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- make the closest sample still decide the distance

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Magnus Norddahl 2018-11-03 00:25:42 +01:00
parent 664be1eca5
commit a034992280
1 changed files with 8 additions and 4 deletions
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12
src/lightmap/lightsurface.cpp
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@ -269,7 +269,10 @@ float kexLightSurface::TraceSurface(FLevel *doomMap, kexTrace &trace, const surf
normal = kexVec3::vecUp;
}
float gzdoomRadiusScale = 2.0f; // 2.0 because gzdoom's dynlights do this and we want them to match
float total = 0.0f;
float closestDistance = distance * gzdoomRadiusScale;
for (unsigned int i = 0; i < origins.Length(); ++i)
{
kexVec3 center = origins[i];
@ -310,10 +313,11 @@ float kexLightSurface::TraceSurface(FLevel *doomMap, kexTrace &trace, const surf
}
float d = origin.Distance(center);
attenuation *= 1.0f - d / (distance * 2.0f); // 2.0 because gzdoom's dynlights do this and we want them to match
if (attenuation > 0.0f)
total += attenuation;
if (d < closestDistance)
closestDistance = d;
total += attenuation;
}
return total / origins.Length();
float attenuation = 1.0f - closestDistance / (distance * gzdoomRadiusScale);
return attenuation * total / origins.Length();
}