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Question by dorpeleg · Apr 21, 2014 at 12:16 PM · collisionanimatorrigidbody2danimator controller

OnCollision2D stopped working

Hello everyone,

I have a weird issue with OnCollision2D.

I've setup my player with a 2D collider, I've also setup the ground he is walking on with a 2D collider.

The player also has a 2D rigidbody on it, the ground does not.

The player script (attached to the player) has 2 OnCollision2D methods, OnCollisionStay2D and OnCollisionExit2D.

The player also has an animator that animates its sprite.

At that point, everything is working fine, both OnCollision2D methods are being called.

Then, I added another animation to the character.

In that animation, I'm also animating the colliders (changing their shape and size).

As soon as I added this new animation, both of the OnCollision2D methods stopped working, even before I'm calling the new animation.

If I disable the Animator component on the player, then the methods are working again.

Any ideas?

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avatar image xortrox · Apr 21, 2014 at 01:50 PM 0
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Could be that you modified the z position of the sprite somehow, any screenshots you could provide?

avatar image dorpeleg · Apr 21, 2014 at 03:07 PM 0
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I've checked, I'm not modifying the position anywhere in all of my animations.

Is there anything specific you want to see? I think I explained it pretty well.

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Answer by Jonesy19 · Apr 23, 2014 at 06:07 PM

I have run into strange issues with 2d colliders and found that they are very flaky unless they both have rigid bodies. I never figured out why, but if you put a rigid body on the ground, does it work? I'm not sure if that fixes your problem, as I'm sure you have a reason for not putting a rigid body on it, but at the very least it could give you some more information as to what's happening.

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avatar image dorpeleg · Apr 23, 2014 at 08:11 PM 0
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Adding a rigidbody does not help.

And like I said, it was working perfectly one moment and then stopped working....

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