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By Design

Votes

0

Found in

4.3.0b5

Issue ID

568676

Regression

No

Circle collider keeps rolling despite friction 2d material

Physics2D

-

To reproduce:
1. Open attached project
2. Run scene 5
3. Notice that both circle colliders don't stop rolling despite materials with friction

By design:
The circle and the box rigid-bodies are perfect rigid-bodies and the circle/box has an extremely small contact area resulting in a tiny tangential friction force which offers little resistance when the circle is rolling. If the circle was rotating against the surface it contacts then the friction would be much higher and you can easily see this when a circle collider with high friction lands against a surface.

A typically way to solve this is to use angular drag (angular air friction) or linear drag (linear air friction) to slow rolling bodies.
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Comments (1)

  1. cbanklee12

    Aug 18, 2020 22:52

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