opacity [0,1]
Optionalasif true, outline is dashed
Optionalcolouroutline colour
Readonlydefaultdefault colour
if true, not moveable
identity
name
radius of circle
start (or centre) point coordinate
Vector3 copy of start coordinate
retrieve points
callback for drag handle movements
Optionald: booleanset start
string representation
StaticclicksStaticcreateStaticcreateStaticis
Class to select a circle