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-<!DOCTYPE html>
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-<html lang="en">
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- <head>
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- <title>three.js canvas - geometry - shapes</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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- font-family: Monospace;
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- background-color: #f0f0f0;
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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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- top: 0px;
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- width: 100%;
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- padding: 5px;
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- text-align:center;
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- }
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- </style>
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- </head>
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- <body>
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- <canvas id="debug" style="position:absolute; left:100px"></canvas>
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-
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- <div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - shape geometry</div>
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-
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- <script src="../build/three.js"></script>
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-
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- <script src="js/renderers/Projector.js"></script>
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- <script src="js/renderers/CanvasRenderer.js"></script>
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-
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- <script src="js/libs/stats.min.js"></script>
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-
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- <script>
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-
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- var container, stats;
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-
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- var camera, scene, renderer, group;
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-
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- var targetRotation = 0;
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- var targetRotationOnMouseDown = 0;
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-
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- var mouseX = 0;
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- var mouseXOnMouseDown = 0;
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-
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- var windowHalfX = window.innerWidth / 2;
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-
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- init();
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- animate();
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-
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- function init() {
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-
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- container = document.createElement( 'div' );
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- document.body.appendChild( container );
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-
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- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
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- camera.position.set( 0, 150, 500 );
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-
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- scene = new THREE.Scene();
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- scene.background = new THREE.Color( 0xf0f0f0 );
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-
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- group = new THREE.Group();
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- group.position.y = 50;
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- scene.add( group );
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-
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- function addShape( shape, color, x, y, z, rx, ry, rz, s ) {
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-
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- // flat shape
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-
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- var geometry = new THREE.ShapeBufferGeometry( shape );
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- var material = new THREE.MeshBasicMaterial( { color: color, overdraw: 0.5 } );
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-
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- var mesh = new THREE.Mesh( geometry, material );
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- mesh.position.set( x, y, z );
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- mesh.rotation.set( rx, ry, rz );
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- mesh.scale.set( s, s, s );
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- group.add( mesh );
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-
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- // line
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-
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- var points = shape.getPoints();
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- var geometry = new THREE.BufferGeometry().setFromPoints( points );
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-
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- var material = new THREE.LineBasicMaterial( { linewidth: 10, color: 0x333333 } );
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-
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- var line = new THREE.Line( geometry, material );
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- line.position.set( x, y, z );
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- line.rotation.set( rx, ry, rz );
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- line.scale.set( s, s, s );
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- group.add( line );
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-
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- }
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-
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-
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- // California
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-
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- var californiaPts = [];
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-
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- californiaPts.push( new THREE.Vector2( 610, 320 ) );
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- californiaPts.push( new THREE.Vector2( 450, 300 ) );
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- californiaPts.push( new THREE.Vector2( 392, 392 ) );
