mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-24 12:03:48 +01:00
453 lines
14 KiB
HTML
Executable File
453 lines
14 KiB
HTML
Executable File
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - 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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</style>
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</head>
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<body>
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<script src="../build/three.min.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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var container, stats;
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var camera, scene, renderer;
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var group;
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var targetRotation = 0;
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var targetRotationOnMouseDown = 0;
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var mouseX = 0;
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var mouseXOnMouseDown = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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var info = document.createElement( 'div' );
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info.style.position = 'absolute';
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info.style.top = '10px';
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info.style.width = '100%';
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info.style.textAlign = 'center';
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info.innerHTML = 'Simple procedurally generated 3D shapes<br/>Drag to spin';
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container.appendChild( info );
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scene = new THREE.Scene();
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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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scene.add( camera );
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var light = new THREE.PointLight( 0xffffff, 0.8 );
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camera.add( light );
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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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function addShape( shape, extrudeSettings, color, x, y, z, rx, ry, rz, s ) {
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var points = shape.createPointsGeometry();
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var spacedPoints = shape.createSpacedPointsGeometry( 50 );
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// flat shape
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var geometry = new THREE.ShapeGeometry( shape );
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var mesh = new THREE.Mesh( geometry, new THREE.MeshPhongMaterial( { color: color, side: THREE.DoubleSide } ) );
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mesh.position.set( x, y, z - 125 );
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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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// 3d shape
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var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings );
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var mesh = new THREE.Mesh( geometry, new THREE.MeshPhongMaterial( { color: color } ) );
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mesh.position.set( x, y, z - 75 );
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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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// solid line
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var line = new THREE.Line( points, new THREE.LineBasicMaterial( { color: color, linewidth: 3 } ) );
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line.position.set( x, y, z - 25 );
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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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// vertices from real points
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var pgeo = points.clone();
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var particles = new THREE.PointCloud( pgeo, new THREE.PointCloudMaterial( { color: color, size: 4 } ) );
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particles.position.set( x, y, z + 25 );
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particles.rotation.set( rx, ry, rz );
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particles.scale.set( s, s, s );
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group.add( particles );
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// line from equidistance sampled points
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var line = new THREE.Line( spacedPoints, new THREE.LineBasicMaterial( { color: color, linewidth: 3 } ) );
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line.position.set( x, y, z + 75 );
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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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// equidistance sampled points
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var pgeo = spacedPoints.clone();
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var particles2 = new THREE.PointCloud( pgeo, new THREE.PointCloudMaterial( { color: color, size: 4 } ) );
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particles2.position.set( x, y, z + 125 );
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particles2.rotation.set( rx, ry, rz );
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particles2.scale.set( s, s, s );
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group.add( particles2 );
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}
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// California
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var californiaPts = [];
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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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for( var i = 0; i < californiaPts.length; i ++ ) californiaPts[ i ].multiplyScalar( 0.25 );
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var californiaShape = new THREE.Shape( californiaPts );
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// Triangle
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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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// Heart
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var x = 0, y = 0;
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var heartShape = new THREE.Shape(); // From http://blog.burlock.org/html5/130-paths
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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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// Square
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var sqLength = 80;
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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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// Rectangle
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var rectLength = 120, rectWidth = 40;
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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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// Rounded rectangle
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var roundedRectShape = new THREE.Shape();
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( function roundedRect( ctx, x, y, width, height, radius ){
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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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} )( roundedRectShape, 0, 0, 50, 50, 20 );
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// Track
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var trackShape = new THREE.Shape();
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trackShape.moveTo( 40, 40 );
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trackShape.lineTo( 40, 160 );
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trackShape.absarc( 60, 160, 20, Math.PI, 0, true );
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trackShape.lineTo( 80, 40 );
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trackShape.absarc( 60, 40, 20, 2 * Math.PI, Math.PI, true );
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// Circle
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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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// Fish
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var x = y = 0;
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var fishShape = new THREE.Shape();
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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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// Arc circle
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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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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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// Smiley
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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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var smileyEye1Path = new THREE.Path();
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smileyEye1Path.moveTo( 35, 20 );
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smileyEye1Path.absellipse( 25, 20, 10, 10, 0, Math.PI*2, true );
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smileyShape.holes.push( smileyEye1Path );
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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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var smileyMouthPath = new THREE.Path();
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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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smileyShape.holes.push( smileyMouthPath );
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// Spline shape
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var splinepts = [];
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splinepts.push( new THREE.Vector2 ( 70, 20 ) );
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splinepts.push( new THREE.Vector2 ( 80, 90 ) );
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splinepts.push( new THREE.Vector2 ( -30, 70 ) );
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splinepts.push( new THREE.Vector2 ( 0, 0 ) );
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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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var extrudeSettings = { amount: 8, bevelEnabled: true, bevelSegments: 2, steps: 2, bevelSize: 1, bevelThickness: 1 };
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// addShape( shape, color, x, y, z, rx, ry,rz, s );
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addShape( californiaShape, extrudeSettings, 0xf08000, -300, -100, 0, 0, 0, 0, 1 );
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addShape( triangleShape, extrudeSettings, 0x8080f0, -180, 0, 0, 0, 0, 0, 1 );
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addShape( roundedRectShape, extrudeSettings, 0x008000, -150, 150, 0, 0, 0, 0, 1 );
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addShape( trackShape, extrudeSettings, 0x008080, 200, -100, 0, 0, 0, 0, 1 );
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addShape( squareShape, extrudeSettings, 0x0040f0, 150, 100, 0, 0, 0, 0, 1 );
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addShape( heartShape, extrudeSettings, 0xf00000, 60, 100, 0, 0, 0, Math.PI, 1 );
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addShape( circleShape, extrudeSettings, 0x00f000, 120, 250, 0, 0, 0, 0, 1 );
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addShape( fishShape, extrudeSettings, 0x404040, -60, 200, 0, 0, 0, 0, 1 );
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addShape( smileyShape, extrudeSettings, 0xf000f0, -200, 250, 0, 0, 0, Math.PI, 1 );
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addShape( arcShape, extrudeSettings, 0x804000, 150, 0, 0, 0, 0, 0, 1 );
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addShape( splineShape, extrudeSettings, 0x808080, -50, -100, 0, 0, 0, 0, 1 );
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//
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setClearColor( 0xf0f0f0 );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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stats = new Stats();
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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container.appendChild( stats.domElement );
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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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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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windowHalfX = window.innerWidth / 2;
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windowHalfY = window.innerHeight / 2;
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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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}
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//
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function onDocumentMouseDown( event ) {
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event.preventDefault();
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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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mouseXOnMouseDown = event.clientX - windowHalfX;
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targetRotationOnMouseDown = targetRotation;
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}
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function onDocumentMouseMove( event ) {
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mouseX = event.clientX - windowHalfX;
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targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02;
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}
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function onDocumentMouseUp( event ) {
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document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
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document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
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document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
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}
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function onDocumentMouseOut( event ) {
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document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
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document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
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document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
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}
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function onDocumentTouchStart( event ) {
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if ( event.touches.length == 1 ) {
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event.preventDefault();
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mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX;
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targetRotationOnMouseDown = targetRotation;
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}
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}
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function onDocumentTouchMove( event ) {
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if ( event.touches.length == 1 ) {
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event.preventDefault();
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mouseX = event.touches[ 0 ].pageX - windowHalfX;
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targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;
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}
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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group.rotation.y += ( targetRotation - group.rotation.y ) * 0.05;
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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