zdoom/gzdoom-gles
0
0
Fork 0
mirror of https://github.com/ZDoom/gzdoom-gles.git synced 2024-11-10 23:01:59 +00:00
Code Issues Projects Releases Packages Wiki Activity

- Fix sprite spot light calculation

Browse source
This commit is contained in:
Magnus Norddahl 2018-01-04 19:42:52 +01:00
parent bae3620540
commit 79440d7014
1 changed files with 5 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/gl/scene/gl_spritelight.cpp
View file

@ -107,11 +107,12 @@ void gl_SetDynSpriteLight(AActor *self, float x, float y, float z, subsector_t *
if (light->IsSpot()) if (light->IsSpot())
{ {
L *= -1.0f / dist;
DAngle negPitch = -light->Angles.Pitch; DAngle negPitch = -light->Angles.Pitch;
double xzLen = negPitch.Cos(); double xyLen = negPitch.Cos();
double spotDirX = -light->Angles.Yaw.Cos() * xzLen; double spotDirX = -light->Angles.Yaw.Cos() * xyLen;
double spotDirY = -negPitch.Sin(); double spotDirY = -light->Angles.Yaw.Sin() * xyLen;
double spotDirZ = -light->Angles.Yaw.Sin() * xzLen; double spotDirZ = -negPitch.Sin();
double cosDir = L.X * spotDirX + L.Y * spotDirY + L.Z * spotDirZ; double cosDir = L.X * spotDirX + L.Y * spotDirY + L.Z * spotDirZ;
frac *= (float)smoothstep(light->SpotOuterAngle.Cos(), light->SpotInnerAngle.Cos(), cosDir); frac *= (float)smoothstep(light->SpotOuterAngle.Cos(), light->SpotInnerAngle.Cos(), cosDir);
} }