Method setMask

packages/melonjs/src/video/renderer.js:1025–1025

* A mask limits rendering elements to the shape and position of the given mask object. * So, if the renderable is larger than the mask, only the intersecting part of the renderable will be visible. * Mask are not preserved through renderer context save and restore. * @param {Rect|RoundRect|Pol

()

	 * @param {boolean} [invert=false] - either the given shape should define what is visible (default) or the opposite
	 */
	setMask() {}

	/**
	 * disable (remove) the rendering mask set through setMask.