[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [30757] trunk/blender/source/blender/ render/intern/source/texture.c: Fix #22749: texture view mapping for spot lamps wasn't doing perspective

[Brecht Van Lommel]

Forgot to mention, bug tracked down and fixed by Aurel W, I'm just
committing the patch.

On Mon, Jul 26, 2010 at 4:46 PM, Brecht Van Lommel <brecht at blender.org> wrote:
> Revision: 30757
>          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=30757
> Author:   blendix
> Date:     2010-07-26 16:46:16 +0200 (Mon, 26 Jul 2010)
>
> Log Message:
> -----------
> Fix #22749: texture view mapping for spot lamps wasn't doing perspective
> division, giving incorrect projection.
>
> Modified Paths:
> --------------
>    trunk/blender/source/blender/render/intern/source/texture.c
>
> Modified: trunk/blender/source/blender/render/intern/source/texture.c
> ===================================================================
> --- trunk/blender/source/blender/render/intern/source/texture.c 2010-07-26 14:14:25 UTC (rev 30756)
> +++ trunk/blender/source/blender/render/intern/source/texture.c 2010-07-26 14:46:16 UTC (rev 30757)
> @@ -2881,6 +2881,9 @@
>                                if(la->type==LA_SPOT) {
>                                        tempvec[0]*= la->spottexfac;
>                                        tempvec[1]*= la->spottexfac;
> +                    /* project from 3d to 2d */
> +                                       tempvec[0] /= -tempvec[2];
> +                                       tempvec[1] /= -tempvec[2];
>                                }
>                                co= tempvec;
>
>
>
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