主题:球(图形)
SCREEN 12
CLS
CIRCLE (200, 200), 180, 10
FOR i = .05 TO 1 STEP .1
CIRCLE (200, 200), 180, 10, , , 1 / i
CIRCLE (200, 200), 180, 10, , , i
NEXT i
CLS
CIRCLE (200, 200), 180, 10
FOR i = .05 TO 1 STEP .1
CIRCLE (200, 200), 180, 10, , , 1 / i
CIRCLE (200, 200), 180, 10, , , i
NEXT i