Method isHalf

src/main/java/gregapi/fluid/FluidTankGT.java:316–316

()

	public boolean isEmpty  () {return mFluid == null;}
	public boolean isFull   () {return mAmount     >= capacity();}
	public boolean isHalf   () {return mAmount * 2 >= capacity();}
	public boolean overHalf () {return mAmount * 2 >  capacity();}
	public boolean underHalf() {return mAmount * 2 <  capacity();}