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Fixed in 2020.1

Votes

4

Found in

5.2.0f3

Issue ID

725365

Regression

No

[WheelCollider] Suspension generates negative forces on high damper values

Physics

-

Repro steps:

1) Create a new project and import the package I attached
2) Open scene Negative suspension force
3) Run and notice the telemetry data in the Game view
4) Press Enter to give force to the object
5) Notice that F(Which shows WheelHit.force data) becomes negative for a short time
6) Pressing R restarts the position and pressing T enters slowmotion so you can see it a little bit better
7) By changing Vehicle - Huge Damper -> WheelColliders child component Damper value to a lower will stop generating negative force

  1. Response avatar

    Resolution Note (fix version 2020.1):

    Fixed in 2020.1.0a15, requires suspensionExpansionLimited be set to true on WheelCollider

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