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- californiaPts.push( new THREE.Vector2( 266, 438 ) );
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- californiaPts.push( new THREE.Vector2( 190, 570 ) );
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- californiaPts.push( new THREE.Vector2( 190, 600 ) );
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- californiaPts.push( new THREE.Vector2( 160, 620 ) );
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- californiaPts.push( new THREE.Vector2( 160, 650 ) );
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- californiaPts.push( new THREE.Vector2( 180, 640 ) );
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- californiaPts.push( new THREE.Vector2( 165, 680 ) );
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- californiaPts.push( new THREE.Vector2( 150, 670 ) );
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- californiaPts.push( new THREE.Vector2( 90, 737 ) );
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- californiaPts.push( new THREE.Vector2( 80, 795 ) );
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- californiaPts.push( new THREE.Vector2( 50, 835 ) );
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- californiaPts.push( new THREE.Vector2( 64, 870 ) );
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- californiaPts.push( new THREE.Vector2( 60, 945 ) );
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- californiaPts.push( new THREE.Vector2( 300, 945 ) );
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- californiaPts.push( new THREE.Vector2( 300, 743 ) );
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- californiaPts.push( new THREE.Vector2( 600, 473 ) );
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- californiaPts.push( new THREE.Vector2( 626, 425 ) );
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- californiaPts.push( new THREE.Vector2( 600, 370 ) );
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- californiaPts.push( new THREE.Vector2( 610, 320 ) );
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-
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- var californiaShape = new THREE.Shape( californiaPts );
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-
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-
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- // Triangle
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-
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- var triangleShape = new THREE.Shape();
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- triangleShape.moveTo( 80, 20 );
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- triangleShape.lineTo( 40, 80 );
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- triangleShape.lineTo( 120, 80 );
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- triangleShape.lineTo( 80, 20 ); // close path
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-
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-
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- // Heart
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-
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- var x = 0, y = 0;
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-
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- var heartShape = new THREE.Shape(); // From http://blog.burlock.org/html5/130-paths
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-
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- heartShape.moveTo( x + 25, y + 25 );
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- heartShape.bezierCurveTo( x + 25, y + 25, x + 20, y, x, y );
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- heartShape.bezierCurveTo( x - 30, y, x - 30, y + 35, x - 30, y + 35 );
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- heartShape.bezierCurveTo( x - 30, y + 55, x - 10, y + 77, x + 25, y + 95 );
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- heartShape.bezierCurveTo( x + 60, y + 77, x + 80, y + 55, x + 80, y + 35 );
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- heartShape.bezierCurveTo( x + 80, y + 35, x + 80, y, x + 50, y );
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- heartShape.bezierCurveTo( x + 35, y, x + 25, y + 25, x + 25, y + 25 );
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-
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-
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- // Square
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-
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- var sqLength = 80;
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-
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- var squareShape = new THREE.Shape();
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- squareShape.moveTo( 0, 0 );
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- squareShape.lineTo( 0, sqLength );
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- squareShape.lineTo( sqLength, sqLength );
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- squareShape.lineTo( sqLength, 0 );
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- squareShape.lineTo( 0, 0 );
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-
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-
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- // Rectangle
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-
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- var rectLength = 120, rectWidth = 40;
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-
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- var rectShape = new THREE.Shape();
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- rectShape.moveTo( 0, 0 );
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- rectShape.lineTo( 0, rectWidth );
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- rectShape.lineTo( rectLength, rectWidth );
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- rectShape.lineTo( rectLength, 0 );
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- rectShape.lineTo( 0, 0 );
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-
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-
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- // Rounded rectangle
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-
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- var roundedRectShape = new THREE.Shape();
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-
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- ( function roundedRect( ctx, x, y, width, height, radius ) {
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-
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- ctx.moveTo( x, y + radius );
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- ctx.lineTo( x, y + height - radius );
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- ctx.quadraticCurveTo( x, y + height, x + radius, y + height );
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- ctx.lineTo( x + width - radius, y + height );
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- ctx.quadraticCurveTo( x + width, y + height, x + width, y + height - radius );
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- ctx.lineTo( x + width, y + radius );
