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# init(response:dampingRatio:)

Creates a spring with the specified response and damping ratio.

```
init(response: Double, dampingRatio: Double)
```

## Parameters

`response`

Defines the stiffness of the spring as an approximate
duration in seconds.

`dampingRatio`

Defines the amount of drag applied as a fraction the
amount needed to produce critical damping.

---

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