mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 04:56:01 +10:00
242 lines
6.4 KiB
HTML
242 lines
6.4 KiB
HTML
<!doctype html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js canvas - interactive - voxel painter</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, renderer;
|
|
var projector, plane;
|
|
var mouse2D, mouse3D, ray,
|
|
rollOveredFace, isShiftDown = false,
|
|
theta = 45, isCtrlDown = false,
|
|
target = new THREE.Vector3( 0, 200, 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://github.com/mrdoob/three.js" target="_blank">three.js</a> - voxel painter<br /><strong>click</strong>: add voxel, <strong>control + click</strong>: remove voxel, <strong>shift</strong>: rotate, <a href="javascript:save();return false;">save .png</a>';
|
|
container.appendChild( info );
|
|
|
|
camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 10000 );
|
|
camera.position.y = 800;
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
// Grid
|
|
|
|
var geometry = new THREE.Geometry();
|
|
geometry.vertices.push( new THREE.Vertex( new THREE.Vector3( - 500, 0, 0 ) ) );
|
|
geometry.vertices.push( new THREE.Vertex( new THREE.Vector3( 500, 0, 0 ) ) );
|
|
|
|
var material = new THREE.LineBasicMaterial( { color: 0x000000, opacity: 0.2 } );
|
|
|
|
for ( var i = 0; i <= 20; i ++ ) {
|
|
|
|
var line = new THREE.Line( geometry, material );
|
|
line.position.z = ( i * 50 ) - 500;
|
|
scene.add( line );
|
|
|
|
var line = new THREE.Line( geometry, material );
|
|
line.position.x = ( i * 50 ) - 500;
|
|
line.rotation.y = 90 * Math.PI / 180;
|
|
scene.add( line );
|
|
|
|
}
|
|
|
|
projector = new THREE.Projector();
|
|
|
|
plane = new THREE.Mesh( new THREE.PlaneGeometry( 1000, 1000, 20, 20 ), new THREE.MeshFaceMaterial() );
|
|
plane.rotation.x = - 90 * Math.PI / 180;
|
|
scene.add( plane );
|
|
|
|
mouse2D = new THREE.Vector3( 0, 10000, 0.5 );
|
|
ray = new THREE.Ray( camera.position, null );
|
|
|
|
// Lights
|
|
|
|
var ambientLight = new THREE.AmbientLight( 0x606060 );
|
|
scene.add( ambientLight );
|
|
|
|
var directionalLight = new THREE.DirectionalLight( 0xffffff );
|
|
directionalLight.position.x = Math.random() - 0.5;
|
|
directionalLight.position.y = Math.random() - 0.5;
|
|
directionalLight.position.z = Math.random() - 0.5;
|
|
directionalLight.position.normalize();
|
|
scene.add( directionalLight );
|
|
|
|
var directionalLight = new THREE.DirectionalLight( 0x808080 );
|
|
directionalLight.position.x = Math.random() - 0.5;
|
|
directionalLight.position.y = Math.random() - 0.5;
|
|
directionalLight.position.z = Math.random() - 0.5;
|
|
directionalLight.position.normalize();
|
|
scene.add( directionalLight );
|
|
|
|
renderer = new THREE.CanvasRenderer();
|
|
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 );
|
|
document.addEventListener( 'mousedown', onDocumentMouseDown, false );
|
|
document.addEventListener( 'keydown', onDocumentKeyDown, false );
|
|
document.addEventListener( 'keyup', onDocumentKeyUp, false );
|
|
|
|
}
|
|
|
|
function onDocumentMouseMove( event ) {
|
|
|
|
event.preventDefault();
|
|
|
|
mouse2D.x = ( event.clientX / window.innerWidth ) * 2 - 1;
|
|
mouse2D.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
|
|
|
|
}
|
|
|
|
function onDocumentMouseDown( event ) {
|
|
|
|
event.preventDefault();
|
|
|
|
var intersects = ray.intersectScene( scene );
|
|
|
|
if ( intersects.length > 0 ) {
|
|
|
|
if ( isCtrlDown ) {
|
|
|
|
if ( intersects[ 0 ].object != plane ) {
|
|
|
|
scene.remove( intersects[ 0 ].object );
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
var position = new THREE.Vector3().add( intersects[ 0 ].point, intersects[ 0 ].object.matrixRotationWorld.multiplyVector3( intersects[ 0 ].face.normal.clone() ) );
|
|
|
|
var voxel = new THREE.Mesh( new THREE.CubeGeometry( 50, 50, 50 ), [ new THREE.MeshLambertMaterial( { color: 0x00ff80, opacity: 1, shading: THREE.FlatShading } ), new THREE.MeshFaceMaterial() ] );
|
|
voxel.position.x = Math.floor( position.x / 50 ) * 50 + 25;
|
|
voxel.position.y = Math.floor( position.y / 50 ) * 50 + 25;
|
|
voxel.position.z = Math.floor( position.z / 50 ) * 50 + 25;
|
|
voxel.matrixAutoUpdate = false;
|
|
voxel.updateMatrix();
|
|
voxel.overdraw = true;
|
|
scene.add( voxel );
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
function onDocumentKeyDown( event ) {
|
|
|
|
switch( event.keyCode ) {
|
|
|
|
case 16: isShiftDown = true; break;
|
|
case 17: isCtrlDown = true; break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function onDocumentKeyUp( event ) {
|
|
|
|
switch( event.keyCode ) {
|
|
|
|
case 16: isShiftDown = false; break;
|
|
case 17: isCtrlDown = false; break;
|
|
|
|
}
|
|
}
|
|
|
|
function save() {
|
|
|
|
window.open( renderer.domElement.toDataURL('image/png'), 'mywindow' );
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
render();
|
|
stats.update();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
if ( isShiftDown ) {
|
|
|
|
theta += mouse2D.x * 3;
|
|
|
|
}
|
|
|
|
camera.position.x = 1400 * Math.sin( theta * Math.PI / 360 );
|
|
camera.position.z = 1400 * Math.cos( theta * Math.PI / 360 );
|
|
camera.lookAt( target );
|
|
|
|
mouse3D = projector.unprojectVector( mouse2D.clone(), camera );
|
|
ray.direction = mouse3D.subSelf( camera.position ).normalize();
|
|
|
|
var intersects = ray.intersectScene( scene );
|
|
|
|
if ( intersects.length > 0 ) {
|
|
|
|
if ( intersects[ 0 ].face != rollOveredFace ) {
|
|
|
|
if ( rollOveredFace ) rollOveredFace.materials = [];
|
|
rollOveredFace = intersects[ 0 ].face;
|
|
rollOveredFace.materials = [ new THREE.MeshBasicMaterial( { color: 0xff0000, opacity: 0.5 } ) ];
|
|
}
|
|
|
|
} else if ( rollOveredFace ) {
|
|
|
|
rollOveredFace.materials = [];
|
|
rollOveredFace = null;
|
|
|
|
}
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|