[JL] Angle of Close Strength

Playing Angle of Close

This indi is the cumulative sum of Angle

The Angle calculation rules:

- if 1.1 change to 1.2 than change to 1.1, the angle should be -45 degree.
- if 1.2 change to 1.1 then change to 1.2, the angle should be 45 degree.