/**
 * Two Pi.
 *
 * @static
 * @constant {number} PI_2
 * @memberof PIXI
 */
export const PI_2 = Math.PI * 2;

/**
 * Conversion factor for converting radians to degrees.
 *
 * @static
 * @constant {number} RAD_TO_DEG
 * @memberof PIXI
 */
export const RAD_TO_DEG = 180 / Math.PI;

/**
 * Conversion factor for converting degrees to radians.
 *
 * @static
 * @constant {number} DEG_TO_RAD
 * @memberof PIXI
 */
export const DEG_TO_RAD = Math.PI / 180;

/**
 * Constants that identify shapes, mainly to prevent `instanceof` calls.
 *
 * @static
 * @constant
 * @name SHAPES
 * @memberof PIXI
 * @type {object}
 * @property {number} POLY Polygon
 * @property {number} RECT Rectangle
 * @property {number} CIRC Circle
 * @property {number} ELIP Ellipse
 * @property {number} RREC Rounded Rectangle
 */
export const SHAPES = {
    POLY: 0,
    RECT: 1,
    CIRC: 2,
    ELIP: 3,
    RREC: 4,
};