ScriptReference/Mathf.SmoothDamp

[giscus[bot]]

ScriptReference/Mathf.SmoothDamp

https://docs.unity3d.com/ScriptReference/Mathf.SmoothDamp.html

[naelstrof]

Mathf.SmoothDamp will generate a NaN if Time.deltaTime is zero. Even if it's not supplied.
Best to use it within a guard if your game includes a pause feature:

void Update() {
    if (Time.deltaTime != 0f) {
        newPosition = Mathf.SmoothDamp(newPosition, oldPosition, ref velocity);
    }
}