private void incrementColors() {
		if(isbottomColorShifting)
			bottomColor = colorShiftVals[colorShiftIndex];
		else
			topColor = colorShiftVals[colorShiftIndex];
		colorShiftIndex += 1;
		if(colorShiftIndex == colorShiftVals.length) {
			colorShiftIndex = 0;
			if(isbottomColorShifting) {
				isbottomColorShifting = false;
				colorShiftVals = Gradient.buildRandomGradient(topColor, 210, COLOR_SHIFT_SPEED);
			}
			else {
				isbottomColorShifting = true;
				colorShiftVals = Gradient.buildRandomGradient(bottomColor, 210, COLOR_SHIFT_SPEED);
			}
		}
	}