Property definitions

geometry $ Point3d :: z=
	redef var z: N = 0.0 is writable, optional
lib/geometry/points_and_lines.nit:163,2--43

gamnit :: flat_core $ Point3d :: z=
	redef fun z=(v)
	do
		if isset _z and v != z then needs_update
		super
	end
lib/gamnit/flat/flat_core.nit:864,2--868,4

gamnit $ OffsetPoint3d :: z=
	redef fun z=(value) do if value != null then offset_z += value - z
lib/gamnit/cameras.nit:326,2--67

gamnit :: flat_core $ OffsetPoint3d :: z=
	redef fun z=(v)
	do
		if isset _z and v != z then needs_update
		super
	end
lib/gamnit/flat/flat_core.nit:884,2--888,4