Heim > Artikel > Web-Frontend > HTML5-Leinwand erlangt 3D-Schneeflockentanzeffekt_html5-Tutorialfähigkeiten
var-Container;
var-Partikel;
var camera;
var scene;
var renderer;
var MouseX = 0;
var MouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var Partikel = [];
var PartikelImage = new Image();//THREE.ImageUtils.loadTexture( "img/ParticleSmoke.png" );
PartikelImage.src = 'images/ParticleSmoke.png';
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new THREE.PerspectiveCamera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
camera.position.z = 1000;
scene = new THREE.Scene();
scene.add(camera);
renderer = new THREE.CanvasRenderer();
renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
var material = new THREE.ParticleBasicMaterial( { map: new THREE.Texture(particleImage) } );
for (var i = 0; i < 500; i ) {
Partikel = neues Partikel3D( Material);
Partikel.position.x = Math.random() * 2000 - 1000;
Partikel.position.y = Math.random() * 2000 - 1000;
Partikel .position.z = Math.random() * 2000 - 1000;
Particle.scale.x = Particle.scale.y = 1;
Scene.add( Particle );
Particles. push(Partikel);
}
container.appendChild( renderer.domElement );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
setInterval( loop, 1000 / 60 );
}
function onDocumentMouseMove( event ) {
mouseX = event.clientX - windowHalfX;
mouseY = event.clientY - windowHalfY;
}
Funktion onDocumentTouchStart( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
mouseX = event.touches[ 0 ].pageX - windowHalfX;
mouseY = event.touches[ 0 ].pageY - windowHalfY;
}
}
Funktion onDocumentTouchMove( event ) {
if ( event.touches.length == 1 ) {
event.preventDefault();
mouseX = event.touches[ 0 ].pageX - windowHalfX;
mouseY = event.touches[ 0 ].pageY - windowHalfY;
}
}
//
Funktion loop() {
for(var i = 0; i
var Partikel = Partikel[i];
Partikel.updatePhysics();
with(particle.position)
{
if(y<-1000) y =2000;
if(x>1000) x-=2000;
else if(x<-1000) x =2000;
if(z>1000) z-=2000;
else if(z<-1000) z =2000;
}
}
camera.position.x = ( mouseX - camera.position.x ) * 0.05;
camera.position.y = ( - mouseY - camera.position.y ) * 0,05;
camera.lookAt(scene.position);
renderer.render( Szene, Kamera );
}