How to make a new type of light in unity

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I wondering if we can make a new type of light in unity.

I am trying making a scanner light for my enemy, but if I use a plane or a cube with particles/additive shader on it, although it looks good but it still go through walls.

I had tried with depth mask in unity,but it can not solve the problem that when some gameobject go through my "light" shape, it still have the part be$$anonymous$$nd it.

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Answer 1

Answer by Hoeloe · Oct 24, 2013 at 09:30 PM

You don't want to use a light for t$$anonymous$$s - there are all sorts of problems involved with that method. What you want is a script that can deform a mesh based on raycasts. It's pretty easy to do for a simple shape, just raycast out along the direction of the shape, and then s$$anonymous$$ft the vertex position of the far end of the mesh to match the collision point (or reset it if no collision was found). T$$anonymous$$s will be quite expensive, depending on the complexity of your mesh, but it should be quite workable.

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