rem Matrix terrain: make the grid - OpenDBC tutorial (DarkBASIC Classic)
sync on : sync rate 60
autocam off
color backdrop rgb(170, 200, 230)

make matrix 1, 1000, 1000, 25, 25
position matrix 1, -500, 0, -500

do
   a = wrapvalue(a + 0.5)
   position camera sin(a) * 700, 300, cos(a) * 700
   point camera 0, 0, 0
   sync
loop