javascript
/
three.js
-ын хуулбар https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>Three.js Geometry Browser</title>
		<link rel="shortcut icon" href="../../files/favicon.ico" />
		<link rel="stylesheet" type="text/css" href="../../files/main.css">
		<style>
			canvas {
				display: block;
				width: 100%;
				height: 100%;
			}

			#newWindow {
				display: block;
				position: absolute;
				bottom: 0.3em;
				left: 0.5em;
				color: #fff;
			}
		</style>
	</head>
	<body>

		<a id='newWindow' href='./geometry-browser.html' target='_blank'>Open in New Window</a>

		<script type="module">
			import {
				BoxGeometry,
				BufferGeometry,
				CircleGeometry,
				Color,
				ConeGeometry,
				Curve,
				CylinderGeometry,
				DodecahedronGeometry,
				DoubleSide,
				ExtrudeGeometry,
				Float32BufferAttribute,
				FontLoader,
				Group,
				IcosahedronGeometry,
				LatheGeometry,
				LineSegments,
				LineBasicMaterial,
				Mesh,
				MeshPhongMaterial,
				OctahedronGeometry,
				ParametricGeometry,
				PerspectiveCamera,
				PlaneGeometry,
				PointLight,
				RingGeometry,
				Scene,
				Shape,
				ShapeGeometry,
				SphereGeometry,
				TetrahedronGeometry,
				TextGeometry,
				TorusGeometry,
				TorusKnotGeometry,
				TubeGeometry,
				Vector2,
				Vector3,
				WireframeGeometry,
				WebGLRenderer
			} from '../../build/three.module.js';

			import { GUI } from '../../examples/jsm/libs/dat.gui.module.js';
			import { OrbitControls } from '../../examples/jsm/controls/OrbitControls.js';
			import { ParametricGeometries } from '../../examples/jsm/geometries/ParametricGeometries.js';

			const twoPi = Math.PI * 2;

			class CustomSinCurve extends Curve {

				constructor( scale = 1 ) {

					super();

					this.scale = scale;

				}

				getPoint( t, optionalTarget = new Vector3() ) {

					const tx = t * 3 - 1.5;
					const ty = Math.sin( 2 * Math.PI * t );
					const tz = 0;

					return optionalTarget.set( tx, ty, tz ).multiplyScalar( this.scale );

				}

			}

			function updateGroupGeometry( mesh, geometry ) {

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

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

				// these do not update nicely together if shared

			}

			// heart shape

			const x = 0, y = 0;

			const heartShape = new Shape();

			heartShape.moveTo( x + 5, y + 5 );
			heartShape.bezierCurveTo( x + 5, y + 5, x + 4, y, x, y );
			heartShape.bezierCurveTo( x - 6, y, x - 6, y + 7, x - 6, y + 7 );
			heartShape.bezierCurveTo( x - 6, y + 11, x - 3, y + 15.4, x + 5, y + 19 );
			heartShape.bezierCurveTo( x + 12, y + 15.4, x + 16, y + 11, x + 16, y + 7 );
			heartShape.bezierCurveTo( x + 16, y + 7, x + 16, y, x + 10, y );
			heartShape.bezierCurveTo( x + 7, y, x + 5, y + 5, x + 5, y + 5 );

			const guis = {

				BoxGeometry: function ( mesh ) {

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

					function generateGeometry() {

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

					}

					const 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();

				},

				CylinderGeometry: function ( mesh ) {

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

					function generateGeometry() {

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

					}

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

					folder.add( data, 'radiusTop', 0, 30 ).onChange( generateGeometry );
					folder.add( data, 'radiusBottom', 0, 30 ).onChange( generateGeometry );
					folder.add( data, 'height', 1, 50 ).onChange( generateGeometry );
					folder.add( data, 'radialSegments', 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();

				},

				ConeGeometry: function ( mesh ) {

					const data = {
						radius: 5,
						height: 10,
						radialSegments: 8,
						heightSegments: 1,
						openEnded: false,
						thetaStart: 0,
						thetaLength: twoPi
					};

					function generateGeometry() {

						updateGroupGeometry( mesh,
							new ConeGeometry(
								data.radius,
								data.height,
								data.radialSegments,
								data.heightSegments,
								data.openEnded,
								data.thetaStart,
								data.thetaLength
							)
						);

