zBiChord.py

from pygeo import *

v=display(scale=7)

zp1=zPoint(1,3,color=WHITE)
zp2=zFreePoint(-1,-2,color=WHITE)

zp1a=zPoint(-1,-3,color=WHITE)
zp2a=zFreePoint(1,1,color=WHITE)

zcircle1=zCircle(zp1,zp2,color=BLUE)
zcircle2=zCircle(zp1a,zp2a,color=BLUE)


zBiChord(zcircle1,zcircle2,color=RED)

v.pickloop()