Global $x0 = @DesktopWidth/2 ;xCoord of Center
Global $y0 = @DesktopHeight/2 ;yCoord of Center
Global $R = 150 ;Radius
Local Const $PI = 3.141592653589793
For $t=0 To (2*$PI) Step ($t+(1/$R))
Local $x = $x0 + ($R*cos($t))
Local $y = $y0 + ($R*sin($t))
MouseMove($x,$y)
Next