javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - lines - fat</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 {
				background-color: #000;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				position: absolute;
				color: #ffffff;
				top: 0px;
				width: 100%;
				padding: 5px;
				font-family:Monospace;
				font-size:13px;
				text-align:center;
			}
			a {
				color: #fff;
			}
		</style>
	</head>

	<body>

		<div id="container"></div>

		<div id="info"><a href="https://threejs.org" target="_blank">three.js</a> - fat lines</div>

		<script src="../build/three.js"></script>
		<script src="js/controls/OrbitControls.js"></script>

		<script src="js/geometries/hilbert3D.js"></script>

		<script src="js/Detector.js"></script>

		<script src="js/libs/stats.min.js"></script>
		<script src='js/libs/dat.gui.min.js'></script>

		<script src='js/lines/LineSegmentsGeometry.js'></script>
		<script src='js/lines/LineGeometry.js'></script>
		<script src='js/lines/WireframeGeometry2.js'></script>

		<script src='js/lines/LineMaterial.js'></script>

		<script src='js/lines/LineSegments2.js'></script>
		<script src='js/lines/Line2.js'></script>
		<script src='js/lines/Wireframe.js'></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var line, wireframe, renderer, scene, camera, controls;
			var line1, wireframe1;
			var stats;
			var gui;

			// viewport
			var insetWidth;
			var insetHeight;

			init();
			animate();

			function init() {

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setClearColor( 0x000000, 0.0 );
				renderer.setSize( window.innerWidth, window.innerHeight );
				document.body.appendChild( renderer.domElement );

				scene = new THREE.Scene();

				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.set( -40, 0, 60 );

				controls = new THREE.OrbitControls( camera, renderer.domElement );
				controls.minDistance = 10;
				controls.maxDistance = 500;


				// Position and Color Data

				var positions = [];
				var colors = [];

				var points = hilbert3D( new THREE.Vector3( 0, 0, 0 ), 20.0, 1, 0, 1, 2, 3, 4, 5, 6, 7 );

				var spline = new THREE.CatmullRomCurve3( points );
				var divisions = Math.round( 12 * points.length );
				var color = new THREE.Color();

				for ( var i = 0, l = divisions; i < l; i ++ ) {

					var point = spline.getPoint( i / l );
					positions.push( point.x, point.y, point.z );

					color.setHSL( i / l, 1.0, 0.5 );
					colors.push( color.r, color.g, color.b );

				}


				// THREE.Line2 ( LineGeometry, LineMaterial )

				var geometry = new THREE.LineGeometry();
				geometry.setPositions( positions );
				geometry.setColors( colors );

				var material = new THREE.LineMaterial( {

					color: 0xffffff,
					linewidth: 10, // in pixels
					vertexColors: THREE.VertexColors,
					//resolution:  // to be set by renderer, eventually

				} );

				line = new THREE.Line2( geometry, material );
				line.scale.set( 1, 1, 1 );
				scene.add( line );


				// THREE.Line ( BufferGeometry, LineBasicMaterial ) - rendered with gl.LINE_STRIP

				var geo = new THREE.BufferGeometry();
				geo.addAttribute( 'position', new THREE.Float32BufferAttribute( positions, 3 ) );
				geo.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );

				var mat = new THREE.LineBasicMaterial( { vertexColors: THREE.VertexColors } );

				line1 = new THREE.Line( geo, mat );
				line1.visible = false;
				scene.add( line1 );


				// THREE.Wireframe ( WireframeGeometry2, LineMaterial )

				//var geo = new THREE.BoxBufferGeometry( 16, 16, 4, 2, 2, 1 );
				//var geo = new THREE.IcosahedronBufferGeometry( 8, 0 );
				var geo = new THREE.PlaneBufferGeometry( 16, 16, 2, 2 );

				var geometry = new THREE.WireframeGeometry2( geo );

				var material = new THREE.LineMaterial( {

					color: 0x4080ff,
					linewidth: 10, // in pixels
					//resolution:  // to be set by renderer, eventually

				} );

				wireframe = new THREE.Wireframe( geometry, material );
				wireframe.scale.set( 1, 1, 1 );
				scene.add( wireframe );


				// THREE.Line ( WireframeGeometry, LineBasicMaterial ) - rendered with gl.LINE

				geo = new THREE.WireframeGeometry( geo );

				var mat = new THREE.LineBasicMaterial( { color: 0x4080ff } );

				wireframe1 = new THREE.LineSegments( geo, mat );
				wireframe1.visible = false;
				scene.add( wireframe1 );

				//

				window.addEventListener( 'resize', onWindowResize, false );
				onWindowResize();

				stats = new Stats();
				document.body.appendChild( stats.dom );

				initGui();

			}

			function onWindowResize() {

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

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

				insetWidth = window.innerWidth / 4;
				insetHeight = window.innerHeight / 4;

			}

			function animate() {

				requestAnimationFrame( animate );

				stats.update();

				wireframe.geometry.maxInstancedCount = Math.floor( Date.now() / 1000 ) % wireframe.geometry.index.count - 1; // why - 1 needed ?

				// main scene

				// renderer will set this eventually
				line.material.resolution.set( window.innerWidth, window.innerHeight );
				wireframe.material.resolution.set( window.innerWidth, window.innerHeight );

				renderer.setViewport( 0, 0, window.innerWidth, window.innerHeight );

				renderer.render( scene, camera );

				// inset scene

				// renderer will set this eventually
				//line.material.resolution.set( insetWidth, insetHeight );
				//wireframe.material.resolution.set( insetWidth, insetHeight );

				renderer.clearDepth(); // important!

				renderer.setScissorTest( true );

				renderer.setScissor( 20, window.innerHeight - insetHeight - 20, insetWidth, insetHeight );

				renderer.setViewport( 20, window.innerHeight - insetHeight - 20, insetWidth, insetHeight );

				renderer.render( scene, camera );

				renderer.setScissorTest( false );

			}

			//

			function initGui() {

				gui = new dat.GUI();

				var param = {
					'line type': 0,
					'line width': 10
				};


				gui.add( param, 'line type', { 'LineGeometry': 0, 'gl.LINE': 1 } ).onChange( function ( val ) {

					switch ( val ) {

						case '0':
							line.visible = true;
							wireframe.visible = true;

							line1.visible = false;
							wireframe1.visible = false;

							break;

						case '1':
							line.visible = false;
							wireframe.visible = false;

							line1.visible = true;
							wireframe1.visible = true;

							break;

					}

				} );

				gui.add( param, 'line width', 1, 40, 1 ).onChange( function ( val ) {

					line.material.linewidth = val;
					wireframe.material.linewidth = val;

				} );

			}

		</script>

	</body>

</html>