Files
three.js/examples/webgl_interactive_draggablecubes.html
T
alteredq 9968b7dc07 Changed ambient handling for Phong and Lambert materials.
Removed diffuse color influence on ambient term in Phong. This was causing texture disappearance when diffuse color was black.

Made Lambert more similar to Phong: now it also has ambient color parameter. Before ambient light was affecting Lambert as if ambient color was always 0xffffff.
2011-10-18 00:05:09 +02:00

240 lines
5.9 KiB
HTML

<!doctype html>
<html lang="en">
<head>
<title>three.js webgl - draggable cubes</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/RequestAnimationFrame.js"></script>
<script src="js/Stats.js"></script>
<script>
var container, stats;
var camera, scene, projector, renderer;
var objects = [], plane;
var mouse = new THREE.Vector2(),
offset = new THREE.Vector3(),
INTERSECTED, SELECTED;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.z = 1000;
scene = new THREE.Scene();
scene.add( new THREE.AmbientLight( 0x505050 ) );
var light = new THREE.SpotLight( 0xffffff, 1.5 );
light.position.set( 0, 500, 2000 );
light.castShadow = true;
scene.add( light );
var geometry = new THREE.CubeGeometry( 40, 40, 40 );
for ( var i = 0; i < 200; i ++ ) {
var object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: Math.random() * 0xffffff } ) );
object.materials[ 0 ].ambient = object.materials[ 0 ].color;
object.position.x = Math.random() * 1000 - 500;
object.position.y = Math.random() * 600 - 300;
object.position.z = Math.random() * 800 - 400;
object.rotation.x = ( Math.random() * 360 ) * Math.PI / 180;
object.rotation.y = ( Math.random() * 360 ) * Math.PI / 180;
object.rotation.z = ( Math.random() * 360 ) * Math.PI / 180;
object.scale.x = Math.random() * 2 + 1;
object.scale.y = Math.random() * 2 + 1;
object.scale.z = Math.random() * 2 + 1;
object.castShadow = true;
object.receiveShadow = true;
scene.add( object );
objects.push( object );
}
plane = new THREE.Mesh( new THREE.PlaneGeometry( 2000, 2000, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0x000000, opacity: 0.25, transparent: true, wireframe: true } ) );
plane.lookAt( camera.position );
plane.visible = false;
scene.add( plane );
projector = new THREE.Projector();
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.sortObjects = false;
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.shadowMapEnabled = true;
renderer.shadowMapSoft = true;
renderer.shadowCameraNear = 3;
renderer.shadowCameraFar = camera.far;
renderer.shadowCameraFov = 50;
renderer.shadowMapBias = 0.0039;
renderer.shadowMapDarkness = 0.5;
renderer.shadowMapWidth = 1024;
renderer.shadowMapHeight = 1024;
container.appendChild( renderer.domElement );
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://github.com/mrdoob/three.js" target="_blank">three.js</a> webgl - draggable cubes';
container.appendChild( info );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.domElement );
renderer.domElement.addEventListener( 'mousemove', onDocumentMouseMove, false );
renderer.domElement.addEventListener( 'mousedown', onDocumentMouseDown, false );
renderer.domElement.addEventListener( 'mouseup', onDocumentMouseUp, false );
}
function onDocumentMouseMove( event ) {
event.preventDefault();
mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
//
var vector = new THREE.Vector3( mouse.x, mouse.y, 0.5 );
projector.unprojectVector( vector, camera );
var ray = new THREE.Ray( camera.position, vector.subSelf( camera.position ).normalize() );
if ( SELECTED ) {
var intersects = ray.intersectObject( plane );
SELECTED.position.copy( intersects[ 0 ].point.subSelf( offset ) );
return;
}
var intersects = ray.intersectObjects( objects );
if ( intersects.length > 0 ) {
if ( INTERSECTED != intersects[ 0 ].object ) {
if ( INTERSECTED ) INTERSECTED.materials[ 0 ].color.setHex( INTERSECTED.currentHex );
INTERSECTED = intersects[ 0 ].object;
INTERSECTED.currentHex = INTERSECTED.materials[ 0 ].color.getHex();
plane.position.copy( INTERSECTED.position );
}
container.style.cursor = 'pointer';
} else {
if ( INTERSECTED ) INTERSECTED.materials[ 0 ].color.setHex( INTERSECTED.currentHex );
INTERSECTED = null;
container.style.cursor = 'auto';
}
}
function onDocumentMouseDown( event ) {
event.preventDefault();
var vector = new THREE.Vector3( mouse.x, mouse.y, 0.5 );
projector.unprojectVector( vector, camera );
var ray = new THREE.Ray( camera.position, vector.subSelf( camera.position ).normalize() );
var intersects = ray.intersectObjects( objects );
if ( intersects.length > 0 ) {
SELECTED = intersects[ 0 ].object;
var intersects = ray.intersectObject( plane );
offset.copy( intersects[ 0 ].point ).subSelf( plane.position );
container.style.cursor = 'move';
}
}
function onDocumentMouseUp( event ) {
event.preventDefault();
if ( INTERSECTED ) {
plane.position.copy( INTERSECTED.position );
SELECTED = null;
}
container.style.cursor = 'auto';
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
renderer.render( scene, camera );
}
</script>
</body>
</html>