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Fix a texture data indexing bug in AmbientOcclusion
author
Mikko Rasa
<tdb@tdb.fi>
Thu, 30 May 2019 10:54:42 +0000
(13:54 +0300)
committer
Mikko Rasa
<tdb@tdb.fi>
Thu, 30 May 2019 10:54:42 +0000
(13:54 +0300)
source/ambientocclusion.cpp
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diff --git
a/source/ambientocclusion.cpp
b/source/ambientocclusion.cpp
index 2378bcc78cb323e21439b01c601c8f5590a4ab3c..49d712543ccff582f5fd7a5f064e05c25e8d4264 100644
(file)
--- a/
source/ambientocclusion.cpp
+++ b/
source/ambientocclusion.cpp
@@
-29,10
+29,10
@@
AmbientOcclusion::AmbientOcclusion(unsigned w, unsigned h, float):
Geometry::Angle<float> a = Geometry::Angle<float>::from_turns(random(seed));
unsigned char c = (cos(a)*0.5f+0.5f)*255;
unsigned char s = (sin(a)*0.5f+0.5f)*255;
- data[i*
3
] = c;
- data[i*
3
+1] = s;
- data[i*
3
+2] = 255-s;
- data[i*
3+4
] = ((i+i/4)%2)*255;
+ data[i*
4
] = c;
+ data[i*
4
+1] = s;
+ data[i*
4
+2] = 255-s;
+ data[i*
4+3
] = ((i+i/4)%2)*255;
}
rotate_lookup.image(0, RGBA, UNSIGNED_BYTE, data);