ポリゴン用のクラスを作ってみる

ポリゴンの数を増やしてみました。
謎のグルグルができました。

import pygame
import math
import copy

pygame.init()
window_size = (640, 480)
clock = pygame.time.Clock()
screen = pygame.display.set_mode(window_size)
print (pygame.ver)

class PolyDat:
    def __init__(self,co):
        self.xyz4 = [(0,0,0),(100,0,0),(100,100,0),(0,100,0)]
        self.wk4=[]
        self.co=co#(255,255,0)
        self.xy4=[]
        self.sn = 0
    def __lt__(self, other):
        return self.sn > other.sn
    def draw(self,screen):
        pygame.draw.polygon(screen, self.co, self.xy4)
    def conv3d2d(self):
        del self.xy4[:]
        for i in range(len(self.wk4)):
            x,y,z=self.wk4[i]
            self.xy4.append(self.conv(x,y,z))
    def conv(self,x,y,z):
        d=200
        rx=x*d/(d+z)+320
        ry=y*d/(d+z)+240
        return (rx,ry)
    def turn(self,ct,st):
        for i in range(len(self.wk4)):
            x,y,z=self.wk4[i]
            rx=x*ct-y*st		    
            ry=x*st+y*ct
            self.wk4[i]=(rx,ry,z)		
    def shift(self,sx,sy,sz):
        for i in range(len(self.wk4)):
            x,y,z=self.wk4[i]
            self.wk4[i]=(x+sx,y+sy,z+sz)
    def size(self,sx,sy,sz):
        for i in range(len(self.wk4)):
            x,y,z=self.wk4[i]
            self.wk4[i]=(x*sx,y*sy,z*sz)
    def toWk(self):
        self.wk4=copy.deepcopy(self.xyz4)
    def backWk(self):
        self.xyz4=copy.deepcopy(self.wk4)

def dataset():
    for i in range(10000):
        p.append(PolyDat((255,200,60)))
    for i in range(10000):
        p[i].toWk()
        p[i].size(0.5,0.5,0.5)
        p[i].shift(1000,0,i+1000)

        p[i].turn(math.cos(i/10),math.sin(i/10))
        p[i].conv3d2d()

p=[]		
def main():
    dataset()
    bg_color = (0, 0, 0)
    end_game = False
    while not end_game:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                end_game = True
        screen.fill(bg_color)
        for i in range(len(p)):
            p[i].draw(screen)
            p[i].size(1.1,1.1,1.1)
            p[i].turn(math.cos(0.01),math.sin(0.01))
            p[i].conv3d2d()
        pygame.display.flip()
        clock.tick(5)
    pygame.quit()
    quit()

main()

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