private void OnSceneGUI()
{
RoombaController rc = (RoombaController)target;
Handles.color = Color.green;
Handles.DrawWireArc(rc.transform.position, Vector3.up, Vector3.forward, 360, rc.viewRadius);
Handles.color = Color.blue;
Handles.DrawWireArc(rc.transform.position, Vector3.up, Vector3.forward, 360, rc.viewRadius2);
Handles.color = Color.red;
Handles.DrawWireArc(rc.transform.position, Vector3.up, Vector3.forward, 360, rc.killDst);
Vector3 viewAngleA = rc.DirFromAngle(-rc.viewAngle / 2, false);
Vector3 viewAngleB = rc.DirFromAngle(rc.viewAngle / 2, false);
Handles.DrawLine(rc.transform.position, rc.transform.position + viewAngleA * rc.viewRadius);
Handles.DrawLine(rc.transform.position, rc.transform.position + viewAngleB * rc.viewRadius);
}
