How to make scroll animation pie timer on scroll?

Question

css

In general, there is such a pie timer, how can I change its radius by scrolling? Does anyone have any examples?
codepen.io/WinterJoey/pen/ZWbBEV

Answer 1

scrollmagic.io is great for this. Example with svg scrollmagic.io/examples/advanced/svg_drawing.html . In Russian, you can read here ScrollMagic - Creating animation when scrolling the page