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提交 8909a2cc 编写于 作者: M Mr.doob
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Improved webgl_raycast_sprite.

上级 3d2bc3c8
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Showing with 116 addition and 120 deletion
examples/webgl_raycast_sprite.html
浏览文件 @ 8909a2cc
<!DOCTYPE html> <!DOCTYPE html>
<html lang="en"> <html lang="en">
<head> <head>
<title>three.js webgl - raycast - sprite</title> <title>three.js webgl - raycast - sprite</title>
<meta charset="utf-8"> <meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"> <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style> <style>
body { body {
margin: 0px; font-family: Monospace;
background-color: #fff; font-size: 13px;
overflow: hidden; text-align: center;
}
margin: 0px;
#info{ background-color: #fff;
position: absolute; overflow: hidden;
z-index: 1; }
width: 100%;
text-align: center; #info{
} position: absolute;
</style> z-index: 1;
</head> width: 100%;
padding: 5px;
text-align: center;
}
</style>
</head>
<body> <body>
<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl raycast sprite<br></div> <div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl raycast sprite<br></div>
<script src="../build/three.js"></script> <script src="../build/three.js"></script>
<script src="./js/controls/OrbitControls.js"></script> <script src="./js/controls/OrbitControls.js"></script>
<script> <script>
var renderer;
var scene;
var spriteGroup;
var camera;
var controls;
init(); var renderer, scene, camera;
animate(); var controls, group;
function init() { init();
animate();
// init renderer function init() {
renderer = new THREE.WebGLRenderer( {
antialias: true
} );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
renderer.setClearColor( 0xFFFFFF, 1.0 );
// init scene // init renderer
scene = new THREE.Scene(); renderer = new THREE.WebGLRenderer( { antialias: true } );
spriteGroup = new THREE.Object3D(); renderer.setPixelRatio( window.devicePixelRatio );
scene.add( spriteGroup ); renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
// init camera // init scene
camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 ); scene = new THREE.Scene();
camera.position.set( 15, 15, 15 ); scene.background = new THREE.Color( 0xffffff );
camera.lookAt( scene.position );
controls = new THREE.OrbitControls( camera, renderer.domElement ); group = new THREE.Group();
controls.enableRotate = true; scene.add( group );
// add sprites // init camera
var sprite; camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.set( 15, 15, 15 );
camera.lookAt( scene.position );
sprite = makeSprite( '#69f', spriteGroup ); controls = new THREE.OrbitControls( camera, renderer.domElement );
sprite.position.set( 6, 5, 5 ); controls.enableRotate = true;
sprite.scale.set( 2, 5, 1 );
sprite = makeSprite( '#69f', spriteGroup ); // add sprites
sprite.position.set( 8, - 2, 2 );
sprite.center.set( 0.5, 0 );
sprite.scale.set( 1, - 5, 1 );
sprite.material.rotation = Math.PI / 3 * 4;
var g = new THREE.Object3D(); var sprite = new THREE.Sprite( new THREE.SpriteMaterial( { color: '#69f' } ) );
spriteGroup.add( g ); sprite.position.set( 6, 5, 5 );
g.scale.set( 1, 2, 1 ); sprite.scale.set( 2, 5, 1 );
g.position.set( - 5, 0, 0 ); group.add( sprite );
g.rotation.set( Math.PI / 2, 0, 0 );
sprite = makeSprite( '#69f', g ); var sprite = new THREE.Sprite( new THREE.SpriteMaterial( { color: '#69f' } ) );
sprite.position.set( 0, 2, 5 ); sprite.material.rotation = Math.PI / 3 * 4;
sprite.scale.set( 10, 2, 3 ); sprite.position.set( 8, - 2, 2 );
sprite.center.set( - 0.1, 0 ); sprite.center.set( 0.5, 0 );
sprite.material.rotation = Math.PI / 3; sprite.scale.set( 1, - 5, 1 );
group.add( sprite );
window.addEventListener( 'resize', onWindowResize, false ); var group2 = new THREE.Object3D();
window.addEventListener( "mousemove", onDocumentMouseMove, false ); group2.scale.set( 1, 2, 1 );
group2.position.set( - 5, 0, 0 );
group2.rotation.set( Math.PI / 2, 0, 0 );
group.add( group2 );
} var sprite = new THREE.Sprite( new THREE.SpriteMaterial( { color: '#69f' } ) );
sprite.position.set( 0, 2, 5 );
sprite.scale.set( 10, 2, 3 );
sprite.center.set( - 0.1, 0 );
sprite.material.rotation = Math.PI / 3;
group2.add( sprite );
function makeSprite( color, parent ) { window.addEventListener( 'resize', onWindowResize, false );
window.addEventListener( "mousemove", onDocumentMouseMove, false );
var sprite = new THREE.Sprite( new THREE.SpriteMaterial( { }
color: color
} ) );
parent.add( sprite );
return sprite;
} function animate() {
function animate() { renderer.render( scene, camera );
requestAnimationFrame( animate );
renderer.render( scene, camera ); }
requestAnimationFrame( animate );
} function onWindowResize() {
function onWindowResize() { camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
camera.aspect = window.innerWidth / window.innerHeight; renderer.setSize( window.innerWidth, window.innerHeight );
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight ); }
} var selectedObject = null;
var selectedObject = null; function onDocumentMouseMove( event ) {
function onDocumentMouseMove( event ) { event.preventDefault();
if ( selectedObject ) {
event.preventDefault(); selectedObject.material.color.set( '#69f' );
if ( selectedObject ) { selectedObject = null;
selectedObject.material.color.set( '#69f' ); }
selectedObject = null;
} var intersects = getIntersects( event.layerX, event.layerY );
if ( intersects.length > 0 ) {
var intersects = getIntersects( event.layerX, event.layerY ); var res = intersects.filter( function ( res ) {
if ( intersects.length > 0 ) {
var res = intersects.filter( function ( res ) { return res && res.object;
return res && res.object; } )[ 0 ];
} )[ 0 ]; if ( res && res.object ) {
if ( res && res.object ) { selectedObject = res.object;
selectedObject.material.color.set( '#f00' );
selectedObject = res.object; }
selectedObject.material.color.set( '#f00' );
} }
} }
} var raycaster = new THREE.Raycaster();
var mouseVector = new THREE.Vector3();
var raycaster = new THREE.Raycaster(); function getIntersects( x, y ) {
var mouseVector = new THREE.Vector3();
function getIntersects( x, y ) { x = ( x / window.innerWidth ) * 2 - 1;
y = - ( y / window.innerHeight ) * 2 + 1;
mouseVector.set( mouseVector.set( x, y, 0.5 );
( x / window.innerWidth ) * 2 - 1, - ( y / window.innerHeight ) * 2 + 1, raycaster.setFromCamera( mouseVector, camera );
0.5 );
raycaster.setFromCamera( mouseVector, camera );
var intersects = raycaster.intersectObjects( [ spriteGroup ], true );
return intersects;
} return raycaster.intersectObject( group, true );
</script>
}
</script>
</body> </body>
</html> </html>
\ No newline at end of file
examples/webgl_raycast_texture.html
浏览文件 @ 8909a2cc
...@@ -7,9 +7,9 @@ ...@@ -7,9 +7,9 @@
<style> <style>
body { body {
color: #808080; color: #808080;
font-family:Monospace; font-family: Monospace;
font-size:13px; font-size: 13px;
text-align:center; text-align: center;
background-color: #ffffff; background-color: #ffffff;
margin: 0px; margin: 0px;
......
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