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Documentation: Use these effect tools to create normal maps from sprite features such as transparency or color differences
SpriteIlluminator Alternatives and Similar Software
SpriteIlluminator: User Interface documentation
2d material with a normal map - sprite shading if defold possible? - Questions - Defold game engine forum
Using Normal and Height Maps to Light 2D art - Art Squirrel
SpriteIlluminator: User Interface documentation
2d dynamic lighting tutorial for Unity
Made 2D sprites looks like 3D using the new Unity 2D lights and Normal Map support - step by step video tutorial and guide about the 2D lighting system in comments.
SpriteIlluminator
Normal Map Sprites - Unity Forum
Normal maps on / Normal maps off : r/gamedev
Normal Mapped Lighting for 2D Sprites in Futile for Unity - SmashRiot