How can I detect the amount of light from a specific source being cast onto my character?

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:bust_in_silhouette: Asked By Quadrazard

I am making a game based on SCP-001 S. D. Locke’s proposal, and in the game I need the character to take damage when they are exposed to sunlight or moonlight depending on: level of exposure, time of day, etc. I also can’t just raycast because it needs to work from windows at an angle too. Is there any way I can check for these specific lighting conditions?