					}

					const folder = gui.addFolder( 'THREE.ConeGeometry' );

					folder.add( data, 'radius', 0, 30 ).onChange( generateGeometry );
					folder.add( data, 'height', 1, 50 ).onChange( generateGeometry );
					folder.add( data, 'radialSegments', 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();

				},

				CircleGeometry: function ( mesh ) {

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

					function generateGeometry() {

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

					}

					const 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 ( mesh ) {

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

					function generateGeometry() {

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

					}

					const 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 ( mesh ) {

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

					function generateGeometry() {

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

					}

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

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

					generateGeometry();

				},

				LatheGeometry: function ( mesh ) {

					const points = [];

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

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

					}

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

					function generateGeometry() {

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

						updateGroupGeometry( mesh, geometry );

					}

					const 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 ( mesh ) {

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

					function generateGeometry() {

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

					}

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

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

					generateGeometry();

				},

				PlaneGeometry: function ( mesh ) {

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

					function generateGeometry() {

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

					}

					const 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();

				},

				RingGeometry: function ( mesh ) {

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

					function generateGeometry() {

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

					}

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

					folder.add( data, 'innerRadius', 1, 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();

				},

				SphereGeometry: function ( mesh ) {

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

					function generateGeometry() {

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

					}

					const 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 ( mesh ) {

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

					function generateGeometry() {

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

					}

					const 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 ) {

					const data = {
						text: 'TextGeometry',
						size: 5,
						height: 2,
						curveSegments: 12,
						font: 'helvetiker',
						weight: 'regular',
						bevelEnabled: false,
						bevelThickness: 1,
						bevelSize: 0.5,
						bevelOffset: 0.0,
						bevelSegments: 3
					};

					const fonts = [
						'helvetiker',
						'optimer',
						'gentilis',
						'droid/droid_serif'
					];

					const weights = [
						'regular', 'bold'
					];

					function generateGeometry() {

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

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

							updateGroupGeometry( mesh, geometry );

						} );

					}

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

					const 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, 3 ).onChange( generateGeometry );
					folder.add( data, 'bevelOffset', - 0.5, 1.5 ).onChange( generateGeometry );
					folder.add( data, 'bevelSegments', 0, 8 ).step( 1 ).onChange( generateGeometry );

					generateGeometry();

				},

				TorusGeometry: function ( mesh ) {

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

					function generateGeometry() {

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

					}

					const 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();

				},

				TorusKnotGeometry: function ( mesh ) {

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

					function generateGeometry() {

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

					}

					const 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();

				},

				ParametricGeometry: function ( mesh ) {

					const data = {
						slices: 25,
						stacks: 25
					};

					function generateGeometry() {

						updateGroupGeometry( mesh,
							new ParametricGeometry( ParametricGeometries.klein, data.slices, data.stacks )
						);

					}

					const folder = gui.addFolder( 'THREE.ParametricGeometry' );

					folder.add( data, 'slices', 1, 100 ).step( 1 ).onChange( generateGeometry );
					folder.add( data, 'stacks', 1, 100 ).step( 1 ).onChange( generateGeometry );

					generateGeometry();

				},

				TubeGeometry: function ( mesh ) {

					const data = {
						segments: 20,
						radius: 2,
						radialSegments: 8
					};

					const path = new CustomSinCurve( 10 );

					function generateGeometry() {

						updateGroupGeometry( mesh,
							new TubeGeometry( path, data.segments, data.radius, data.radialSegments, false )
						);

					}

					const folder = gui.addFolder( 'THREE.TubeGeometry' );

					folder.add( data, 'segments', 1, 100 ).step( 1 ).onChange( generateGeometry );
					folder.add( data, 'radius', 1, 10 ).onChange( generateGeometry );
					folder.add( data, 'radialSegments', 1, 20 ).step( 1 ).onChange( generateGeometry );

					generateGeometry();

				},

				ShapeGeometry: function ( mesh ) {

					const data = {
						segments: 12
					};

					function generateGeometry() {

						const geometry = new ShapeGeometry( heartShape, data.segments );
						geometry.center();

						updateGroupGeometry( mesh, geometry );

