Method scaleX

packages/melonjs/src/math/matrix3d.ts:655–657

* specifies a 2D scale operation using the [sx, 1] scaling vector * @param x - x scaling vector * @returns Reference to this object for method chaining

(x: number)

	 * @returns Reference to this object for method chaining
	 */
	scaleX(x: number) {
		return this.scale(x, 1);
	}

	/**
	 * specifies a 2D scale operation using the [1,sy] scaling vector