graphics 800,600,32,1
setbuffer backbuffer()
const AngleStep# = .1
global Radius# = 100
global X# = graphicswidth()*.5
global Y# = graphicsheight()*.5
for Angle# = 0 to 360-AngleStep step AngleStep
plot X + Radius * cos( Angle), Y + Radius * sin( Angle )
next
flip
mousewait