UnityEditor.Handles.Disc C# (CSharp) Method

        public static Quaternion Disc(Quaternion rotation, Vector3 position, Vector3 axis, float size, bool cutoffPlane, float snap)
        {
            return UnityEditorInternal.Disc.Do(GUIUtility.GetControlID(s_DiscHash, FocusType.Keyboard), rotation, position, axis, size, cutoffPlane, snap);
        }

        private void DrawSingleCollision(PhysicsDebugDraw.VisContactPoint contactPoint, Color impulseColor, bool useRandomColor)
        {
            var primaryColor = useRandomColor ? GetHashedColor(contactPoint.thisColliderInstanceID) : PhysicsVisualizationSettings.contactColor;
            var inverseColor = useRandomColor ? GetInverseColor(primaryColor) : PhysicsVisualizationSettings.contactSeparationColor;

            var colliderScale1 = GetColliderScale(contactPoint.thisCollider);
            var colliderScale2 = GetColliderScale(contactPoint.otherCollider);
            var colliderScale  = Mathf.Min(colliderScale1, colliderScale2);

            Handles.color = primaryColor;
            Handles.ArrowHandleCap(0, contactPoint.point, Quaternion.LookRotation(contactPoint.normal), colliderScale, EventType.Repaint);

            if (PhysicsVisualizationSettings.showContactSeparation && contactPoint.separation > 0.01f)
            {
                Vector3 p2 = contactPoint.point - (contactPoint.normal * contactPoint.separation);

                Handles.color = inverseColor;
                // The line that displays the separation
                Handles.DrawLine(p2, contactPoint.point, 2f);
                Handles.Disc(Quaternion.identity, contactPoint.point
                             , contactPoint.normal, contactPoint.separation / 2f, false, 1f);

                // Looks really good but maybe computationally too expensive?
                var discFillingColor = inverseColor;
                discFillingColor.a = 0.2f;

                Handles.color = discFillingColor;
                Handles.DrawSolidDisc(contactPoint.point, contactPoint.normal, contactPoint.separation / 2f);
            }

            // Impulse arrow
            if (PhysicsVisualizationSettings.showContactImpulse && contactPoint.impulse.sqrMagnitude > 0.001f)
            {
                Handles.color = impulseColor;
                Handles.ArrowHandleCap(0, contactPoint.point, Quaternion.LookRotation(contactPoint.impulse), contactPoint.impulse.magnitude, EventType.Repaint);
            }
        }