[Opensim-users] llCastRay and object shapes
Gwyneth Llewelyn
gwyneth.llewelyn at gwynethllewelyn.net
Tue Feb 25 16:37:14 UTC 2014
Hi Handy,
Just for the sake of completeness, did you test with ODE or BulletSim? I believe the implementation might be slightly different (or, then again, it's just my not-so-precise testing).
Thanks,
- Gwyn
On 25/02/2014, at 16:09, Handy Low wrote:
> Currently it seems that the OpenSim implementation of llCastRay() gives
> coordinates on a target object that lie on the bounding box of the object
> rather than on the face of the prim itself.
>
> For example, casting a ray at a pair of linked cubes in OpenSim will generate
> coordinates that lie on the cuboid bounding box that constrains both cubes.
> Likewise, casting a ray at a sphere will generate a point on the sphere's
> cubic bounding box.
>
> In SL, the same tests will both return points on the prim surfaces.
>
> Is this expected behaviour?
>
> Thanks
>
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