translate(x, y) {
		if (this.settings.subPixel === false) {
			this.getContext().translate(~~x, ~~y);
		} else {
			this.getContext().translate(x, y);
		}
	}
adds a translation transformation to the current matrix.
@param {number} x - Distance to move in the horizontal direction. Positive values are to the right, and negative to the left.
@param {number} y - Distance to move in the vertical direction. Positive values are down, and negative are up.