text: /**
   * @author mikael emtinger / http://gomo.se/
   * @author alteredq / http://alteredqualia.com/
   */
  
  THREE.Sprite = function (material) {
  
  	var indices = new Uint16Array( [ 0, 1, 2,  0, 2, 3 ] );
  	var vertices = new Float32Array( [ - 0.5, - 0.5, 0,   0.5, - 0.5, 0,   0.5, 0.5, 0,   - 0.5, 0.5, 0 ] );
  	var uvs = new Float32Array( [ 0, 0,   1, 0,   1, 1,   0, 1 ] );
  
  	var geometry = new THREE.BufferGeometry();
  	geometry.setIndex( new THREE.BufferAttribute( indices, 1 ) );
  	geometry.addAttribute( 'position', new THREE.BufferAttribute( vertices, 3 ) );
  	geometry.addAttribute( 'uv', new THREE.BufferAttribute( uvs, 2 ) );
  
  //	return function Sprite( material ) {
  
  		THREE.Object3D.call( this );
  
  		this.type = 'Sprite';
  
  		this.geometry = geometry;
  		this.material = ( material !== undefined ) ? material : new THREE.SpriteMaterial();
  
  //	};
  
  };
  
  THREE.Sprite.prototype = Object.create( THREE.Object3D.prototype );
  THREE.Sprite.prototype.constructor = THREE.Sprite;
  
  THREE.Sprite.prototype.raycast = ( function () {
  
  	var matrixPosition = new THREE.Vector3();
  
  	return function raycast( raycaster, intersects ) {
  
  		matrixPosition.setFromMatrixPosition( this.matrixWorld );
  
  		var distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );
  		var guessSizeSq = this.scale.x * this.scale.y;
  
  		if ( distanceSq > guessSizeSq ) {
  
  			return;
  
  		}
  
  		intersects.push( {
  
  			distance: Math.sqrt( distanceSq ),
  			point: this.position,
  			face: null,
  			object: this
  
  		} );
  
  	};
  
  }() );
  
  THREE.Sprite.prototype.clone = function () {
  
  	return new this.constructor( this.material ).copy( this );
  
  };
  
  // Backwards compatibility
  
  THREE.Particle = THREE.Sprite;
  