Smooth
Bool = false 16.20
If true and the polygon has at least 3 vertices, the client replaces the outline with a closed centripetal Catmull-Rom curve through the vertices. It subdivides each curve segment until the segment is flat within 4 world units, at most 4 times, and uses the resulting points as the outline.
If false, or if the polygon has fewer than 3 vertices, the client uses the vertices as they are.