shadows in unity free version

iv been googling for a while now and I just want to double check to see if im not missing anything. it says there are not any dynamic shadows in unity free. But cant it stop light from going through a wall thats not going to move? the walls are simple boxes with cast shadows and recieve shadows set to true.

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You can set the light distance smartly / dynamically, so it does not go past walls.

Thats the same even for other engines (look at HL2 for example).

Shadows just hide this by compensating for the light.

thanks i never thought of that, i guess it would work but i still thought it would be built in

As Unity has no occlusion culling (only objects that are not in the camera frustum at all are occluded), there isn’t much to do for Unity. It basically does not know that the wall is static, its just another game object in the scene.

ok, thanks for your help