					}

					const folder = gui.addFolder( 'THREE.ShapeGeometry' );
					folder.add( data, 'segments', 1, 100 ).step( 1 ).onChange( generateGeometry );

					generateGeometry();

				},

				ExtrudeGeometry: function ( mesh ) {

					const data = {
						steps: 2,
						depth: 16,
						bevelEnabled: true,
						bevelThickness: 1,
						bevelSize: 1,
						bevelOffset: 0,
						bevelSegments: 1
					};

					const length = 12, width = 8;

					const shape = new Shape();
					shape.moveTo( 0, 0 );
					shape.lineTo( 0, width );
					shape.lineTo( length, width );
					shape.lineTo( length, 0 );
					shape.lineTo( 0, 0 );

					function generateGeometry() {

						const geometry = new ExtrudeGeometry( shape, data );
						geometry.center();

						updateGroupGeometry( mesh, geometry );

					}

					const folder = gui.addFolder( 'THREE.ExtrudeGeometry' );

					folder.add( data, 'steps', 1, 10 ).step( 1 ).onChange( generateGeometry );
					folder.add( data, 'depth', 1, 20 ).onChange( generateGeometry );
					folder.add( data, 'bevelThickness', 1, 5 ).step( 1 ).onChange( generateGeometry );
					folder.add( data, 'bevelSize', 0, 5 ).step( 1 ).onChange( generateGeometry );
					folder.add( data, 'bevelOffset', - 4, 5 ).step( 1 ).onChange( generateGeometry );
					folder.add( data, 'bevelSegments', 1, 5 ).step( 1 ).onChange( generateGeometry );

					generateGeometry();

				}

			};

			function chooseFromHash( mesh ) {

				const selectedGeometry = window.location.hash.substring( 1 ) || 'TorusGeometry';

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

					guis[ selectedGeometry ]( mesh );

				}

				if ( selectedGeometry === 'TextGeometry' ) {

					return { fixed: true };

				}

				//No configuration options
				return {};

			}

			//

			document.getElementById( 'newWindow' ).href += window.location.hash;

			const gui = new GUI();

			const scene = new Scene();
			scene.background = new Color( 0x444444 );

			const camera = new PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 0.1, 50 );
			camera.position.z = 30;

			const renderer = new WebGLRenderer( { antialias: true } );
			renderer.setPixelRatio( window.devicePixelRatio );
			renderer.setSize( window.innerWidth, window.innerHeight );
			document.body.appendChild( renderer.domElement );

			const orbit = new OrbitControls( camera, renderer.domElement );
			orbit.enableZoom = false;

			const lights = [];
			lights[ 0 ] = new PointLight( 0xffffff, 1, 0 );
			lights[ 1 ] = new PointLight( 0xffffff, 1, 0 );
			lights[ 2 ] = new PointLight( 0xffffff, 1, 0 );

			lights[ 0 ].position.set( 0, 200, 0 );
			lights[ 1 ].position.set( 100, 200, 100 );
			lights[ 2 ].position.set( - 100, - 200, - 100 );

			scene.add( lights[ 0 ] );
			scene.add( lights[ 1 ] );
			scene.add( lights[ 2 ] );

			const group = new Group();

			const geometry = new BufferGeometry();
			geometry.setAttribute( 'position', new Float32BufferAttribute( [], 3 ) );

			const lineMaterial = new LineBasicMaterial( { color: 0xffffff, transparent: true, opacity: 0.5 } );
			const meshMaterial = new MeshPhongMaterial( { color: 0x156289, emissive: 0x072534, side: DoubleSide, flatShading: true } );

			group.add( new LineSegments( geometry, lineMaterial ) );
			group.add( new Mesh( geometry, meshMaterial ) );

			const options = chooseFromHash( group );

			scene.add( group );

			function render() {

				requestAnimationFrame( render );

				if ( ! options.fixed ) {

					group.rotation.x += 0.005;
					group.rotation.y += 0.005;

				}

				renderer.render( scene, camera );

			}

			window.addEventListener( 'resize', function () {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}, false );

			render();

		</script>
	</body>
</html>