minecraft_dodecahedron.py

#!/usr/bin/env python
import numpy as np
import mcpi
import mcpi.block
import mcpi.minecraft


def line(mc, v1, v2):
    v = v2 - v1
    norm = np.sqrt((v**2).sum())
    v = v / norm
    for d in np.arange(0, norm, 0.2):
        x, y, z = v1 + v * d
        mc.setBlock(x, y, z, mcpi.block.WOOL)

a = (np.sqrt(5) + 1) / 2

t = np.pi * 2 / 5
u = np.pi * 1 / 5
vertices = np.zeros((20, 3))
for i in range(5):
    vertices[i, :] = np.cos(i * t), 0, np.sin(i * t)

for i in range(5):
    vertices[i + 5, :] = a * np.cos(i * t), 1, a * np.sin(i * t)

for i in range(5):
    vertices[i + 10, :] = a * np.cos(i * t + u), a, a * np.sin(i * t + u)

for i in range(5):
    vertices[i + 15, :] = np.cos(i * t + u), 1 + a, np.sin(i * t + u)

center = np.array([0, (1 + a) / 2, 0])

vertices *= 20.

mc = mcpi.minecraft.Minecraft()
x, y, z = mc.player.getPos()
base = np.array([x + 50, y, z])
vertices += base

for i in range(5):
    j = (i + 1) % 5
    k = (i + 4) % 5
    line(mc, vertices[i, :], vertices[j, :])
    line(mc, vertices[i, :], vertices[i + 5, :])
    line(mc, vertices[i + 5, :], vertices[i + 10, :])
    line(mc, vertices[i + 5, :], vertices[k + 10, :])
    line(mc, vertices[i + 10, :], vertices[i + 15, :])
    line(mc, vertices[i + 15, :], vertices[j + 15, :])