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- ctx.quadraticCurveTo( x + width, y, x + width - radius, y );
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- ctx.lineTo( x + radius, y );
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- ctx.quadraticCurveTo( x, y, x, y + radius );
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-
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- } )( roundedRectShape, 0, 0, 50, 50, 20 );
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-
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-
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- // Circle
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-
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- var circleRadius = 40;
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- var circleShape = new THREE.Shape();
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- circleShape.moveTo( 0, circleRadius );
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- circleShape.quadraticCurveTo( circleRadius, circleRadius, circleRadius, 0 );
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- circleShape.quadraticCurveTo( circleRadius, - circleRadius, 0, - circleRadius );
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- circleShape.quadraticCurveTo( - circleRadius, - circleRadius, - circleRadius, 0 );
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- circleShape.quadraticCurveTo( - circleRadius, circleRadius, 0, circleRadius );
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-
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-
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- // Fish
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-
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- x = y = 0;
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-
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- var fishShape = new THREE.Shape();
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-
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- fishShape.moveTo( x, y );
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- fishShape.quadraticCurveTo( x + 50, y - 80, x + 90, y - 10 );
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- fishShape.quadraticCurveTo( x + 100, y - 10, x + 115, y - 40 );
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- fishShape.quadraticCurveTo( x + 115, y, x + 115, y + 40 );
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- fishShape.quadraticCurveTo( x + 100, y + 10, x + 90, y + 10 );
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- fishShape.quadraticCurveTo( x + 50, y + 80, x, y );
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-
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-
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- // Arc circle
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-
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- var arcShape = new THREE.Shape();
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- arcShape.moveTo( 50, 10 );
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- arcShape.absarc( 10, 10, 40, 0, Math.PI * 2, false );
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-
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- var holePath = new THREE.Path();
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- holePath.moveTo( 20, 10 );
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- holePath.absarc( 10, 10, 10, 0, Math.PI * 2, true );
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- arcShape.holes.push( holePath );
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-
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-
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- // Smiley
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-
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- var smileyShape = new THREE.Shape();
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- smileyShape.moveTo( 80, 40 );
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- smileyShape.absarc( 40, 40, 40, 0, Math.PI * 2, false );
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-
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- var smileyEye1Path = new THREE.Path();
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- smileyEye1Path.moveTo( 35, 20 );
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- // smileyEye1Path.absarc( 25, 20, 10, 0, Math.PI*2, true );
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- smileyEye1Path.absellipse( 25, 20, 10, 10, 0, Math.PI * 2, true );
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-
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- smileyShape.holes.push( smileyEye1Path );
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-
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- var smileyEye2Path = new THREE.Path();
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- smileyEye2Path.moveTo( 65, 20 );
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- smileyEye2Path.absarc( 55, 20, 10, 0, Math.PI * 2, true );
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- smileyShape.holes.push( smileyEye2Path );
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-
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- var smileyMouthPath = new THREE.Path();
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- // ugly box mouth
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- // smileyMouthPath.moveTo( 20, 40 );
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- // smileyMouthPath.lineTo( 60, 40 );
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- // smileyMouthPath.lineTo( 60, 60 );
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- // smileyMouthPath.lineTo( 20, 60 );
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- // smileyMouthPath.lineTo( 20, 40 );
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-
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- smileyMouthPath.moveTo( 20, 40 );
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- smileyMouthPath.quadraticCurveTo( 40, 60, 60, 40 );
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- smileyMouthPath.bezierCurveTo( 70, 45, 70, 50, 60, 60 );
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- smileyMouthPath.quadraticCurveTo( 40, 80, 20, 60 );
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- smileyMouthPath.quadraticCurveTo( 5, 50, 20, 40 );
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-
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- smileyShape.holes.push( smileyMouthPath );
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-
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-
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- // Spline shape + path extrusion
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-
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- var splinepts = [];
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- splinepts.push( new THREE.Vector2( 350, 100 ) );
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- splinepts.push( new THREE.Vector2( 400, 450 ) );
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- splinepts.push( new THREE.Vector2( - 140, 350 ) );
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- splinepts.push( new THREE.Vector2( 0, 0 ) );
