Mesh collider to make one way colliders.

Question

Hello, I am making an endless runner game where platforms are randomly created and a runner runs on them. I want the runner to only collide with the upper side of the platforms and pass through the rest sides(left and right). I was told that mesh colliders will work but I dont know how to use them. Can anyone point me in the right direction please? Thanks in advance

Answer 1

Answer by Loius · Jul 02, 2014 at 08:49 PM

Just use a plane. You can only collide with a plane if you're moving towards its surface normal.

^

Lay the plane flat (on X/Z) and point it up (visible side pointing along +Y) and it should be close to what you're expecting.

If you have issues with side collision with that set up, you can disable your player's collider w$$anonymous$$le they're moving upwards and enable it once they are moving downwards and not intersecting anyt$$anonymous$$ng.

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Mesh collider to make one way colliders.

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