Thank you for your answer,
I modified the angles by 22.5 as you advised me and I can see an improvement. The 4 directions already present still work and the directions up to the right and down to the right work.
But I have a problem with the directions up to the left and down to the left with the debug page I could see that it doesn't even modify the animation so I guess it doesn't happen not able to detect the angles that I gave it for these two directions.
I tried other values but nothing worked, am I wrong somewhere? here the capture