local c=Vector3.new(0,0,1)local r=Vector3.new(1,0,1)local p=Vector3.new(0,0,0)local n=2*math.pi

local UNIT_Z = Vector3.new(0,0,1)
local X1_Y0_Z1 = Vector3.new(1,0,1)	--Note: not a unit vector, used for projecting onto XZ plane
local ZERO_VECTOR3 = Vector3.new(0,0,0)
local TAU = 2 * math.pi
