Core WindingOrder.js

100% Statements 3/3

100% Branches 2/2

100% Functions 1/1

100% Lines 3/3

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  import WebGLConstants from "./WebGLConstants.js";
 
/**
 * Winding order defines the order of vertices for a triangle to be considered front-facing.
 *
 * @enum {number}
 */
const 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
 */
WindingOrder.validate = function (windingOrder) {
  return (
    windingOrder === WindingOrder.CLOCKWISE ||
    windingOrder === WindingOrder.COUNTER_CLOCKWISE
  );
};
 
export default Object.freeze(WindingOrder);