import pymel.core as pm
import random

win_width = 150

length = 4
width = 4

def random_size():

	ranList = []
	while len(ranList) < 3:
		x = random.randint(6,15)
		y = abs(random.gauss(30,50))
		z = random.randint(1,30)

		if len(ranList) == 0:
			ranList.append(x)

		if 2 < y / ranList[0] and y / ranList[0] < 20:
			if len(ranList) == 1:
				ranList.append(y)

		if 0.5 < z / ranList[0] and z / ranList[0] < 2:
			if len(ranList) == 2:
				ranList.append(z)

		# if len(ranList) == 3:
		# 	break
	print ranList
	return ranList


def create_plane():
	plane = pm.nurbsPlane(ch=1, d=3, patchesV=length, p=(0, 0, 0), patchesU=width, w=120, ax=(0, 1, 0), lr=1)
	return plane

def create_hair():

	pm.mel.createHair(length, width, 10, 0, 0, 0, 0, 5, 0, 2, 1, 1);

	for i in range(1, length * width * 2, 2):

		pm.delete('curve' + str(i))

	pm.delete('nucleus1', 'hairSystem1', 'hairSystem1OutputCurves');

	hairs = pm.ls('hairSystem1Follicles', dag = True)[1::2]

	return hairs

def create_one_building(ranList, i, buildingGrp):


	building = pm.polyCube(d= ranList[0], h= ranList[1], w= ranList[2])

	pm.move(0,ranList[1]/2,0)

#snap building to hair with pointConstraint
	michael = pm.pointConstraint(i, building[0], skip='y')

	pm.delete(michael)

	pm.parent(building[0], buildingGrp)

def create():

	buildingGrp = pm.group(name = 'buildingGrp')

	plane = create_plane()
	hairs = create_hair()

	for current_hair in hairs:

		ranList = random_size()

		print ranList

		create_one_building(ranList, current_hair, buildingGrp)

		pm.parent(plane[0], buildingGrp)

	pm.delete('hairSystem1Follicles')
	pm.select(cl = True)