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#
# Code under the MIT license by Alexander Pruss
#
#
# Draw Borromean rings
#
from mc import *
def ball(x0,y0,z0,r,block_type,done):
for x in range(-r,r):
for y in range(-r,r):
for z in range(-r,r):
if (x**2 + y**2 + z**2 <= r**2):
if not (x0+x,y0+y,z0+z) in done:
mc.setBlock(x0+x,y0+y,z0+z,block_type)
done.add((x0+x,y0+y,z0+z))
mc = Minecraft()
playerPos = mc.player.getPos()
scale = 30
r = sqrt(3)/3
x0 = int(playerPos.x)
y0 = int(playerPos.y + 4 + (r/2+1) * scale)
z0 = int(playerPos.z)
# parametrization by I.J.McGee
done = set()
t = 0
while t < 2*pi:
x = x0+int( scale * cos(t) )
y = y0+int( scale * ( sin(t) + r) )
z = z0+int( scale * - cos(3*t)/3 )
ball(x,y,z,4,GOLD_BLOCK,done)
t += 2*pi / 10000
done = set()
t = 0
while t < 2*pi:
x = x0+int( scale * (cos(t) + 0.5) )
y = y0+int( scale * ( sin(t) - r/2) )
z = z0+int( scale * - cos(3*t)/3 )
ball(x,y,z,4,LAPIS_LAZULI_BLOCK,done)
t += 2*pi / 10000
done = set()
t = 0
while t < 2*pi:
x = x0+int( scale * ( cos(t) - 0.5 ) )
y = y0+int( scale * ( sin(t) - r/2) )
z = z0+int( scale * - cos(3*t)/3 )
ball(x,y,z,4,DIAMOND_BLOCK,done)
t += 2*pi / 10000
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