A AHK script to move the mouse continuously to the right. Will stop when end of screen reached. Shift + L to start or restart. Shift + ESC to quit.

mouse-move-continuously-to-right.ahk

#Requires AutoHotkey v2.0

CoordMode "Mouse", "Screen"

; Settings
moveSpeed := 5       ; Time in ms between movements
stepSize := 2        ; Pixels per step

; Global state
moving := true
hasReachedEnd := false

; Shift+L toggles pause/start/reset
+l::ToggleOrResetMovement()

; Shift+Escape quits script
+Esc::ExitApp()

ToggleOrResetMovement()
{
    global moving, hasReachedEnd, moveSpeed

    if (moving)
    {
        ; Pause movement
        moving := false
        SetTimer MoveMouse, 0
        ToolTip "Mouse movement paused", 10, 10
    }
    else
    {
        ; Reset and start movement from beginning
        hasReachedEnd := false
        MouseMove 0, A_ScreenHeight / 2, 0
        moving := true
        SetTimer MoveMouse, moveSpeed
        ToolTip "Mouse movement restarted", 10, 10
    }
    SetTimer () => ToolTip(), -2000
}

MoveMouse()
{
    global stepSize, moving, hasReachedEnd

    if (!moving || hasReachedEnd)
        return

    MouseGetPos &x, &y
    x += stepSize

    if (x >= A_ScreenWidth)
    {
        x := A_ScreenWidth
        hasReachedEnd := true
        moving := false
        SetTimer MoveMouse, 0
        ToolTip "Mouse reached end and stopped", 10, 10
        SetTimer () => ToolTip(), -2000
        return
    }

    MouseMove x, y, 0
}

; Start timer initially
SetTimer MoveMouse, moveSpeed