Rescue mission almost done docking part behaves weirdly)

maneuvers/grapple.py

@@ -0,0 +1,36 @@
+from time import sleep
+
+from . import Maneuver
+from .utils import magnitude, correct_course_to_target, rcs_push, point_toward_target
+
+
+class GrappleManeuver(Maneuver):
+    def __init__(self, conn, mission_control, target):
+        super().__init__(conn, mission_control)
+        self.target = target
+
+    def start(self):
+        vessel = self.mission_control.vessel
+        vessel.parts.controlling = self.mission_control.get_grappling()
+
+        point_toward_target(self.conn, vessel, self.target)
+
+        self.mission_control.toggle_grappling(True)
+        rcs_push(vessel, {"y": 1}, .75)
+
+        vessel.control.rcs = True
+        try:
+            while magnitude(vessel.position(self.target.reference_frame)) > 0:
+                print(magnitude(vessel.position(self.target.reference_frame)))
+                sa = self.conn.mech_jeb.smart_ass
+                sa.autopilot_mode = self.conn.mech_jeb.SmartASSAutopilotMode.relative_plus
+                sa.update(False)
+                correct_course_to_target(vessel, self.target)
+
+        except ValueError:
+            vessel = self.conn.space_center.active_vessel
+            self.mission_control.vessel = vessel
+        finally:
+            vessel.control.rcs = False
+
+        return True