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Question by SolidAlloy · Mar 28, 2020 at 05:23 PM · collisionrigidbodyrigidbody2dcollision2dfreezerotation

"Freeze Position" applied to an axis affects the bounciness of the object's collider on that axis.

I'm making a simple Breakout-style game.

The ball has gravity set to 0 and bounciness equal to 1. The Rigidbody attached to the paddle is dynamic and its position is frozen on the Y axis. There is no physics material attached to the collider and rigidbody of the paddle.

The ball loses almost all its velocity after a collision with the paddle. No matter how high its speed at the start, its velocity.magnitude drops to 0.63-0.65 after the collision.

Once I unfreeze the paddle on the Y axis, everything gets back to normal.

The ball velocity before/after the collision: before-after-collision

The paddle rigidbody: paddle-rigidbody

Is this a bug? Can I do something to fix this behavior?

before-after-collision.jpg (159.5 kB)
paddle-rigidbody.png (18.6 kB)
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