from piscript.PiModule import *

init("pythagoras", 50, 50)

import math

beginpage()
center()
translate(-8.5,-7)
scale(4.2)
a = 3.0
b = 4.0
c = math.sqrt(a*a + b*b)
newpath()
moveto(0, 0)
rlineto(b, 0)
rlineto(0,-b)
rlineto(-b,0)
closepath()
fill(0, 1, 0)
stroke()

gsave()
newpath()
moveto(0, 0)
rlineto(0, a)
rlineto(-a, 0)
rlineto(0,-a)
closepath()
fill(1, 0, 0)
stroke()
grestore()

gsave
newpath()
translate(b,0)
rotate(math.atan(-a/b))
moveto(0, 0)
rlineto(-c, 0)
rlineto(0,c)
rlineto(c,0)
closepath()
fill(0, 0, 1)
stroke()
grestore()

endpage()
flush()