[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [20328] trunk/blender/source/gameengine/ Ketsji/KX_GameObject.cpp: BGE remove parent: unparented object keeps the linear and angular velocity it had while being parented .

[Benoit Bolsee]

Revision: 20328
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=20328
Author:   ben2610
Date:     2009-05-21 21:38:49 +0200 (Thu, 21 May 2009)

Log Message:
-----------
BGE remove parent: unparented object keeps the linear and angular velocity it had while being parented.

Modified Paths:
--------------
    trunk/blender/source/gameengine/Ketsji/KX_GameObject.cpp

Modified: trunk/blender/source/gameengine/Ketsji/KX_GameObject.cpp
===================================================================
--- trunk/blender/source/gameengine/Ketsji/KX_GameObject.cpp	2009-05-21 18:22:35 UTC (rev 20327)
+++ trunk/blender/source/gameengine/Ketsji/KX_GameObject.cpp	2009-05-21 19:38:49 UTC (rev 20328)
@@ -312,6 +312,18 @@
 				rootobj->m_pPhysicsController1->RemoveCompoundChild(m_pPhysicsController1);
 			}
 			m_pPhysicsController1->RestoreDynamics();
+			if (m_pPhysicsController1->IsDyna() && rootobj->m_pPhysicsController1)
+			{
+				// dynamic object should remember the velocity they had while being parented
+				MT_Point3 childPoint = GetSGNode()->GetWorldPosition();
+				MT_Point3 rootPoint = rootobj->GetSGNode()->GetWorldPosition();
+				MT_Point3 relPoint;
+				relPoint = (childPoint-rootPoint);
+				MT_Vector3 linVel = rootobj->m_pPhysicsController1->GetVelocity(relPoint);
+				MT_Vector3 angVel = rootobj->m_pPhysicsController1->GetAngularVelocity();
+				m_pPhysicsController1->SetLinearVelocity(linVel, false);
+				m_pPhysicsController1->SetAngularVelocity(angVel, false);
+			}
 		}
 		// graphically, the object hasn't change place, no need to update m_pGraphicController
 	}