if (index == 0) {
nozzle.setPosition(new Vector3d(-length*0.5- fl,width*0.6,0.0));
nozzle.setOrientation(MathTools.getQuat(new AxisAngle4d(0,1,0,Math.PI)));
if (index == 0) {
nozzle.setPosition(new Vector3d(-length*0.5- fl,width*0.6,0.0));
nozzle.setOrientation(MathTools.getQuat(new AxisAngle4d(0,1,0,Math.PI)));