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Creating Easing Operators

Explore how to build easing operators in RxJS that modify animation progress for smoother transitions. Understand percentDone and easingMap operators to control timing and acceleration, and compose these for advanced animated effects.

Easing

Now that the observable stream emits progressive values, we can run them through a converter to create different styles of transitioning between two points (also known as easing).

Each possible easing relies on an equation that answers the question, “Given that we are halfway through, where should the center be rendered?” For instance, the following starts slowly, and then accelerates to ...