mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 04:56:01 +10:00
240 lines
5.8 KiB
HTML
240 lines
5.8 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.material.ambient = object.material.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.material.color.setHex( INTERSECTED.currentHex );
|
|
|
|
INTERSECTED = intersects[ 0 ].object;
|
|
INTERSECTED.currentHex = INTERSECTED.material.color.getHex();
|
|
|
|
plane.position.copy( INTERSECTED.position );
|
|
|
|
}
|
|
|
|
container.style.cursor = 'pointer';
|
|
|
|
} else {
|
|
|
|
if ( INTERSECTED ) INTERSECTED.material.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>
|