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164 lines
3.7 KiB
164 lines
3.7 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - clipIntersection</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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margin: 0px;
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background-color: #000000;
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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.js"></script>
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<script src="js/controls/OrbitControls.js"></script>
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<script src="js/libs/dat.gui.min.js"></script>
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<script>
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var camera, scene, renderer;
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var params = {
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clipIntersection: true,
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planeConstant: 0,
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showHelpers: false
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};
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var clipPlanes = [
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new THREE.Plane( new THREE.Vector3( 1, 0, 0 ), 0 ),
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new THREE.Plane( new THREE.Vector3( 0, - 1, 0 ), 0 ),
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new THREE.Plane( new THREE.Vector3( 0, 0, - 1 ), 0 )
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];
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init();
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render();
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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.setSize( window.innerWidth, window.innerHeight );
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renderer.localClippingEnabled = true;
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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, 200 );
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camera.position.set( - 1.5, 2.5, 3.0 );
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var controls = new THREE.OrbitControls( camera, renderer.domElement );
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controls.addEventListener( 'change', render ); // use only if there is no animation loop
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controls.minDistance = 1;
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controls.maxDistance = 10;
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controls.enablePan = false;
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var light = new THREE.HemisphereLight( 0xffffff, 0x080808, 1.5 );
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light.position.set( - 1.25, 1, 1.25 );
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scene.add( light );
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// var helper = new THREE.CameraHelper( light.shadow.camera );
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// scene.add( helper );
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//
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var group = new THREE.Group();
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for ( var i = 1; i <= 30; i += 2 ) {
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var geometry = new THREE.SphereBufferGeometry( i / 30, 48, 24 );
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var material = new THREE.MeshLambertMaterial( {
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color: new THREE.Color().setHSL( Math.random(), 0.5, 0.5 ),
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side: THREE.DoubleSide,
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clippingPlanes: clipPlanes,
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clipIntersection: params.clipIntersection
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} );
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group.add( new THREE.Mesh( geometry, material ) );
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}
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scene.add( group );
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// helpers
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var helpers = new THREE.Group();
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helpers.add( new THREE.PlaneHelper( clipPlanes[ 0 ], 2, 0xff0000 ) );
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helpers.add( new THREE.PlaneHelper( clipPlanes[ 1 ], 2, 0x00ff00 ) );
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helpers.add( new THREE.PlaneHelper( clipPlanes[ 2 ], 2, 0x0000ff ) );
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helpers.visible = false;
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scene.add( helpers );
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// gui
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var gui = new dat.GUI();
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gui.add( params, 'clipIntersection' ).name( 'clip intersection' ).onChange( function ( value ) {
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var children = group.children;
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for ( var i = 0; i < children.length; i ++ ) {
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children[ i ].material.clipIntersection = value;
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}
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render();
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} );
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gui.add( params, 'planeConstant', - 1, 1 ).step( 0.01 ).name( 'plane constant' ).onChange( function ( value ) {
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for ( var j = 0; j < clipPlanes.length; j ++ ) {
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clipPlanes[ j ].constant = value;
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}
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render();
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} );
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gui.add( params, 'showHelpers' ).name( 'show helpers' ).onChange( function ( value ) {
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helpers.visible = value;
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render();
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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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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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render();
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}
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function render() {
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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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