Excuse me, Layer.openCornerAtNode_ offset_(node, 100) What does the parameter 100 mean

Excuse me, Layer.openCornerAtNode_ offset_(node, 100) What does the parameter 100 mean?I know it’s offset, but what’s the specific principle? Does it refer to angle or distance?

Distance in units. Try it with different values, and you’ll see.

I know it is a distance, and I want to know how to define it so that I can calculate the distance of the line segment I want to control translation

It is the size of the opened corner. The triangular overlap. It does not change the look of the shape or move a segment.