Lighting.MainLight

Description

The scene’s dominant directional light, ideal as a shadow direction! Environment lighting keeps this derived, and the direction is always normalized. Check Mode before shading with it, since in Ambient mode this light’s energy is also inside the Ambient probe.

A black color means no light. Assignments follow the same rules as Ambient: applied as-is until the next environment lighting replaces them. Built-in shaders don’t consume this, it’s for your own shaders and effects.

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