照片墙/js/CSS3DRenderer.js

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/**
 * Based on http://www.emagix.net/academic/mscs-project/item/camera-sync-with-css3-and-webgl-threejs
 * @author mrdoob / http://mrdoob.com/
 */

THREE.CSS3DObject = function ( element ) {

	THREE.Object3D.call( this );

	this.element = element;
	this.element.style.position = 'absolute';

	this.addEventListener( 'removed', function () {

		if ( this.element.parentNode !== null ) {

			this.element.parentNode.removeChild( this.element );

		}

	} );

};

THREE.CSS3DObject.prototype = Object.create( THREE.Object3D.prototype );
THREE.CSS3DObject.prototype.constructor = THREE.CSS3DObject;

THREE.CSS3DSprite = function ( element ) {

	THREE.CSS3DObject.call( this, element );

};

THREE.CSS3DSprite.prototype = Object.create( THREE.CSS3DObject.prototype );
THREE.CSS3DSprite.prototype.constructor = THREE.CSS3DSprite;

//

THREE.CSS3DRenderer = function () {

	console.log( 'THREE.CSS3DRenderer', THREE.REVISION );

	var _width, _height;
	var _widthHalf, _heightHalf;

	var matrix = new THREE.Matrix4();

	var cache = {
		camera: { fov: 0, style: '' },
		objects: {}
	};

	var domElement = document.createElement( 'div' );
	domElement.style.overflow = 'hidden';

	this.domElement = domElement;

	var cameraElement = document.createElement( 'div' );

	cameraElement.style.WebkitTransformStyle = 'preserve-3d';