Tracer un cercle de centre O, de rayon R, d’épaisseur e.
from kandinsky import * from math import * def cercle(x0,y0,r,c,e): for i in range(2*e): xd=x0-int((r-i*0.5)/sqrt(2)) xf=x0+int((r-i*0.5)/sqrt(2)) for x in range(xd,xf+1): x1=x y1=y0+int(sqrt((r-i*0.5)**2-(x-x0)**2)) set_pixel(x,y1,c) for j in range(3): x2=x0+y1-y0 y2=y0+x0-x1 set_pixel(x2,y2,c) x1,y1=x2,y2 def cercle_plein(x0,y0,r,c1,e,c2): cercle(x0,y0,r,c1,e) cercle(x0,y0,r-e,c2,r-e) #draw_string('e='+str(e),x0-15,y0-7) def cercle_grade(x0,y0,R,c1,e,c2): for i in range(R): r=c1[0]+i*(c2[0]-c1[0])//R g=c1[1]+i*(c2[1]-c1[1])//R b=c1[2]+i*(c2[2]-c1[2])//R cercle(x0,y0,i,color(r,g,b),1) cExt=[210,255,212] cInt=[139,68,66] cint=color(255,255,0)#ivoire cbor=color(0,0,0) #chatain #cercle_plein(160,111,50,cbor,10,cint) cercle_grade(160,111,50,cExt,10,cInt)