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Question by astoltz68 · Feb 08, 2021 at 01:58 AM · 2dcollisionpong

2D Collisions Stop Working When Saving and ReOpening Project

I made a 2D pong game where the ball has a Bounce material and bounces off two paddles. It was working fine until I added an audio component to one of my particle systems that instantiates once a paddle is hit. I noticed when adding the audio, there was a major lag when the ball hit the paddle and so I disabled the component. After I disabled the audio component on the particle game object, the paddle for some reason goes through the paddles now. The collision is still being detected between them(since the particles still instantiate) but the ball doesn't bounce off. I was able to fix it by just copying the paddles and pasting them and deleting the old one. However, when I save and re open the project, the ball goes back to going through them. Does anyone know what this could be? Thanks!

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