aleajactaest/khanat-opennel-code
1
0
Fork 0
mirror of https://port.numenaute.org/aleajactaest/khanat-opennel-code.git synced 2024-11-17 04:51:52 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix random thunder activation caused by rounding error in setup interpolation

Browse source 
--HG--
branch : develop
This commit is contained in:
kaetemi 2016-03-19 22:13:38 +01:00
parent 198323b9b5
commit bbec2c5b33
1 changed files with 7 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
code/nel/src/misc/bitmap.cpp
View file

@ -3106,11 +3106,17 @@ bool CBitmap::blit(const CBitmap *src, sint32 x, sint32 y)
// Private :
float CBitmap::getColorInterp (float x, float y, float colorInXY00, float colorInXY10, float colorInXY01, float colorInXY11) const
{
if (colorInXY00 == colorInXY10
&& colorInXY00 == colorInXY01
&& colorInXY00 == colorInXY11)
return colorInXY00; // Fix rounding error for alpha 255...
float res = colorInXY00*(1.0f-x)*(1.0f-y) +
colorInXY10*( x)*(1.0f-y) +
colorInXY01*(1.0f-x)*( y) +
colorInXY11*( x)*( y);
clamp (res, 0.0f, 255.0f);
clamp(res, 0.0f, 255.0f);
return res;
}