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Question by user-11088 (google) · Apr 03, 2011 at 04:14 PM · javascriptphysics

Triggers not getting detected properly

I have 2 triggers and a platform moving between them. the script is working for the most part except for one odd error. the platform wont detect the triggers unless it touches them from above. the platform moves up by default and when touching the trigger above it should go down however it just keeps going up. if i force it to go down and it touches the trigger it just passed it changes back to moving up as i told it to. anyone know why the triggers only get detected from below?

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Answer by KeithK · Apr 03, 2011 at 04:21 PM

On the assumption that you are using Mesh Colliders for your triggers, you will have to make them Convex in the inspector for them to pick up collisions from the front and back.

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avatar image user-11088 (google) · Apr 03, 2011 at 04:36 PM 0
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yes i am using mesh colliders. and how do i make them convex?

avatar image KeithK · Apr 03, 2011 at 04:46 PM 0
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Select your triggers in the Unity Editor. In the Inspector window under the component "$$anonymous$$esh Collider", check the box next to "Convex".

avatar image user-11088 (google) · Apr 03, 2011 at 06:33 PM 0
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ok i figured out the convex part but it didnt fix it. it still doesnt detect if it hits the triggers from below

avatar image KeithK · Apr 03, 2011 at 07:00 PM 0
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Your platform, is it also using a $$anonymous$$esh Collider? Have you tried setting it to Convex as well?

avatar image user-11088 (google) · Apr 05, 2011 at 08:41 AM 0
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the platform had a box collider but i tried with a convex mesh but still nothing

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