Function update

update(
    state: Spring<vec2.Vec2>,
    target: vec2.Vec2,
    smoothTime: number,
    dampingRatio: number,
    delta: number,
): Spring<vec2.Vec2>
Springs state.value toward target, mutating state in place. Returns it.
Parameters
- state: Spring<vec2.Vec2>
- target: vec2.Vec2
- smoothTime: number
- dampingRatio: number
  1 = critically damped (no overshoot), <1 bouncy, >1 sluggish
- delta: number
Returns Spring<vec2.Vec2>
- Defined in time/spring2.ts:14