Hello,
OpenGl Relaxation.
include "ogl.inc"
window 640,480,1
int a
while key(27)=0
cls 255,255,255
for y=0 to 480 step 40
for x=0 to 640 step 40
color 0,0,255,255
fillcircle x+sin(rad(a))*40,y+cos(rad(a))*40,10
color 255,0,0,255
fillcircle x+cos(rad(a))*40,y+sin(rad(a))*40,10
color 0,200,0,255
fillcircle x+cos(rad(a))*40,y+cos(rad(a))*40,10
next
next
a +=2
if a >=360 then a=-a
redraw
wait 10
wend
winEnd
.