/*global define*/
define([
'../Renderer/WebGLConstants',
'./freezeObject'
], function(
WebGLConstants,
freezeObject) {
'use strict';
/**
* Winding order defines the order of vertices for a triangle to be considered front-facing.
*
* @exports WindingOrder
*/
var WindingOrder = {
/**
* Vertices are in clockwise order.
*
* @type {Number}
* @constant
*/
CLOCKWISE : WebGLConstants.CW,
/**
* Vertices are in counter-clockwise order.
*
* @type {Number}
* @constant
*/
COUNTER_CLOCKWISE : WebGLConstants.CCW,
/**
* @private
*/
validate : function(windingOrder) {
return windingOrder === WindingOrder.CLOCKWISE ||
windingOrder === WindingOrder.COUNTER_CLOCKWISE;
}
};
return freezeObject(WindingOrder);
});