ellipse
Makes an ellipse given a center and two radii. radiusA is along the
x-axis of the current drawing plane, radiusB is along the y-axis
of the current drawing plane. The ellipse is otherwise just like the circle.
center :
Point
Center of the ellipse
radiusA :
Scaler
Radius along x-axis
radiusB :
Scaler
Radius along y-axis