mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-30 09:24:57 +01:00
267 lines
6.3 KiB
HTML
267 lines
6.3 KiB
HTML
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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 webgl - draggable cubes</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/controls/TrackballControls.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, controls, scene, renderer;
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var objects = [], plane;
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var raycaster = new THREE.Raycaster();
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var mouse = new THREE.Vector2(),
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offset = new THREE.Vector3(),
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INTERSECTED, SELECTED;
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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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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.z = 1000;
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controls = new THREE.TrackballControls( camera );
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controls.rotateSpeed = 1.0;
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controls.zoomSpeed = 1.2;
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controls.panSpeed = 0.8;
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controls.noZoom = false;
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controls.noPan = false;
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controls.staticMoving = true;
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controls.dynamicDampingFactor = 0.3;
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scene = new THREE.Scene();
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scene.add( new THREE.AmbientLight( 0x505050 ) );
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var light = new THREE.SpotLight( 0xffffff, 1.5 );
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light.position.set( 0, 500, 2000 );
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light.castShadow = true;
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light.shadowCameraNear = 200;
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light.shadowCameraFar = camera.far;
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light.shadowCameraFov = 50;
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light.shadowBias = -0.00022;
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light.shadowDarkness = 0.5;
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light.shadowMapWidth = 2048;
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light.shadowMapHeight = 2048;
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scene.add( light );
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var geometry = new THREE.BoxGeometry( 40, 40, 40 );
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for ( var i = 0; i < 200; i ++ ) {
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var object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: Math.random() * 0xffffff } ) );
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object.position.x = Math.random() * 1000 - 500;
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object.position.y = Math.random() * 600 - 300;
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object.position.z = Math.random() * 800 - 400;
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object.rotation.x = Math.random() * 2 * Math.PI;
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object.rotation.y = Math.random() * 2 * Math.PI;
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object.rotation.z = Math.random() * 2 * Math.PI;
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object.scale.x = Math.random() * 2 + 1;
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object.scale.y = Math.random() * 2 + 1;
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object.scale.z = Math.random() * 2 + 1;
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object.castShadow = true;
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object.receiveShadow = true;
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scene.add( object );
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objects.push( object );
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}
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plane = new THREE.Mesh(
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new THREE.PlaneBufferGeometry( 2000, 2000, 8, 8 ),
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new THREE.MeshBasicMaterial( { color: 0x000000, opacity: 0.25, transparent: true } )
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);
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plane.visible = false;
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scene.add( plane );
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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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renderer.sortObjects = false;
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renderer.shadowMapEnabled = true;
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renderer.shadowMapType = THREE.PCFShadowMap;
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container.appendChild( renderer.domElement );
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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 = '<a href="http://threejs.org" target="_blank">three.js</a> webgl - draggable cubes';
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container.appendChild( info );
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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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renderer.domElement.addEventListener( 'mousemove', onDocumentMouseMove, false );
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renderer.domElement.addEventListener( 'mousedown', onDocumentMouseDown, false );
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renderer.domElement.addEventListener( 'mouseup', onDocumentMouseUp, 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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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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function onDocumentMouseMove( event ) {
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event.preventDefault();
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mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
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mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
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//
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raycaster.setFromCamera( mouse, camera );
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if ( SELECTED ) {
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var intersects = raycaster.intersectObject( plane );
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SELECTED.position.copy( intersects[ 0 ].point.sub( offset ) );
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return;
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}
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var intersects = raycaster.intersectObjects( objects );
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if ( intersects.length > 0 ) {
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if ( INTERSECTED != intersects[ 0 ].object ) {
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if ( INTERSECTED ) INTERSECTED.material.color.setHex( INTERSECTED.currentHex );
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INTERSECTED = intersects[ 0 ].object;
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INTERSECTED.currentHex = INTERSECTED.material.color.getHex();
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plane.position.copy( INTERSECTED.position );
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plane.lookAt( camera.position );
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}
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container.style.cursor = 'pointer';
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} else {
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if ( INTERSECTED ) INTERSECTED.material.color.setHex( INTERSECTED.currentHex );
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INTERSECTED = null;
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container.style.cursor = 'auto';
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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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var vector = new THREE.Vector3( mouse.x, mouse.y, 0.5 ).unproject( camera );
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var raycaster = new THREE.Raycaster( camera.position, vector.sub( camera.position ).normalize() );
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var intersects = raycaster.intersectObjects( objects );
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if ( intersects.length > 0 ) {
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controls.enabled = false;
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SELECTED = intersects[ 0 ].object;
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var intersects = raycaster.intersectObject( plane );
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offset.copy( intersects[ 0 ].point ).sub( plane.position );
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container.style.cursor = 'move';
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}
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}
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function onDocumentMouseUp( event ) {
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event.preventDefault();
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controls.enabled = true;
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if ( INTERSECTED ) {
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plane.position.copy( INTERSECTED.position );
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SELECTED = null;
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}
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container.style.cursor = 'auto';
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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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controls.update();
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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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