def cercle(pix,cx,cy,r,color):
hAvant=round((r**2-(r)**2)**(1/2)+cy)
l=[]
for x in range(cx-r,cx+r+1):
hMaintenant=round((r**2-(x-cx)**2)**(1/2)+cy)
for y in range(min(hAvant,hMaintenant),max(hAvant,hMaintenant)+1):
l.append([x,y])
hAvant=hMaintenant
l=l+reflexion(l,cy)
for elem in l:
pix[elem[0],511-round(elem[1])]=color
def disque(pix,cx,cy,r,color):
hAvant=round((r**2-(r)**2)**(1/2)+cy)
l=[]
for x in range(cx-r,cx+r+1):
hMaintenant=round((r**2-(x-cx)**2)**(1/2)+cy)
for y in range(min(hAvant,hMaintenant),max(hAvant,hMaintenant)+1):
l.append([x,y])
hAvant=hMaintenant
l=l+reflexion(l,cy)
for elem in l:
x=elem[0]
y=511-round(elem[1])
pix[x,y]=color
if x<cx:
debut=x
fin=x+(cx-x)*2
for i in range(debut,fin+1):pix[i,y]=color
