public override bool UpdateIfNeeded() { MeshCollider meshCollider = collider as MeshCollider; // retrieve collision world and index: var world = ObiColliderWorld.GetInstance(); int index = source.Handle.index; // decrease reference count of current handle if the mesh data it points to is different // than the mesh used by the collider: if (handle != null && handle.owner != meshCollider.sharedMesh) { if (handle.Dereference()) { world.DestroyTriangleMesh(handle); } } // get or create the mesh: if (handle == null || !handle.isValid) { handle = world.GetOrCreateTriangleMesh(meshCollider.sharedMesh); handle.Reference(); } // update collider: var shape = world.colliderShapes[index]; shape.type = ColliderShape.ShapeType.TriangleMesh; shape.phase = source.Phase; shape.flags = meshCollider.isTrigger ? 1 : 0; shape.rigidbodyIndex = source.Rigidbody != null ? source.Rigidbody.handle.index : -1; shape.materialIndex = source.CollisionMaterial != null ? source.CollisionMaterial.handle.index : -1; shape.contactOffset = source.Thickness; shape.dataIndex = handle.index; world.colliderShapes[index] = shape; // update bounds: var aabb = world.colliderAabbs[index]; aabb.FromBounds(meshCollider.bounds, shape.contactOffset); world.colliderAabbs[index] = aabb; // update transform: var trfm = world.colliderTransforms[index]; trfm.FromTransform(meshCollider.transform); world.colliderTransforms[index] = trfm; return(true); }
public override void Destroy() { base.Destroy(); if (handle != null && handle.Dereference()) { ObiColliderWorld.GetInstance().DestroyTriangleMesh(handle); } }