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Question by jagguy · Jun 04, 2012 at 12:58 AM · collision

OnCollisionEnter only detects once

This code works as it detects collision between a cube a floor and a Wall. The problem is the cube I drop (like this video), is that I only detect the collsiion once with the wall and floor, even though the cube bounces around many times on the floor. Why is this?

http://www.unity3dstudent.com/2010/07/beginner-b01-basic-collision-detection/

void OnCollisionEnter(Collision collision) {

     if (collision.gameObject.name=="Floor")
     {
         Debug.Log("Hit Floor");
     }
     if (collision.gameObject.name=="Wall")
     {
         Debug.Log("Hit wall");
     }
     
 }
  
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avatar image Eric5h5 · Jun 04, 2012 at 01:04 AM 2
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Did you turn off "collapse" in the console?

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Answer by Berenger · Jun 04, 2012 at 01:02 AM

For the collision to be detected again, the cube must leave the floor completely. If it just slide, then it doesn't enter again. Make sure the cube bounces high enough.

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avatar image jagguy · Jun 04, 2012 at 01:09 AM 0
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Yes it does bouce high enough , it just doesnt register in the console but if I look at the Editor log and see the S$$anonymous$$S trace I get multiple detections here.

Why is this happening as it works fine in S$$anonymous$$S trace but not in console?

avatar image jagguy · Jun 04, 2012 at 01:14 AM 1
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aaarrggghh I had collapse selected and not clear on play. my mistake again.

avatar image Jessy · Jun 04, 2012 at 01:20 AM 0
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Write an answer, and mark this answered.

avatar image Datael · Jun 04, 2012 at 01:47 AM 0
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@jagguy Haha that's caught me out so many times

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Answer by jagguy · Jun 04, 2012 at 03:17 AM

aaarrggghh I had collapse selected and not clear on play. my mistake again.

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