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from mc import *
import sys
from ast import literal_eval
def parseBlock(s):
try:
return literal_eval(s)
except:
return globals()[s.upper()]
def egg(block=GOLD_BLOCK, h=40, a=2.5, b=1, c=0.1):
for y in range(0,h+1):
l = y / float(h)
# Formula from: http://www.jolyon.co.uk/myresearch/image-analysis/egg-shape-modelling/
r = h*a*exp((-0.5*l*l+c*l-.5*c*c)/(b*b))*sqrt(1-l)*sqrt(l)/(pi*b)
r2 = r*r
for x in range(-h,h+1):
for z in range(-h,h+1):
myr2 = x*x + z*z
if myr2 <= r2:
if x==0 and z==0:
theta = 0
else:
theta = atan2(z,x)
yield (x,y,z,block,theta)
mc = Minecraft()
if len(sys.argv) >= 2:
height = int(sys.argv[1])
else:
height = 50
if len(sys.argv) >= 3:
material = parseBlock(sys.argv[2])
else:
material = GOLD_BLOCK
pos = mc.player.getPos()
for (x,y,z,block,theta) in egg(h=height,block=material):
mc.setBlock(x+pos.x,y+pos.y,z+pos.z,block)
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