder( 'THREE.TextGeometry' );

		folder.add( data, 'text' ).onChange( generateGeometry );
		folder.add( data, 'size', 1, 30 ).onChange( generateGeometry );
		folder.add( data, 'height', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'curveSegments', 1, 20 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'font', fonts ).onChange( generateGeometry );
		folder.add( data, 'weight', weights ).onChange( generateGeometry );
		folder.add( data, 'bevelEnabled' ).onChange( generateGeometry );
		folder.add( data, 'bevelThickness', 0.1, 3 ).onChange( generateGeometry );
		folder.add( data, 'bevelSize', 0.1, 3 ).onChange( generateGeometry );

		generateGeometry();

	},

	TorusBufferGeometry : function( mesh ) {

		var data = {
			radius : 10,
			tube : 3,
			radialSegments : 16,
			tubularSegments : 100,
			arc : twoPi
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.TorusBufferGeometry(
					data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc
				)
			);

		}

		var folder = gui.addFolder( 'THREE.TorusBufferGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'tube', 0.1, 10 ).onChange( generateGeometry );
		folder.add( data, 'radialSegments', 2, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'tubularSegments', 3, 200 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'arc', 0.1, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	TorusGeometry : function( mesh ) {

		var data = {
			radius : 10,
			tube : 3,
			radialSegments : 16,
			tubularSegments : 100,
			arc : twoPi
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.TorusGeometry(
					data.radius, data.tube, data.radialSegments, data.tubularSegments, data.arc
				)
			);

		}

		var folder = gui.addFolder( 'THREE.TorusGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'tube', 0.1, 10 ).onChange( generateGeometry );
		folder.add( data, 'radialSegments', 2, 30 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'tubularSegments', 3, 200 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'arc', 0.1, twoPi ).onChange( generateGeometry );

		generateGeometry();

	},

	TorusKnotBufferGeometry : function( mesh ) {

		var data = {
			radius : 10,
			tube : 3,
			tubularSegments : 64,
			radialSegments : 8,
			p : 2,
			q : 3
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.TorusKnotBufferGeometry(
					data.radius, data.tube, data.tubularSegments, data.radialSegments,
					data.p, data.q
				)
			);

		}

		var folder = gui.addFolder( 'THREE.TorusKnotBufferGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'tube', 0.1, 10 ).onChange( generateGeometry );
		folder.add( data, 'tubularSegments', 3, 300 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'radialSegments', 3, 20 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'p', 1, 20 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'q', 1, 20 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	},

	TorusKnotGeometry : function( mesh ) {

		var data = {
			radius : 10,
			tube : 3,
			tubularSegments : 64,
			radialSegments : 8,
			p : 2,
			q : 3
		};

		function generateGeometry() {

			updateGroupGeometry( mesh,
				new THREE.TorusKnotGeometry(
					data.radius, data.tube, data.tubularSegments, data.radialSegments,
					data.p, data.q
				)
			);

		}

		var folder = gui.addFolder( 'THREE.TorusKnotGeometry' );

		folder.add( data, 'radius', 1, 20 ).onChange( generateGeometry );
		folder.add( data, 'tube', 0.1, 10 ).onChange( generateGeometry );
		folder.add( data, 'tubularSegments', 3, 300 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'radialSegments', 3, 20 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'p', 1, 20 ).step( 1 ).onChange( generateGeometry );
		folder.add( data, 'q', 1, 20 ).step( 1 ).onChange( generateGeometry );

		generateGeometry();

	}

};

function chooseFromHash ( mesh ) {

	var selectedGeometry = window.location.hash.substring( 1 ) || "TorusGeometry";

	if ( guis[ selectedGeometry ] !== undefined ) {

		guis[ selectedGeometry ]( mesh );

	}

	if ( selectedGeometry === 'TextGeometry' ) {

		return { fixed : true };

	}

	//No configuration options
	return {};

}