# 9A import math g.norefresh() g.antialias(0) g.paper(13) def circle(xc, yc, r, color=100): g.pen(color) for i in range(-r,r): y = int(math.sqrt(r*r-i*i)) g.pen(int(float(y)/r*color*2)) g.line(xc+i,yc+y,xc+i,yc-y) g.refresh() circle(0,0,100,37) circle(47,7,33,24) circle(3,71,19,64) circle(176,176,16,48) circle(110,103,20,29) for i in range(10): radius = 110 xc = int(radius*math.cos(math.pi*0.6*float(i)/10)) yc = int(radius*math.sin(math.pi*0.6*float(i)/10)) circle(xc,yc,9,i*10) for i in range(20): circle(int(float(i)/20*150), 177, 3, int(90*math.sin(0.4*math.pi*i))) circle(int(float(i)/20*150), 157, 3, int(90*math.cos(0.4*math.pi*i))) circle(int(float(i)/20*150), 137, 2, int(90*math.sin(0.9*math.pi*i))) g.field(140,0,150,200,74) g.field(155,0,160,150,84) g.field(0,164,138,168,77) for i in range(30): g.field(162,i*5-11,198,i*5+3,int(40+30*math.sin(0.4*math.pi*i))) for i in range(50): g.setPixel(1+3*i,193,80)