Question by 
               Gushuman · Jun 10, 2020 at 11:26 AM · 
                collider2d2d-physicscollision2d  
              
 
              2D collision box penetration problem
2D collision box penetration problem
Figure: Make a 2D billiard game
I set both rigid bodies to continuous detection, and the result was that the collision box penetration would still occur when the object stopped moving, which was my 2D physical property setting alt text 
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