mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-05 14:13:24 +01:00
219 lines
5.4 KiB
HTML
219 lines
5.4 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 canvas - 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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</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/renderers/Projector.js"></script>
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<script src="js/renderers/CanvasRenderer.js"></script>
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<script>
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var container;
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var camera, scene, renderer;
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var plane;
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var mouse, raycaster, isShiftDown = false;
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var cubeGeometry = new THREE.BoxGeometry( 50, 50, 50 );
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var cubeMaterial = new THREE.MeshLambertMaterial( { color: 0x00ff80, overdraw: 0.5 } );
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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<br><strong>click</strong>: add voxel, <strong>shift + click</strong>: remove voxel, <a href="javascript:save()">save .png</a>';
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container.appendChild( info );
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camera = new THREE.PerspectiveCamera( 40, 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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// 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 } );
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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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var material = new THREE.MeshBasicMaterial( { color: 0xff0000, wireframe: true } );
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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.x = Math.random() - 0.5;
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directionalLight.position.y = Math.random() - 0.5;
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directionalLight.position.z = Math.random() - 0.5;
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directionalLight.position.normalize();
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scene.add( directionalLight );
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var directionalLight = new THREE.DirectionalLight( 0x808080 );
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directionalLight.position.x = Math.random() - 0.5;
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directionalLight.position.y = Math.random() - 0.5;
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directionalLight.position.z = Math.random() - 0.5;
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directionalLight.position.normalize();
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scene.add( directionalLight );
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renderer = new THREE.CanvasRenderer();
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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( '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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render();
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}
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function onDocumentMouseDown( event ) {
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event.preventDefault();
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mouse.x = ( event.clientX / renderer.domElement.width ) * 2 - 1;
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mouse.y = - ( event.clientY / renderer.domElement.height ) * 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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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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} else {
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var voxel = new THREE.Mesh( cubeGeometry, 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 save() {
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window.open( renderer.domElement.toDataURL('image/png'), 'mywindow' );
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return false;
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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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