Mouse Speed Changer V2

#Requires AutoHotkey v2.0
#InputLevel 1
#SingleInstance Force
PID := DllCall("GetCurrentProcessId")
ProcessSetPriority "High", PID
A_HotkeyInterval := 0

NewMouseSpeeder := MouseSpeeder()

CapsLock::{
    NewMouseSpeeder.updateMouseSpeed()
}

^i::{
    NewMouseSpeeder.increaseMultiplier()
    NewMouseSpeeder.showUpdate()
}

^d::{
    NewMouseSpeeder.decreaseMultiplier()
    NewMouseSpeeder.showUpdate()
}

+CapsLock:: Reload

^CapsLock:: ExitApp

class MouseSpeeder {
    oldX := 0
    oldY := 0
    newX := 0
    newY := 0
    multiplier := 1.25

    increaseMultiplier(){
        this.multiplier := Round(this.multiplier + 0.010000, 2)
    }

    decreaseMultiplier(){
        if(this.multiplier > 1.01){
            this.multiplier := Round(this.multiplier - 0.010000, 2)
        }
    }

    showUpdate(){
        Tooltip Format("Speed: {1}", this.multiplier)
        Sleep 200
        Tooltip
    }

    updateMouseSpeed(){
        Loop {
            if (A_Index = 1){
                this.oldX := 0
                this.oldY := 0
            }
            Sleep 1
            MouseGetPos &x, &y
            this.newX := x
            this.newY := y

            CoordMode "Mouse", "Screen"
            diffX := this.newX-this.oldX
            diffY := this.newY-this.oldY
            MouseMove this.newX+(diffX*this.multiplier), this.newY+(diffY*this.multiplier)

            MouseGetPos &x, &y
            this.oldX := x
            this.oldY := y

            ;Tooltip Format("oldX: {1}, oldY: {2}`nnewX: {3}, newY: {4}", this.oldx, this.oldy, this.newX, this.newY)
        }
    }
}