PeasyCam - Yaw and Roll only

Hi there,

As the title suggests I'm trying to only allow yaw and roll rotations, is that possible?

I'm aware of these functions but it only seems to be one or the other!?

// By default, the camera is in "free rotation" mode, but you can
// constrain it to any axis, around the look-at point:
camera.setYawRotationMode();   // like spinning a globe
camera.setPitchRotationMode(); // like a somersault
camera.setRollRotationMode();  // like a radio knob
camera.setSuppressRollRotationMode();  // Permit pitch/yaw only.

// Then you can set it back to its default mode:
camera.setFreeRotationMode();

Thanks, Charles