Function isColor

src/engineMath.js:871–871

* Check if object is a valid Color * @param {any} c * @return {boolean} * @memberof Math

(c)

 * @return {boolean}
 * @memberof Math */
function isColor(c) { return c instanceof Color && c.isValid(); }

// color asserts
function ASSERT_COLOR_VALID(c) { ASSERT(isColor(c), 'Color is invalid.', c); }