Headlight adjustment

Author: pzgulyas

Source/RunActivity/Content/SceneryShader.fx

@@ -709,7 +709,7 @@ float3 _PSGetLightVector(in int i, in float3 pointAbsolutePosition, inout float3
 		}
 		else
 		{
-			rangeAttenuation /= pow(pointLightDistance, 1.5); // The realistic range attenuation is inverse-squared.
+			rangeAttenuation /= pow(pointLightDistance, 2); // The realistic range attenuation is inverse-squared.
 			if (LightRanges[i] > 0)
 				rangeAttenuation *= clamp(1 - pow(pointLightDistance / LightRanges[i], 4), 0, 1);
 		}

Source/RunActivity/Viewer3D/RenderFrame.cs

@@ -392,10 +392,10 @@ public class RenderFrame
         static readonly Vector3 MoonGlow = new Vector3(245f / 255f, 243f / 255f, 206f / 255f);
         const float SunIntensity = 1;
         const float MoonIntensity = SunIntensity / 380000;
-        public const float HeadLightIntensity = 25000; // See some sample values: https://docs.unity3d.com/Packages/com.unity.cloud.gltfast@5.2/manual/LightUnits.html
+        public const float HeadLightIntensity = 250000; // See some sample values: https://docs.unity3d.com/Packages/com.unity.cloud.gltfast@5.2/manual/LightUnits.html
 
         const float LIGHT_INTENSITY_ADJUSTMENT_SPOT = 1f;
-        const float LIGHT_INTENSITY_ADJUSTMENT_POINT = 0.06f; // By visual inspection of PlaysetLightTest at nighttime. Probably should be 1 / 4π = 0.08
+        const float LIGHT_INTENSITY_ADJUSTMENT_POINT = 0.08f; // By visual inspection of PlaysetLightTest at nighttime. Probably should be 1 / 4π = 0.08
         const float LIGHT_INTENSITY_ADJUSTMENT_DIRECTIONAL = 1f;
 
         float LightDayNightClampTo = 1;