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