import { Vector3 } from '../math/Vector3';

import { Object3D } from '../core/Object3D';

import { SpriteMaterial } from '../materials/SpriteMaterial';

/**

* @author mikael emtinger / http://gomo.se/

* @author alteredq / http://alteredqualia.com/

*/

function Sprite( material ) {

Object3D.call( this );

this.type = 'Sprite';

this.material = ( material !== undefined ) ? material : new SpriteMaterial();

}

Sprite.prototype = Object.assign( Object.create( Object3D.prototype ), {

constructor: Sprite,

isSprite: true,

raycast: ( function () {

var matrixPosition = new Vector3();

return function raycast( raycaster, intersects ) {

matrixPosition.setFromMatrixPosition( this.matrixWorld );

var distanceSq = raycaster.ray.distanceSqToPoint( matrixPosition );

var guessSizeSq = this.scale.x * this.scale.y / 4;

if ( distanceSq > guessSizeSq ) {

return;

}

intersects.push( {

distance: Math.sqrt( distanceSq ),

point: this.position,

face: null,

object: this

} );

};

}() ),

clone: function () {

return new this.constructor( this.material ).copy( this );

}

} );

export { Sprite };