Azer, I have found that approachcircle is same size as hitcircleoverlay which is uncorrect. It cause the perfect hit to be when approachcircle overlap with hitcircle. Maybe its purpose to be like this. Also they are not perfectly overlapping nor touching.
Pls make note that I colored the circles in photoshop to make them just more visible.
how does it look like:

how it should be correctly:

Pls make note that I colored the circles in photoshop to make them just more visible.
how does it look like:
how it should be correctly: