private BulletShape CreatePhysicalMesh(string objName, ulong newMeshKey, PrimitiveBaseShape pbs, OMV.Vector3 size, float lod)
{
IMesh meshData = null;
IntPtr meshPtr;
MeshDesc meshDesc;
if (Meshes.TryGetValue(newMeshKey, out meshDesc))
{
// If the mesh has already been built just use it.
meshPtr = meshDesc.ptr;
}
else
{
// Pass false for physicalness as this creates some sort of bounding box which we don't need
meshData = PhysicsScene.mesher.CreateMesh(objName, pbs, size, lod, false);
int[] indices = meshData.getIndexListAsInt();
List <OMV.Vector3> vertices = meshData.getVertexList();
float[] verticesAsFloats = new float[vertices.Count * 3];
int vi = 0;
foreach (OMV.Vector3 vv in vertices)
{
verticesAsFloats[vi++] = vv.X;
verticesAsFloats[vi++] = vv.Y;
verticesAsFloats[vi++] = vv.Z;
}
// m_log.DebugFormat("{0}: CreateGeomMesh: calling CreateMesh. lid={1}, key={2}, indices={3}, vertices={4}",
// LogHeader, prim.LocalID, newMeshKey, indices.Length, vertices.Count);
meshPtr = BulletSimAPI.CreateMeshShape2(PhysicsScene.World.ptr,
indices.GetLength(0), indices, vertices.Count, verticesAsFloats);
}
BulletShape newShape = new BulletShape(meshPtr, ShapeData.PhysicsShapeType.SHAPE_MESH);
newShape.shapeKey = newMeshKey;
return(newShape);
}