Help Pendulum (swinging) style oscillator.
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about Oscillator (Animation)

• Oscillator, Oscillator (Animation Advanced), Damper (Animation) all share the same mathematical concept. They only differ in flexibility, parameters and their defaults.

• They all behave like a spring in some medium with a certain energy and damping through the density of the medium. So an Oscillator is also a Damper (Animation) and vice versa. Better: They all are "damped oscillators".

• In Oscillator and Damper (Animation) the parameterization goes over Filtertime and CyclesPerSecond, since Energy and Damping are not so intuitive.

• A Damper (Animation) is an "damped oscillator" with CyclesPerSecond=0. So the oscillating is disabled by that. You can get the same behaviour with an oscillator by setting that pin to 0.