forked from inconvergent/differential-line
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main_line_ani.py
executable file
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main_line_ani.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
from numpy import pi, cos, sin
from numpy.random import random, seed
from numpy import zeros, linspace
from modules.growth import spawn, spawn_curl
NMAX = 10**7
SIZE = 1000
ONE = 1./SIZE
PROCS = 2
INIT_NUM = 6
STP = ONE*0.1
NEARL = 4*ONE
FARL = 120*ONE
MID = 0.5
LINEWIDTH = 5.*ONE
BACK = [1,1,1,1]
FRONT = [0,0,0,0.1]
TWOPI = pi*2.
ZONEWIDTH = 2.*FARL/ONE
NZ = int(SIZE/ZONEWIDTH)
print 'NZ', NZ
print 'ZONEWIDTH', ZONEWIDTH
i = 0
np_coords = zeros(shape=(NMAX,4), dtype='float')
np_vert_coords = zeros(shape=(NMAX,2), dtype='float')
def main():
import gtk
from time import time
from render.render import Animate
from modules.helpers import print_stats
from differentialLine import DifferentialLine
from modules.show import sandstroke
from modules.show import dots
from modules.show import show
DF = DifferentialLine(NMAX, NZ, NEARL, FARL, PROCS)
## arc
#angles = sorted(random(INIT_NUM)*pi*1.5)
#xys = []
#for a in angles:
#x = 0.5 + cos(a)*0.06
#y = 0.5 + sin(a)*0.06
#xys.append((x,y))
## vertical line
#xx = sorted(0.45+0.1*random(INIT_NUM))
#yy = MID+0.005*(0.5-random(INIT_NUM))
#xys = []
#for x,y in zip(xx,yy):
#xys.append((x,y))
## diagonal line
#yy = sorted(0.2+0.6*random(INIT_NUM))
#xx = 0.2+linspace(0,0.6,num=INIT_NUM)
#xys = []
#for x,y in zip(xx,yy):
#xys.append((x,y))
#DF.init_line_segment(xys, lock_edges=1)
angles = sorted(random(INIT_NUM)*TWOPI)
DF.init_circle_segment(MID,MID,FARL*0.2, angles)
def steps(df):
global i
df.optimize_avoid(STP)
spawn_curl(df, NEARL)
def wrap(steps_itt, render):
global i
global np_coords
global np_vert_coords
fn = None
t1 = time()
steps(DF)
#coord_num = DF.np_get_edges_coordinates(np_coords)
##fn = './res/ani{:04d}.png'.format(i)
#sandstroke(render,np_coords[:coord_num,:],10,fn)
#if i%2==0:
#fn = './res/ani{:04d}.png'.format(i)
#else:
#fn=None
render.set_front(FRONT)
vert_num = DF.np_get_vert_coordinates(np_vert_coords)
dots(render,np_vert_coords[:vert_num,:],fn)
#render.set_front([0,0.8,0.8,0.05])
#coord_num = DF.np_get_edges_coordinates(np_coords)
#sandstroke(render,np_coords[:coord_num,:],8,None)
#coord_num = DF.np_get_edges_coordinates(np_coords)
#show(render,np_coords[:coord_num,:],clear=True)
if i%10==0:
coord_num = DF.np_get_edges_coordinates(np_coords)
sandstroke(render,np_coords[:coord_num,:],8,None)
t2 = time()
print_stats(render.steps, t2-t1, DF)
i += 1
return True
render = Animate(SIZE, BACK, FRONT, None, wrap)
gtk.main()
if __name__ == '__main__':
main()