sketch-a-day/s285_order/node.py

70 wiersze
2.6 KiB
Python

class Node():
nodes = []
grid = dict()
ver = set()
def __init__(self, x, y, z):
self.ix = x
self.iy = y
self.iz = z
self.x = Node.border + Node.spacing / 2 + x * Node.spacing - width / 2
self.y = Node.border + Node.spacing / 2 + y * Node.spacing - width / 2
self.z = Node.border + Node.spacing / 2 + z * Node.spacing - width / 2
self.size_ = 1
self.cor = None
self.nb = {0 : False, # |* left
1 : False, # *| right
2 : False, # - top
3 : False, # _ bottom
4 : False,
5 : False,
}
self.borders = []
def plot(self):
""" draws node """
if self.cor:
noFill() #stroke(0)
stroke(self.cor)
with pushMatrix():
translate(0, 0, self.z)
#rect(0, 0, Node.spacing * self.size_, Node.spacing * self.size_)
self.draw_borders()
def draw_borders(self):
if self.borders:
for x1, y1, x2, y2 in self.borders:
line(x1, y1, x2, y2)
def update_nbs(self):
nb0 = Node.grid.get((self.ix-1, self.iy, self.iz))
self.nb[0] = True if nb0 and nb0.cor else False
nb1 = Node.grid.get((self.ix+1, self.iy, self.iz))
self.nb[1] = True if nb1 and nb1.cor else False
nb2 = Node.grid.get((self.ix, self.iy-1, self.iz))
self.nb[2] = True if nb2 and nb2.cor else False
nb3 = Node.grid.get((self.ix, self.iy+1, self.iz))
self.nb[3] = True if nb3 and nb3.cor else False
nb4 = Node.grid.get((self.ix, self.iy, self.iz-1))
self.nb[4] = True if nb4 and nb4.cor else False
nb5 = Node.grid.get((self.ix, self.iy, self.iz+1))
self.nb[5] = True if nb5 and nb5.cor else False
b = self.borders
w = h = Node.spacing * self.size_
tlX, tlY = self.x - w/2, self.y - h/2
trX, trY = self.x + w/2, self.y - h/2
blX, blY = self.x - w/2, self.y + h/2
brX, brY = self.x + w/2, self.y + h/2
if not self.nb[0]: b.append((tlX, tlY, blX, blY))
if not self.nb[1]: b.append((trX, trY, brX, brY))
if not self.nb[2]: b.append((tlX, tlY, trX, trY))
if not self.nb[3]: b.append((blX, blY, brX, brY))
for x1, y1, x2, y2 in self.borders:
Node.ver.append(((x1, y1, self.z, self.iz),
(x2, y2, self.z, self.iz)))