source: other-projects/playing-in-the-street/summer-2013/trunk/Playing-in-the-Street-WPF/Content/Web/mrdoob-three.js-4862f5f/src/materials/SpriteMaterial.js@ 28897

/**
 * @author alteredq / http://alteredqualia.com/
 *
 * parameters = {
 *  color: <hex>,
 *  opacity: <float>,
 *  map: new THREE.Texture( <Image> ),
 *
 *  blending: THREE.NormalBlending,
 *  depthTest: <bool>,
 *  depthWrite: <bool>,
 *
 *  uvOffset: new THREE.Vector2(),
 *  uvScale: new THREE.Vector2(),
 *
 *  fog: <bool>
 * }
 */

THREE.SpriteMaterial = function ( parameters ) {

    THREE.Material.call( this );

    // defaults

    this.color = new THREE.Color( 0xffffff );
    this.map = null;

    this.rotation = 0;

    this.fog = false;

    // set parameters

    this.setValues( parameters );

};

THREE.SpriteMaterial.prototype = Object.create( THREE.Material.prototype );

THREE.SpriteMaterial.prototype.clone = function () {

    var material = new THREE.SpriteMaterial();

    THREE.Material.prototype.clone.call( this, material );

    material.color.copy( this.color );
    material.map = this.map;

    material.rotation = this.rotation;

    material.fog = this.fog;

    return material;

};