|
|
@@ -0,0 +1,190 @@
|
|
|
+<!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.js"></script>
|
|
|
+
|
|
|
+ <script src="js/libs/stats.min.js"></script>
|
|
|
+
|
|
|
+ <script>
|
|
|
+
|
|
|
+ var container, stats;
|
|
|
+ var camera, scene, projector, raycaster, renderer, parentTransform, sphereInter;
|
|
|
+
|
|
|
+ var mouse = new THREE.Vector2();
|
|
|
+ var radius = 100, theta = 0;
|
|
|
+
|
|
|
+ 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 cubes';
|
|
|
+ container.appendChild( info );
|
|
|
+
|
|
|
+ camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
|
|
|
+
|
|
|
+ scene = new THREE.Scene();
|
|
|
+
|
|
|
+ var light = new THREE.DirectionalLight( 0xffffff, 2 );
|
|
|
+ light.position.set( 1, 1, 1 ).normalize();
|
|
|
+ scene.add( light );
|
|
|
+
|
|
|
+ var light = new THREE.DirectionalLight( 0xffffff );
|
|
|
+ light.position.set( -1, -1, -1 ).normalize();
|
|
|
+ scene.add( light );
|
|
|
+
|
|
|
+ var sphereGeometry = new THREE.SphereGeometry(3);
|
|
|
+ sphereInter = new THREE.Mesh( sphereGeometry, new THREE.MeshLambertMaterial( { color: 0xff0000 } ) );
|
|
|
+ sphereInter.visible = false;
|
|
|
+ scene.add( sphereInter );
|
|
|
+
|
|
|
+ var geometry = new THREE.Geometry();
|
|
|
+ geometry.vertices.push( new THREE.Vector3( 0, 0, 0 ) );
|
|
|
+ geometry.vertices.push( new THREE.Vector3( 15, 15, 15 ) );
|
|
|
+
|
|
|
+ parentTransform = new THREE.Mesh();
|
|
|
+ parentTransform.position.x = Math.random() * 800 - 400;
|
|
|
+ parentTransform.position.y = Math.random() * 800 - 400;
|
|
|
+ parentTransform.position.z = Math.random() * 800 - 400;
|
|
|
+
|
|
|
+ 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 < 1000; i ++ ) {
|
|
|
+
|
|
|
+ var object = new THREE.Line( geometry, new THREE.LineBasicMaterial( { color: Math.random() * 0xffffff, linewidth: 2 } ) );
|
|
|
+
|
|
|
+ object.position.x = Math.random() * 800 - 400;
|
|
|
+ object.position.y = Math.random() * 800 - 400;
|
|
|
+ object.position.z = Math.random() * 800 - 400;
|
|
|
+
|
|
|
+ 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);
|
|
|
+
|
|
|
+ projector = new THREE.Projector();
|
|
|
+ raycaster = new THREE.Raycaster();
|
|
|
+ raycaster.linePrecision = 5;
|
|
|
+
|
|
|
+ renderer = new THREE.WebGLRenderer();
|
|
|
+ renderer.sortObjects = false;
|
|
|
+ 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 );
|
|
|
+
|
|
|
+ // find intersections
|
|
|
+
|
|
|
+ var vector = new THREE.Vector3( mouse.x, mouse.y, 1 );
|
|
|
+ projector.unprojectVector( vector, camera );
|
|
|
+
|
|
|
+ raycaster.set( camera.position, vector.sub( camera.position ).normalize() );
|
|
|
+
|
|
|
+ var intersects = raycaster.intersectObjects( parentTransform.children, true);
|
|
|
+
|
|
|
+ if ( intersects.length > 0 ) {
|
|
|
+
|
|
|
+ sphereInter.visible = true;
|
|
|
+ sphereInter.position = (intersects[0].point).clone();
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ sphereInter.visible = false;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ renderer.render( scene, camera );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ </script>
|
|
|
+
|
|
|
+ </body>
|
|
|
+</html>
|
stephomi