claude_code/procedural-3d-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix circular/modulo arithmetic (Refs #93)

Browse source
This commit is contained in:
saschawillems 2017-04-16 10:40:26 +02:00
parent 1912101fe8
commit 8fbfb7c22b
1 changed files with 2 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

12
sphericalenvmapping/sphericalenvmapping.cpp
View file

@ -450,17 +450,9 @@ public:
#endif #endif
} }
void changeMatCapIndex(uint32_t delta) void changeMatCapIndex(int32_t delta)
{ {
uboVS.texIndex += delta; uboVS.texIndex = (uboVS.texIndex + delta + textures.matCapArray.layerCount) % textures.matCapArray.layerCount;
if (uboVS.texIndex < 0)
{
uboVS.texIndex = textures.matCapArray.layerCount-1;
}
if (uboVS.texIndex >= textures.matCapArray.layerCount)
{
uboVS.texIndex = 0;
}
updateUniformBuffers(); updateUniformBuffers();
} }