Optionalcircle: TOptionalalphaAngle: numberOptionalsense: booleanThe circle edge the arc is cut from.
The point on the circle where the arc starts.
OptionalalphaWhere the arc ends, in degrees on the circle, measured from the circle's own start rather
than from point; an angle that lands on point is refused.
OptionalsenseWhich way round the circle the arc runs: true follows the circle's own direction, false goes the other way.
A circle edge, a point on it and an angle on it for
shapes.edge.arcFromCirclePointAndAngle, which cuts the arc from the point to that angle.