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Light and video Setting
UE5 lighting beginners
Settings before starts:
Restart UE
Light sources used:
Set lights from Stationary to Dynamic, so that the result is same as what we see in the scene (static works by baked light, more advanced)
Recommended light sources to start the project:
Rect Light (as a softbox light)
HDRI Backdrop (need to enable the plugin, can be used as a background environment too, change cubemap to change landscape)
Shadow Parameters:
Except Skylight and HDRI backdrops, in other light sources: Source Radius/means size of light (Source length can make light as a tube light)
Increase light source size makes shadow softer.
Increase source angles (in directional light) also gives softer shadow.
Virtual Shadow Maps vs RayTraced Shadows:
Virtual shadow map will give too sharp shadow even it’s soft.
Hardware Ray Tracing will improve it
When using RectLight, choose enable Cast Ray Traced Shadows:
To reduce the noise on the objects illuminated on, increase the sample per pixel from 1 to 4
Use the 4 balls above as a reference to see lighting/reflection.
Base color/Albedo between 0.04 (black ball) to 0.85 (white ball),
0.18 as a middle (grey ball) for correct exposure
Metalness 1 (chrome ball) to check reflection
3 ways to Control Indirect lighting:
Increase base color/Abeldo value (towards white color) of the material of the wall/objects
Emissive Material creation:
Downside using emissive material for lighting:
light disappear when zoom out;
Night shadow created is noisy
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