public void mouseWheelMoved(float amount) {
		if (amount == 0f)
			return;
		amount = amount * 0.004f;
		if (!Keyboard.isKeyDown(Keyboard.KEY_LSHIFT)) {
			if (Keyboard.isKeyDown(Keyboard.KEY_LCONTROL))
				amount /= 10;
			zoom += amount;
			if (zoom <= 0)
				zoom = 1f;
			return;
		} else {
			FTGLExtrdFont f = (FTGLExtrdFont) fonts[FTGL_EXTRUDE];

			if (Keyboard.isKeyDown(Keyboard.KEY_LCONTROL))
				amount *= 10;
			f.setDepth(f.getDepth() + amount);
			return;
		}
	}