rect(x, y, width, height) {
		this.getContext().rect(x, y, width, height);
	}
creates a rectangular path whose starting point is at (x, y) and whose size is specified by width and height.
@param {number} x - The x axis of the coordinate for the rectangle starting point.
@param {number} y - The y axis of the coordinate for the rectangle starting point.
@param {number} width - The rectangle's width.
@param {number} height - The rectangle's height.