Revision: 17454
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=17454
Author: broken
Date: 2008-11-14 07:01:06 +0100 (Fri, 14 Nov 2008)
Log Message:
-----------
Volume rendering:
* Use a slightly better (but still not exact) approximation for the view
vector when pre-shading the light cache. This still doesn't give exactly the
same results as non-light-cache shading, but it's better. Will investigate
getting a better view vector when there's more time - or if anyone has a
simple formula to derive shi->view from shi->co that would be great to
hear about too :)
Modified Paths:
--------------
branches/sim_physics/source/blender/render/intern/source/volumetric.c
Modified: branches/sim_physics/source/blender/render/intern/source/volumetric.c
===================================================================
--- branches/sim_physics/source/blender/render/intern/source/volumetric.c
2008-11-14 04:07:47 UTC (rev 17453)
+++ branches/sim_physics/source/blender/render/intern/source/volumetric.c
2008-11-14 06:01:06 UTC (rev 17454)
@@ -984,7 +984,7 @@
for (z=0; z < res; z++) {
co[2] = bbmin[2] + (voxel[2] * z);
-
+
time= PIL_check_seconds_timer();
i++;
@@ -1012,6 +1012,9 @@
obi->volume_precache[2*res_3 + x*res_2
+ y*res + z] = -1.0f;
continue;
}
+
+ VECCOPY(shi.view, co);
+ Normalize(shi.view);
density = vol_get_density(&shi, co);
vol_get_scattering(&shi, scatter_col, co,
stepsize, density);
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