Generate Mountain in Craft

mountain.py

from builder import *
from world import *
from time import sleep

def mountain(x, y, z, w, radius, height, noise):
    client = get_client()
    set_block = client.set_block
    set_blocks = client.set_blocks
    for dx in range(-radius * 2, radius * 2 + 1):
        for dz in range(-radius * 2, radius * 2 + 1):
            px, pz = float(dx) / radius, float(dz) / radius
            p = 1 / (1 + px * px + pz * pz)
            p = (p - 0.5) * 2
            p = max(0.0, p)
            p = p ** 2
            q = 1 / (1 + px * px + pz * pz)
            m = 3
            n = dll_simplex2(px * m, pz * m, 8) * noise - noise / 2.0
            ch = height * (p + n * q)
            for dy in range(40):
                by = y + ch - dy
                if by < 1:
                    continue
                set_block(x + dx, by, z + dz, w)
        print dx
        sleep(0.01)
    raw_input()

if __name__ == '__main__':
    mountain(0, 0, 0, 6, 256/4, 128/4, 0.5)