This represents an arc in a 2d space.
Creates an Arc object from the three given points : start, middle and end.
Defines the start point of the arc
Defines the midlle point of the arc
Defines the end point of the arc
Defines the angle of the arc (from mid point to end point).
Defines the center point of the arc.
Defines the mid point of the arc
Defines the orientation of the arc (clock wise/counter clock wise).
Defines the radius of the arc.
Defines the start angle of the arc (from start point to middle point).
This represents an arc in a 2d space.