| Center | Sphere2 | |
| ClosestSurfacePoint(Vector2 point, out Vector2 ret, out float sign) | Sphere2 | |
| IsInside(Vector2 point) | Sphere2 | |
| NegativeClipSegment(ref Vector2 A, ref Vector2 B) | Sphere2 | |
| Radius | Sphere2 | |
| SignedDistance(Vector2 point) | Sphere2 | |
| Sphere2(Vector2 center, float radius) | Sphere2 |