mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-24 12:03:48 +01:00
133 lines
3.1 KiB
HTML
Executable File
133 lines
3.1 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - trails</title>
|
|
<meta charset="utf-8">
|
|
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
|
<style>
|
|
body {
|
|
background:#000;
|
|
padding:0;
|
|
margin:0;
|
|
font-weight: bold;
|
|
overflow:hidden;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
|
|
<script src="../build/three.min.js"></script>
|
|
|
|
<script src="js/libs/stats.min.js"></script>
|
|
|
|
<script>
|
|
|
|
var container, stats;
|
|
|
|
var camera, scene, renderer;
|
|
|
|
var mouseX = 0, mouseY = 0;
|
|
|
|
var windowHalfX = window.innerWidth / 2;
|
|
var windowHalfY = window.innerHeight / 2;
|
|
|
|
init();
|
|
animate();
|
|
|
|
function init() {
|
|
|
|
container = document.createElement( 'div' );
|
|
document.body.appendChild( container );
|
|
|
|
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 10000 );
|
|
camera.position.set( 100000, 0, 3200 );
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
var colors = [ 0x000000, 0xff0080, 0x8000ff, 0xffffff ];
|
|
var geometry = new THREE.Geometry();
|
|
|
|
for ( var i = 0; i < 2000; i ++ ) {
|
|
|
|
var vertex = new THREE.Vector3();
|
|
vertex.x = Math.random() * 4000 - 2000;
|
|
vertex.y = Math.random() * 4000 - 2000;
|
|
vertex.z = Math.random() * 4000 - 2000;
|
|
geometry.vertices.push( vertex );
|
|
|
|
geometry.colors.push( new THREE.Color( colors[ Math.floor( Math.random() * colors.length ) ] ) );
|
|
|
|
}
|
|
|
|
var material = new THREE.PointCloudMaterial( { size: 1, vertexColors: THREE. VertexColors, depthTest: false, opacity: 0.5, sizeAttenuation: false, transparent: true } );
|
|
|
|
var mesh = new THREE.PointCloud( geometry, material );
|
|
scene.add( mesh );
|
|
|
|
renderer = new THREE.WebGLRenderer( { preserveDrawingBuffer: true } );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
renderer.sortObjects = false;
|
|
renderer.autoClearColor = false;
|
|
container.appendChild( renderer.domElement );
|
|
|
|
stats = new Stats();
|
|
stats.domElement.style.position = 'absolute';
|
|
stats.domElement.style.top = '0px';
|
|
stats.domElement.style.zIndex = 100;
|
|
container.appendChild( stats.domElement );
|
|
|
|
//
|
|
|
|
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
|
|
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
}
|
|
|
|
function onWindowResize() {
|
|
|
|
windowHalfX = window.innerWidth / 2;
|
|
windowHalfY = window.innerHeight / 2;
|
|
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
|
camera.updateProjectionMatrix();
|
|
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
}
|
|
|
|
function onDocumentMouseMove(event) {
|
|
|
|
mouseX = ( event.clientX - windowHalfX ) * 10;
|
|
mouseY = ( event.clientY - windowHalfY ) * 10;
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
render();
|
|
stats.update();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
camera.position.x += ( mouseX - camera.position.x ) * .05;
|
|
camera.position.y += ( - mouseY - camera.position.y ) * .05;
|
|
|
|
camera.lookAt( scene.position );
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|