Ray Sensor for Switch light
I research in Smart Home Project, belongs to Blender Game Engine. But, I don't understand in Blender Game Engine for switch the light part, why do we need the "ray sensor"? What does ray sensor do for? Could someone help me explain this?
It can be used to detect objects within a specified range (and given material or property) along one axis. Check out the docs: https://docs.blender.org/manual/en/latest/game_engine/logic/sensors/types/ray.html
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