left stick to WASD, tested with 360 controller

360-stick.ahk

#Persistent
#SingleInstance Force
Send {w up}
Send {a up}
Send {s up}
Send {d up}

Deadzone := 0.6
SetTimer Wax, 5
return

Wax:
GetKeyState JoyX, JoyX
GetKeyState JoyY, JoyY
JoyX := (JoyX - 50)/50
JoyY := (JoyY - 50)/50
Angle := ATan(JoyX/JoyY)*2/3.14159
Angle := (JoyY > 0) ? Angle + 3: Angle + 1
Length := Sqrt(JoyX**2 + JoyY**2)
; 1 1 0
; 2 - 0
; 2 3 3

OldX = %HoldX%
OldY = %HoldY%

if Length > %Deadzone%
{
    if % Angle >= 1.2 && Angle < 2.7
		HoldX = a
	else if % Angle >= 3.2 || Angle < 0.7
		HoldX = d
	else
		HoldX =
	if % Angle >= 0.3 && Angle < 1.7
		HoldY = w
	else if % Angle >= 2.3 && Angle < 3.7
		HoldY = s
	else
		HoldY =
} else
{
	HoldX =
	HoldY =
}

SetKeyDelay -1
if OldX != %HoldX%
{
	if HoldX
		Send {%HoldX% down}
	if OldX
		Send {%OldX% up}
}
if OldY != %HoldY%
{
	if HoldY
		Send {%HoldY% down}
	if OldY
		Send {%OldY% up}
}
return

F10::ExitApp