mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-26 15:34:57 +01:00
217 lines
5.4 KiB
HTML
Executable File
217 lines
5.4 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - interactive lines</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 {
|
|
font-family: Monospace;
|
|
background-color: #f0f0f0;
|
|
margin: 0px;
|
|
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, raycaster, renderer, parentTransform, sphereInter;
|
|
|
|
var mouse = new THREE.Vector2();
|
|
var radius = 100, theta = 0;
|
|
|
|
var currentIntersected;
|
|
|
|
init();
|
|
animate();
|
|
|
|
function init() {
|
|
|
|
container = document.createElement( 'div' );
|
|
document.body.appendChild( container );
|
|
|
|
var info = document.createElement( 'div' );
|
|
info.style.position = 'absolute';
|
|
info.style.top = '10px';
|
|
info.style.width = '100%';
|
|
info.style.textAlign = 'center';
|
|
info.innerHTML = '<a href="http://threejs.org" target="_blank">three.js</a> webgl - interactive lines';
|
|
container.appendChild( info );
|
|
|
|
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
var geometry = new THREE.SphereGeometry( 5 );
|
|
var material = new THREE.MeshBasicMaterial( { color: 0xff0000 } );
|
|
|
|
sphereInter = new THREE.Mesh( geometry, material );
|
|
sphereInter.visible = false;
|
|
scene.add( sphereInter );
|
|
|
|
var geometry = new THREE.Geometry();
|
|
|
|
var point = new THREE.Vector3();
|
|
var direction = new THREE.Vector3();
|
|
|
|
for ( var i = 0; i < 50; i ++ ) {
|
|
|
|
direction.x += Math.random() - 0.5;
|
|
direction.y += Math.random() - 0.5;
|
|
direction.z += Math.random() - 0.5;
|
|
direction.normalize().multiplyScalar( 10 );
|
|
|
|
point.add( direction );
|
|
|
|
geometry.vertices.push( point.clone() );
|
|
|
|
}
|
|
|
|
parentTransform = new THREE.Object3D();
|
|
parentTransform.position.x = Math.random() * 40 - 20;
|
|
parentTransform.position.y = Math.random() * 40 - 20;
|
|
parentTransform.position.z = Math.random() * 40 - 20;
|
|
|
|
parentTransform.rotation.x = Math.random() * 2 * Math.PI;
|
|
parentTransform.rotation.y = Math.random() * 2 * Math.PI;
|
|
parentTransform.rotation.z = Math.random() * 2 * Math.PI;
|
|
|
|
parentTransform.scale.x = Math.random() + 0.5;
|
|
parentTransform.scale.y = Math.random() + 0.5;
|
|
parentTransform.scale.z = Math.random() + 0.5;
|
|
|
|
for ( var i = 0; i < 50; i ++ ) {
|
|
|
|
var type = Math.random() > 0.5 ? THREE.LineStrip : THREE.LinePieces;
|
|
var object = new THREE.Line( geometry, new THREE.LineBasicMaterial( { color: Math.random() * 0xffffff } ), type );
|
|
|
|
object.position.x = Math.random() * 400 - 200;
|
|
object.position.y = Math.random() * 400 - 200;
|
|
object.position.z = Math.random() * 400 - 200;
|
|
|
|
object.rotation.x = Math.random() * 2 * Math.PI;
|
|
object.rotation.y = Math.random() * 2 * Math.PI;
|
|
object.rotation.z = Math.random() * 2 * Math.PI;
|
|
|
|
object.scale.x = Math.random() + 0.5;
|
|
object.scale.y = Math.random() + 0.5;
|
|
object.scale.z = Math.random() + 0.5;
|
|
|
|
parentTransform.add( object );
|
|
|
|
}
|
|
|
|
scene.add( parentTransform );
|
|
|
|
raycaster = new THREE.Raycaster();
|
|
raycaster.linePrecision = 3;
|
|
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
|
renderer.setClearColor( 0xf0f0f0 );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
container.appendChild(renderer.domElement);
|
|
|
|
stats = new Stats();
|
|
stats.domElement.style.position = 'absolute';
|
|
stats.domElement.style.top = '0px';
|
|
container.appendChild( stats.domElement );
|
|
|
|
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
|
|
|
|
//
|
|
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
}
|
|
|
|
function onWindowResize() {
|
|
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
|
camera.updateProjectionMatrix();
|
|
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
}
|
|
|
|
function onDocumentMouseMove( event ) {
|
|
|
|
event.preventDefault();
|
|
|
|
mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
|
|
mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
render();
|
|
stats.update();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
theta += 0.1;
|
|
|
|
camera.position.x = radius * Math.sin( THREE.Math.degToRad( theta ) );
|
|
camera.position.y = radius * Math.sin( THREE.Math.degToRad( theta ) );
|
|
camera.position.z = radius * Math.cos( THREE.Math.degToRad( theta ) );
|
|
camera.lookAt( scene.position );
|
|
|
|
camera.updateMatrixWorld();
|
|
|
|
// find intersections
|
|
|
|
raycaster.setFromCamera( mouse, camera );
|
|
|
|
var intersects = raycaster.intersectObjects( parentTransform.children, true);
|
|
|
|
if ( intersects.length > 0 ) {
|
|
|
|
if ( currentIntersected !== undefined ) {
|
|
|
|
currentIntersected.material.linewidth = 1;
|
|
|
|
}
|
|
|
|
currentIntersected = intersects[ 0 ].object;
|
|
currentIntersected.material.linewidth = 5;
|
|
|
|
sphereInter.visible = true;
|
|
sphereInter.position.copy( intersects[ 0 ].point );
|
|
|
|
} else {
|
|
|
|
if ( currentIntersected !== undefined ) {
|
|
|
|
currentIntersected.material.linewidth = 1;
|
|
|
|
}
|
|
|
|
currentIntersected = undefined;
|
|
|
|
sphereInter.visible = false;
|
|
|
|
}
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|