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-
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- var splineShape = new THREE.Shape( );
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- splineShape.moveTo( 0, 0 );
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- splineShape.splineThru( splinepts );
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-
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-
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- // addShape( shape, color, x, y, z, rx, ry,rz, s );
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-
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- addShape( californiaShape, 0xffaa00, - 300, - 100, 0, 0, 0, 0, 0.25 );
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- addShape( triangleShape, 0xffee00, - 180, 0, 0, 0, 0, 0, 1 );
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- addShape( roundedRectShape, 0x005500, - 150, 150, 0, 0, 0, 0, 1 );
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- addShape( squareShape, 0x0055ff, 150, 100, 0, 0, 0, 0, 1 );
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- addShape( heartShape, 0xff1100, 60, 100, 0, 0, 0, Math.PI, 1 );
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- addShape( circleShape, 0x00ff11, 120, 250, 0, 0, 0, 0, 1 );
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- addShape( fishShape, 0x222222, - 60, 200, 0, 0, 0, 0, 1 );
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- addShape( smileyShape, 0xee00ff, - 200, 250, 0, 0, 0, Math.PI, 1 );
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- addShape( arcShape, 0xbb4422, 150, 0, 0, 0, 0, 0, 1 );
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- addShape( splineShape, 0x888888, - 50, - 100, 0, 0, 0, 0, 0.2 );
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-
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- //
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-
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- renderer = new THREE.CanvasRenderer();
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- renderer.setPixelRatio( window.devicePixelRatio );
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- renderer.setSize( window.innerWidth, window.innerHeight );
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- renderer.sortElements = false;
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- container.appendChild( renderer.domElement );
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-
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- stats = new Stats();
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- container.appendChild( stats.dom );
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-
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- document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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- document.addEventListener( 'touchstart', onDocumentTouchStart, false );
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- document.addEventListener( 'touchmove', onDocumentTouchMove, false );
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-
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- //
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-
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- window.addEventListener( 'resize', onWindowResize, false );
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-
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- }
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-
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- function onWindowResize() {
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-
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- windowHalfX = window.innerWidth / 2;
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-
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- camera.aspect = window.innerWidth / window.innerHeight;
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- camera.updateProjectionMatrix();
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-
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- renderer.setSize( window.innerWidth, window.innerHeight );
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-
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- }
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-
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- //
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-
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- function onDocumentMouseDown( event ) {
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-
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- event.preventDefault();
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-
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- document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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- document.addEventListener( 'mouseup', onDocumentMouseUp, false );
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- document.addEventListener( 'mouseout', onDocumentMouseOut, false );
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-
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- mouseXOnMouseDown = event.clientX - windowHalfX;
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- targetRotationOnMouseDown = targetRotation;
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- function onDocumentMouseMove( event ) {
|
|
|
|
-
|
|
|
|
- mouseX = event.clientX - windowHalfX;
|
|
|
|
-
|
|
|
|
- targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02;
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- function onDocumentMouseUp() {
|
|
|
|
-
|
|
|
|
- document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
|
|
|
|
- document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
|
|
|
|
- document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- function onDocumentMouseOut() {
|
|
|
|
-
|
|
|
|
- document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
|
|
|
|
- document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
|
|
|
|
- document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- function onDocumentTouchStart( event ) {
|
|
|
|
-
|
|
|
|
- if ( event.touches.length == 1 ) {
|
|
|
|
-
|
|
|
|
- event.preventDefault();
|
|
|
|
-
|
|
|
|
- mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX;
|
|
|
|
- targetRotationOnMouseDown = targetRotation;
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- function onDocumentTouchMove( event ) {
|
|
|
|
-
|
|
|
|
- if ( event.touches.length == 1 ) {
|
|
|
|
-
|
|
|
|
- event.preventDefault();
|
|
|
|
-
|
|
|
|
- mouseX = event.touches[ 0 ].pageX - windowHalfX;
|
|
|
|
- targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- //
|
|
|
|
-
|
|
|
|
- function animate() {
|
|
|
|
-
|
|
|
|
- requestAnimationFrame( animate );
|
|
|
|
-
|
|
|
|
- render();
|
|
|
|
- stats.update();
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- function render() {
|
|
|
|
-
|
|
|
|
- group.rotation.y += ( targetRotation - group.rotation.y ) * 0.05;
|
|
|
|
- renderer.render( scene, camera );
|
|
|
|
-
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- </script>
|
|
|
|
-
|
|
|
|
- </body>
|
|
|
|
-</html>
|
|
|