Sorry for the kind of revival of the thread.
If the game calculates the dispersion in an arc, does it means the position of the target to you has a relevant outcome?, i know basically all aiming is in a straight line but is there a better change of hitting if aiming in an XY axis (meaning up/down left/right of the window screen) than on a diagonal?
No the direction doesn’t matter at all, just the distance.
Most things are handled on a grid, but accuracy calculations for ranged combat ignore that for precisely this reason.
It is worth noting that diagonal distances are further when circular distances are enabled. The exact details, however, I do not recall. 1.5 sounds right but I could be wrong.
square root of 2, so roughly 1.4