"""
Spiral Fraktal 5
07.02.2022
(c) Juergen Meier (www.3d-meier.de)
"""

import c4d
import random
import math


# Variablen und Konstanten
Titel = 'Spiral Fraktal 5' # Name
N = 10000000               # Anzahl Punkte
Nv = 100                   # Anzahl Punkte verwerfen
dx = 0.50                  # Breite Polygon
dy = 0.50                  # Hoehe Polygon
Faktor = 1000              # Skalierungsfaktor

k = [( 0.3, 0.3,  0,  0, -0.36, 0.7, 0.1),
     ( 0.9, 0.9, 30, 30,  0.00, 0.0, 0.9)]


def CreatePolygonObject():
    obj = c4d.BaseObject(c4d.Opolygon)
    obj.ResizeObject(4*N, N)
    obj.SetName(Titel)
  # Startwert der Berechnung
    xa = 0.5
    y = 0.5
  # Zaehler fuer Punkte setzten
    zz = 0
  # Zaehler fuer Polygone setzten
    zzz = 0
    for i in xrange(0,Nv):
        zufall = random.randint(0,100)
        if zufall < 10:           
           x =  k[0][0]*math.cos(math.radians(k[0][2]))*xa + k[0][1]*math.sin(math.radians(k[0][3]))*y + k[0][4]
           y = -k[0][0]*math.sin(math.radians(k[0][2]))*xa + k[0][1]*math.cos(math.radians(k[0][3]))*y + k[0][5]
        if zufall >= 10:
           x =  k[1][0]*math.cos(math.radians(k[1][2]))*xa + k[1][1]*math.sin(math.radians(k[1][3]))*y + k[1][4]
           y = -k[1][0]*math.sin(math.radians(k[1][2]))*xa + k[1][1]*math.cos(math.radians(k[1][3]))*y + k[1][5]    
     
        xa = x

    for i in xrange(0,N):
        zufall = random.randint(0,100)
        if zufall < 10:           
           x =  k[0][0]*math.cos(math.radians(k[0][2]))*xa + k[0][1]*math.sin(math.radians(k[0][3]))*y + k[0][4]
           y = -k[0][0]*math.sin(math.radians(k[0][2]))*xa + k[0][1]*math.cos(math.radians(k[0][3]))*y + k[0][5]
        if zufall >= 10:
           x =  k[1][0]*math.cos(math.radians(k[1][2]))*xa + k[1][1]*math.sin(math.radians(k[1][3]))*y + k[1][4]
           y = -k[1][0]*math.sin(math.radians(k[1][2]))*xa + k[1][1]*math.cos(math.radians(k[1][3]))*y + k[1][5]    

                   
        xa = x


        obj.SetPoint(zz, c4d.Vector((Faktor*x-dx/2.0),(Faktor*y+dy/2.0),0))
        zz=zz+1
        obj.SetPoint(zz, c4d.Vector((Faktor*x-dx/2.0),(Faktor*y-dy/2.0),0))
        zz=zz+1
        obj.SetPoint(zz, c4d.Vector((Faktor*x+dx/2.0),(Faktor*y+dy/2.0),0))
        zz=zz+1
        obj.SetPoint(zz, c4d.Vector((Faktor*x+dx/2.0),(Faktor*y-dy/2.0),0))
        zz=zz+1
        obj.SetPolygon(zzz, c4d.CPolygon(zz-1,zz-2,zz-4,zz-3))
        zzz=zzz+1

    obj.Message(c4d.MSG_UPDATE)
    return obj



def main():
    plyobj = CreatePolygonObject()
    doc.InsertObject(plyobj, None, None, True)

    c4d.EventAdd()



if __name__=='__main__':
    main()