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Ray traces now continue through any water they hit (unless the water surface is the target)

This commit is contained in:
Jarrod Doyle 2024-11-04 18:08:54 +00:00
parent e6ca952962
commit b47a7536c4
Signed by: Jayrude
GPG Key ID: 38B57B16E7C0ADF7
1 changed files with 16 additions and 6 deletions
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22
KeepersCompound.Lightmapper/LightMapper.cs
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@ -612,13 +612,23 @@ public class LightMapper
private bool TraceRay(Vector3 origin, Vector3 target) private bool TraceRay(Vector3 origin, Vector3 target)
{ {
var direction = target - origin; var hitDistanceFromTarget = float.MinValue;
var hitResult = _scene.Trace(new Ray var hitSurfaceType = SurfaceType.Water;
while (hitDistanceFromTarget < -MathUtils.Epsilon && hitSurfaceType == SurfaceType.Water)
{ {
Origin = origin, var direction = target - origin;
Direction = Vector3.Normalize(direction), var hitResult = _scene.Trace(new Ray
}); {
return hitResult && Math.Abs(hitResult.Distance - direction.Length()) < MathUtils.Epsilon; Origin = origin,
Direction = Vector3.Normalize(direction),
});
hitDistanceFromTarget = hitResult.Distance - direction.Length();
hitSurfaceType = _triangleTypeMap[(int)hitResult.PrimId];
origin = hitResult.Position += direction * MathUtils.Epsilon;
}
return Math.Abs(hitDistanceFromTarget) < MathUtils.Epsilon;
} }
private void SetAnimLightCellMaps() private void SetAnimLightCellMaps()