OpenSim
/
OpenSimMirror
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

BulletSim: some comments about rebuilding linksets (having to recompute and restore a child's position in the world based on its position in the moved linkset).

0.7.5-pf-bulletsim
Robert Adams 2012-12-09 22:32:13 -08:00
parent ce5083a504
commit a19896cc56
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
OpenSim/Region/Physics/BulletSPlugin/BSLinksetCompound.cs
View File

@ -192,6 +192,8 @@ public sealed class BSLinksetCompound : BSLinkset
child.LocalID, child.PhysBody.ptr.ToString("X")); child.LocalID, child.PhysBody.ptr.ToString("X"));
// Cause the child's body to be rebuilt and thus restored to normal operation // Cause the child's body to be rebuilt and thus restored to normal operation
// TODO: position and rotation must be restored because the child could have moved
// based on the linkset.
child.ForceBodyShapeRebuild(false); child.ForceBodyShapeRebuild(false);
if (!HasAnyChildren) if (!HasAnyChildren)
@ -236,9 +238,10 @@ public sealed class BSLinksetCompound : BSLinkset
if (cPrim.PhysShape.isNativeShape) if (cPrim.PhysShape.isNativeShape)
{ {
// Native shapes are not shared so we need to create a new one. // A native shape is turning into a null collision shape because native
// A mesh or hull is created because scale is not available on a native shape. // shapes are not shared so we have to hullify it so it will be tracked
// (TODO: Bullet does have a btScaledCollisionShape. Can that be used?) // and freed at the correct time. This also solves the scaling problem
// (native shapes scaled but hull/meshes are assumed to not be).
BulletShape saveShape = cPrim.PhysShape; BulletShape saveShape = cPrim.PhysShape;
cPrim.PhysShape.ptr = IntPtr.Zero; // Don't let the create free the child's shape cPrim.PhysShape.ptr = IntPtr.Zero; // Don't let the create free the child's shape
PhysicsScene.Shapes.CreateGeomMeshOrHull(cPrim, null); PhysicsScene.Shapes.CreateGeomMeshOrHull(cPrim, null);