diff options
author | Matt Ebb <matt@mke3.net> | 2008-10-13 09:22:31 +0400 |
---|---|---|
committer | Matt Ebb <matt@mke3.net> | 2008-10-13 09:22:31 +0400 |
commit | d6808c2b4b9d53f5481e96d4041e67b20f1d56f0 (patch) | |
tree | e6b753203124e3f52bdc1dd859ee5d320dc3b2eb /source/blender/render/intern/include | |
parent | c0ddd5fd4914f7876cdf36225566d795e415bbf1 (diff) |
* Raytraced shadow casting for volumes
This is a first version and still has a couple of things undefined or
unimplemented, such as external objects casting shadows on or within volumes,
however volume->solid shadows are going ok.
http://mke3.net/blender/devel/rendering/volumetrics/shadows_test_02.mov
http://mke3.net/blender/devel/rendering/volumetrics/vol_test_shad3.blend
As with other transparent raytraced shadows in Blender ,in order to make it work,
you must enable 'TraShad' on the material *receiving* the shadow. It would be
nice to make this a bit easier to use, since there's not much chance you want a
volume material to be casting solid shadows, but that's a bigger issue in the
renderer outside this scope.
The volume shadows are working from the same physical basis of absorption, and
support coloured absorption:
http://mke3.net/blender/devel/rendering/volumetrics/vol_shad_absorption.png
They also work properly with multi-sampled (i.e. QMC) soft shadows:
http://mke3.net/blender/devel/rendering/volumetrics/vol_shad_sharp.png
http://mke3.net/blender/devel/rendering/volumetrics/vol_shad_soft.png
And by popular request the test file:
http://mke3.net/blender/devel/rendering/volumetrics/vol_test_shad_clouds.blend
Diffstat (limited to 'source/blender/render/intern/include')
-rw-r--r-- | source/blender/render/intern/include/pointdensity.h | 1 | ||||
-rw-r--r-- | source/blender/render/intern/include/rendercore.h | 2 | ||||
-rw-r--r-- | source/blender/render/intern/include/volumetric.h | 3 |
3 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/render/intern/include/pointdensity.h b/source/blender/render/intern/include/pointdensity.h index 9c21cc0c253..93cdef3b14e 100644 --- a/source/blender/render/intern/include/pointdensity.h +++ b/source/blender/render/intern/include/pointdensity.h @@ -37,6 +37,7 @@ struct Render; struct TexResult; void make_pointdensities(struct Render *re); +void free_pointdensities(struct Render *re); int pointdensitytex(struct Tex *tex, float *texvec, struct TexResult *texres); #endif /* POINTDENSITY_H */ diff --git a/source/blender/render/intern/include/rendercore.h b/source/blender/render/intern/include/rendercore.h index 4b28529a147..972071764d2 100644 --- a/source/blender/render/intern/include/rendercore.h +++ b/source/blender/render/intern/include/rendercore.h @@ -48,6 +48,7 @@ struct RenderPart; struct RenderLayer; struct ObjectRen; struct ListBase; +struct Isect; /* ------------------------------------------------------------------------- */ @@ -98,6 +99,7 @@ extern void makeraytree(Render *re); extern void ray_shadow(ShadeInput *, LampRen *, float *); extern void ray_trace(ShadeInput *, ShadeResult *); +extern void ray_trace_shadow_tra(struct Isect *is, int depth, int traflag); extern void ray_ao(ShadeInput *, float *); extern void init_jitter_plane(LampRen *lar); extern void init_ao_sphere(struct World *wrld); diff --git a/source/blender/render/intern/include/volumetric.h b/source/blender/render/intern/include/volumetric.h index 8db3fa63f98..290be427f01 100644 --- a/source/blender/render/intern/include/volumetric.h +++ b/source/blender/render/intern/include/volumetric.h @@ -26,4 +26,5 @@ * ***** END GPL LICENSE BLOCK ***** */ -void volume_trace(struct ShadeInput *shi, struct ShadeResult *shr);
\ No newline at end of file +void volume_trace(struct ShadeInput *shi, struct ShadeResult *shr); +void volume_trace_shadow(struct ShadeInput *shi, struct ShadeResult *shr, struct Isect *last_is);
\ No newline at end of file |