mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 04:23:47 +01:00
240 lines
5.9 KiB
HTML
240 lines
5.9 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 - interactive - voxel painter</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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#oldie { background-color: #ddd !important }
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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/Detector.js"></script>
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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var container;
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var camera, scene, renderer;
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var plane, cube;
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var mouse, raycaster, isShiftDown = false;
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var rollOverMesh, rollOverMaterial;
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var cubeGeo, cubeMaterial;
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var objects = [];
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init();
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render();
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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 = '<a href="http://threejs.org" target="_blank">three.js</a> - voxel painter - webgl<br><strong>click</strong>: add voxel, <strong>shift + click</strong>: remove voxel';
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container.appendChild( info );
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.set( 500, 800, 1300 );
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camera.lookAt( new THREE.Vector3() );
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scene = new THREE.Scene();
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// roll-over helpers
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rollOverGeo = new THREE.BoxGeometry( 50, 50, 50 );
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rollOverMaterial = new THREE.MeshBasicMaterial( { color: 0xff0000, opacity: 0.5, transparent: true } );
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rollOverMesh = new THREE.Mesh( rollOverGeo, rollOverMaterial );
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scene.add( rollOverMesh );
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// cubes
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cubeGeo = new THREE.BoxGeometry( 50, 50, 50 );
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cubeMaterial = new THREE.MeshLambertMaterial( { color: 0xfeb74c, shading: THREE.FlatShading, map: THREE.ImageUtils.loadTexture( "textures/square-outline-textured.png" ) } );
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// grid
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var size = 500, step = 50;
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var geometry = new THREE.Geometry();
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for ( var i = - size; i <= size; i += step ) {
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geometry.vertices.push( new THREE.Vector3( - size, 0, i ) );
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geometry.vertices.push( new THREE.Vector3( size, 0, i ) );
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geometry.vertices.push( new THREE.Vector3( i, 0, - size ) );
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geometry.vertices.push( new THREE.Vector3( i, 0, size ) );
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}
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var material = new THREE.LineBasicMaterial( { color: 0x000000, opacity: 0.2, transparent: true } );
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var line = new THREE.Line( geometry, material, THREE.LinePieces );
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scene.add( line );
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//
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raycaster = new THREE.Raycaster();
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mouse = new THREE.Vector2();
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var geometry = new THREE.PlaneBufferGeometry( 1000, 1000 );
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geometry.applyMatrix( new THREE.Matrix4().makeRotationX( - Math.PI / 2 ) );
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plane = new THREE.Mesh( geometry );
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plane.visible = false;
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scene.add( plane );
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objects.push( plane );
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// Lights
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var ambientLight = new THREE.AmbientLight( 0x606060 );
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scene.add( ambientLight );
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var directionalLight = new THREE.DirectionalLight( 0xffffff );
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directionalLight.position.set( 1, 0.75, 0.5 ).normalize();
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scene.add( directionalLight );
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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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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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document.addEventListener( 'keydown', onDocumentKeyDown, false );
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document.addEventListener( 'keyup', onDocumentKeyUp, 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.set( ( event.clientX / window.innerWidth ) * 2 - 1, - ( event.clientY / window.innerHeight ) * 2 + 1 );
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raycaster.setFromCamera( mouse, camera );
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var intersects = raycaster.intersectObjects( objects );
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if ( intersects.length > 0 ) {
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var intersect = intersects[ 0 ];
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rollOverMesh.position.copy( intersect.point ).add( intersect.face.normal );
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rollOverMesh.position.divideScalar( 50 ).floor().multiplyScalar( 50 ).addScalar( 25 );
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}
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render();
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}
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function onDocumentMouseDown( event ) {
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event.preventDefault();
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mouse.set( ( event.clientX / window.innerWidth ) * 2 - 1, - ( event.clientY / window.innerHeight ) * 2 + 1 );
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raycaster.setFromCamera( mouse, camera );
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var intersects = raycaster.intersectObjects( objects );
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if ( intersects.length > 0 ) {
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var intersect = intersects[ 0 ];
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// delete cube
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if ( isShiftDown ) {
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if ( intersect.object != plane ) {
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scene.remove( intersect.object );
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objects.splice( objects.indexOf( intersect.object ), 1 );
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}
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// create cube
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} else {
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var voxel = new THREE.Mesh( cubeGeo, cubeMaterial );
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voxel.position.copy( intersect.point ).add( intersect.face.normal );
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voxel.position.divideScalar( 50 ).floor().multiplyScalar( 50 ).addScalar( 25 );
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scene.add( voxel );
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objects.push( voxel );
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}
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render();
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}
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}
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function onDocumentKeyDown( event ) {
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switch( event.keyCode ) {
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case 16: isShiftDown = true; break;
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}
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}
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function onDocumentKeyUp( event ) {
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switch ( event.keyCode ) {
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case 16: isShiftDown = false; break;
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}
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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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