import rhinoscriptsyntax as rs
import Rhino.Geometry as rg
import BLOCK_Library as blk
import random as r

objects = rs.ObjectsByLayer("Default")
rs.DeleteObjects(objects)
rs.EnableRedraw(False)

canvas_size = 100
canvas_dim = [canvas_size, canvas_size, canvas_size]
iterations = 20000
max_size = 20
legos = []

canvas = blk.Grid(canvas_dim)
canvas.draw_boundary()


for i in range(iterations):
    x = r.randint(0,canvas_size - max_size)
    y = r.randint(0,canvas_size - max_size)
    z = r.randint(0,canvas_size - max_size)
    point = rg.Point3d(x, y, z)
    
    l = r.randint(1,max_size)
    w = r.randint(1,max_size)
    h = r.randint(1,max_size)
    dim = [l, w, h]
    
    lego = blk.Block(point, dim)
    
    collision = canvas.check_collision(lego)
    if collision == False:
        canvas.add_block(lego)
        legos.append(lego)
        lego.draw()

canvas.calculate_density()
print "Number of blocks:", len(legos)
print "Positive space:", canvas.block_count
print "Negative space:", canvas_size**3 - canvas.block_count
print round((canvas.block_count*100)/(canvas_size**3)), "%"