gzdoom/wadsrc/static/actors/shared/movingcamera.txt

ACTOR InterpolationPoint 9070 native
{
	+NOBLOCKMAP
	+NOGRAVITY
	+DONTSPLASH
	RenderStyle None
}

ACTOR InterpolationSpecial 9075 native
{
	+NOBLOCKMAP
	+NOSECTOR
	+NOGRAVITY
	+DONTSPLASH
}

ACTOR PathFollower 9071 native
{
	+NOBLOCKMAP
	+NOSECTOR
	+NOGRAVITY
	+DONTSPLASH
}

ACTOR ActorMover : PathFollower 9074 native
{
}

ACTOR MovingCamera : PathFollower 9072 native
{
}