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330 lines
7.5 KiB
330 lines
7.5 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - lines - fat</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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background-color: #000;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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position: absolute;
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color: #ffffff;
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top: 0px;
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width: 100%;
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padding: 5px;
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font-family:Monospace;
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font-size:13px;
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text-align:center;
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}
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a {
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color: #fff;
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}
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</style>
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</head>
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<body>
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<div id="container"></div>
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<div id="info"><a href="https://threejs.org" target="_blank">three.js</a> - fat lines</div>
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<script src="../build/three.js"></script>
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<script src="js/controls/OrbitControls.js"></script>
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<script src="js/geometries/hilbert3D.js"></script>
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<script src="js/WebGL.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script src='js/libs/dat.gui.min.js'></script>
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<script src='js/lines/LineSegmentsGeometry.js'></script>
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<script src='js/lines/LineGeometry.js'></script>
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<script src='js/lines/WireframeGeometry2.js'></script>
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<script src='js/lines/LineMaterial.js'></script>
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<script src='js/lines/LineSegments2.js'></script>
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<script src='js/lines/Line2.js'></script>
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<script src='js/lines/Wireframe.js'></script>
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<script>
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if ( WEBGL.isWebGLAvailable() === false ) {
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document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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}
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var line, renderer, scene, camera, camera2, controls;
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var line1;
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var matLine, matLineBasic, matLineDashed;
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var stats;
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var gui;
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// viewport
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var insetWidth;
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var insetHeight;
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init();
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animate();
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function init() {
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setClearColor( 0x000000, 0.0 );
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.set( - 40, 0, 60 );
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camera2 = new THREE.PerspectiveCamera( 40, 1, 1, 1000 );
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camera2.position.copy( camera.position );
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controls = new THREE.OrbitControls( camera, renderer.domElement );
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controls.minDistance = 10;
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controls.maxDistance = 500;
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// Position and Color Data
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var positions = [];
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var colors = [];
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var points = hilbert3D( new THREE.Vector3( 0, 0, 0 ), 20.0, 1, 0, 1, 2, 3, 4, 5, 6, 7 );
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var spline = new THREE.CatmullRomCurve3( points );
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var divisions = Math.round( 12 * points.length );
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var color = new THREE.Color();
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for ( var i = 0, l = divisions; i < l; i ++ ) {
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var point = spline.getPoint( i / l );
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positions.push( point.x, point.y, point.z );
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color.setHSL( i / l, 1.0, 0.5 );
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colors.push( color.r, color.g, color.b );
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}
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// THREE.Line2 ( LineGeometry, LineMaterial )
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var geometry = new THREE.LineGeometry();
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geometry.setPositions( positions );
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geometry.setColors( colors );
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matLine = new THREE.LineMaterial( {
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color: 0xffffff,
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linewidth: 5, // in pixels
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vertexColors: THREE.VertexColors,
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//resolution: // to be set by renderer, eventually
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dashed: false
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} );
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line = new THREE.Line2( geometry, matLine );
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line.computeLineDistances();
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line.scale.set( 1, 1, 1 );
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scene.add( line );
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// THREE.Line ( BufferGeometry, LineBasicMaterial ) - rendered with gl.LINE_STRIP
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var geo = new THREE.BufferGeometry();
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geo.addAttribute( 'position', new THREE.Float32BufferAttribute( positions, 3 ) );
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geo.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
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matLineBasic = new THREE.LineBasicMaterial( { vertexColors: THREE.VertexColors } );
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matLineDashed = new THREE.LineDashedMaterial( { vertexColors: THREE.VertexColors, scale: 2, dashSize: 1, gapSize: 1 } );
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line1 = new THREE.Line( geo, matLineBasic );
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line1.computeLineDistances();
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line1.visible = false;
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scene.add( line1 );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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onWindowResize();
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stats = new Stats();
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document.body.appendChild( stats.dom );
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initGui();
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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insetWidth = window.innerHeight / 4; // square
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insetHeight = window.innerHeight / 4;
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camera2.aspect = insetWidth / insetHeight;
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camera2.updateProjectionMatrix();
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}
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function animate() {
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requestAnimationFrame( animate );
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stats.update();
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// main scene
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renderer.setClearColor( 0x000000, 0 );
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renderer.setViewport( 0, 0, window.innerWidth, window.innerHeight );
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// renderer will set this eventually
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matLine.resolution.set( window.innerWidth, window.innerHeight ); // resolution of the viewport
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renderer.render( scene, camera );
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// inset scene
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renderer.setClearColor( 0x222222, 1 );
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renderer.clearDepth(); // important!
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renderer.setScissorTest( true );
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renderer.setScissor( 20, 20, insetWidth, insetHeight );
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renderer.setViewport( 20, 20, insetWidth, insetHeight );
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camera2.position.copy( camera.position );
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camera2.quaternion.copy( camera.quaternion );
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// renderer will set this eventually
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matLine.resolution.set( insetWidth, insetHeight ); // resolution of the inset viewport
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renderer.render( scene, camera2 );
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renderer.setScissorTest( false );
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}
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//
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function initGui() {
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gui = new dat.GUI();
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var param = {
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'line type': 0,
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'width (px)': 5,
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'dashed': false,
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'dash scale': 1,
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'dash / gap': 1
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};
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gui.add( param, 'line type', { 'LineGeometry': 0, 'gl.LINE': 1 } ).onChange( function ( val ) {
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switch ( val ) {
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case '0':
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line.visible = true;
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line1.visible = false;
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break;
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case '1':
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line.visible = false;
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line1.visible = true;
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break;
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}
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} );
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gui.add( param, 'width (px)', 1, 10 ).onChange( function ( val ) {
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matLine.linewidth = val;
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} );
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gui.add( param, 'dashed' ).onChange( function ( val ) {
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matLine.dashed = val;
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// dashed is implemented as a defines -- not as a uniform. this could be changed.
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// ... or LineDashedMaterial could be implemented as a separate material
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// temporary hack - renderer should do this eventually
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if ( val ) matLine.defines.USE_DASH = ""; else delete matLine.defines.USE_DASH;
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matLine.needsUpdate = true;
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line1.material = val ? matLineDashed : matLineBasic;
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} );
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gui.add( param, 'dash scale', 0.5, 2, 0.1 ).onChange( function ( val ) {
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matLine.dashScale = val;
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matLineDashed.scale = val;
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} );
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gui.add( param, 'dash / gap', { '2 : 1': 0, '1 : 1': 1, '1 : 2': 2 } ).onChange( function ( val ) {
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switch ( val ) {
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case '0':
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matLine.dashSize = 2;
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matLine.gapSize = 1;
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matLineDashed.dashSize = 2;
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matLineDashed.gapSize = 1;
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break;
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case '1':
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matLine.dashSize = 1;
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matLine.gapSize = 1;
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matLineDashed.dashSize = 1;
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matLineDashed.gapSize = 1;
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break;
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case '2':
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matLine.dashSize = 1;
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matLine.gapSize = 2;
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matLineDashed.dashSize = 1;
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matLineDashed.gapSize = 2;
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break;
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}
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} );
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}
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</script>
|
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</body>
|
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|
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</html>
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