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Use a faster way to find the closest light probe

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Fix light probe not being applied to psprite
This commit is contained in:
Magnus Norddahl 2021-10-14 05:43:35 +02:00
commit 764a08752f
8 changed files with 103 additions and 28 deletions
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24
src/g_level.cpp
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@ -2282,27 +2282,3 @@ void FLevelLocals::SetMusic()
{
S_ChangeMusic(Music, musicorder);
}
void FLevelLocals::GetLightProbeLight(float x, float y, float z, float* out)
{
out[0] = out[1] = out[2] = 0.f;
// To do: Pretty stupid algorithm. Use something better once we confirmed this looks alright.
float lastdist = 0.0f;
for (unsigned int i = 0; i < LightProbes.Size(); i++)
{
const LightProbe& probe = LightProbes[i];
float dx = probe.X - x;
float dy = probe.Y - y;
float dz = probe.Z - z;
float dist = dx * dx + dy * dy + dz * dz;
if (i == 0 || dist < lastdist)
{
out[0] = probe.Red;
out[1] = probe.Green;
out[2] = probe.Blue;
lastdist = dist;
}
}
}