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Editorial Team
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Editorial Team
Asked: June 1, 20262026-06-01T10:08:31+00:00 2026-06-01T10:08:31+00:00

I’m making the skeleton for the typical BubbleShooter game in XNA, and I’m having

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I’m making the skeleton for the typical BubbleShooter game in XNA, and I’m having issues with my collision detection algorithm, which is explained in the picture here

Depending on where the colliding Rectangle position is at the moment of collision, a new position is assigned to the colliding Bubble.

The issue appears when I shoot a bubble and this happens at the moment of collision.
I have run the debug step by step, and the moment when the collision happens is exactly like the picture, so my algorithm fails.
I tried to post the images directly, but it seems I can’t since I’m still a new user here. Sorry about that.

Is there a way I can detect exactly when the boundaries of the Rectangles touch each other?

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  1. Editorial Team
    Editorial Team
    2026-06-01T10:08:33+00:00Added an answer on June 1, 2026 at 10:08 am

    You can perform a per pixel collision instead, it is explained here:

    Click here

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