def main():
import sys, traceback
from fn import Fn
from sand import Sand
from modules.helpers import get_colors
sand = Sand(SIZE)
sand.set_bg(BG)
sand.set_rgba(FRONT)
colors = get_colors('../colors/dark_cyan_white_black2.gif')
nc = len(colors)
fn = Fn(prefix='./res/', postfix='.png')
si = spline_iterator()
while True:
try:
itt, w, xy = next(si)
rgba = colors[w%nc] + [0.0005]
sand.set_rgba(rgba)
sand.paint_dots(xy)
if not itt%(40000):
print(itt)
sand.write_to_png(fn.name(), GAMMA)
except Exception as e:
print(e)
sand.write_to_png(fn.name(), GAMMA)
traceback.print_exc(file=sys.stdout)
def main():
import sys, traceback
from fn import Fn
from sand import Sand
from modules.helpers import get_colors
sand = Sand(SIZE)
sand.set_bg(BG)
sand.set_rgba(FRONT)
colors = get_colors('../colors/dark_cyan_white_black2.gif')
nc = len(colors)
fn = Fn(prefix='./res/', postfix='.png')
si = spline_iterator()
while True:
try:
itt, w, xy = next(si)
rgba = colors[w % nc] + [0.0005]
sand.set_rgba(rgba)
sand.paint_dots(xy)
if not itt % (40000):
print(itt)
sand.write_to_png(fn.name(), GAMMA)
except Exception as e:
print(e)
sand.write_to_png(fn.name(), GAMMA)
traceback.print_exc(file=sys.stdout)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--4-int-colour-list', nargs='+', type=int)
import sys, traceback
from fn import Fn
from sand import Sand
rgba_list = parser.parse_args()._get_args()
sand = Sand(SIZE)
sand.set_bg(BG)
sand.set_rgba(rgba_list)
fn = Fn(prefix='./res/', postfix='.png')
si = spline_iterator()
while True:
try:
itt, xy = next(si)
sand.paint_dots(xy)
if not itt % (5000 * GRID_Y):
print(itt)
sand.write_to_png(fn.name(), GAMMA)
except Exception as e:
print(e)
sand.write_to_png(fn.name(), GAMMA)
traceback.print_exc(file=sys.stdout)
def main():
from modules.boids import B
from sand import Sand
from fn import Fn
fn = Fn(prefix='./res/', postfix='.png')
sand = Sand(SIZE)
sand.set_bg(BACK)
sand.set_rgba(FRONT)
b = B(INIT_NUM, SIZE, STP)
for itt in range(1000000):
b.step(separation=SEPARATION, cohesion=COHESION, alignment=ALIGNMENT)
xy = b.xy
for i, nearby in enumerate(b.get_nearby()):
if not nearby:
continue
start = zeros((len(nearby), 2))
start[:, 0] = xy[i, 0]
start[:, 1] = xy[i, 1]
stop = xy[nearby, :]
g = GRAINS * ones(len(nearby), 'int')
sand.paint_strokes(start, stop, g)
if not itt % DRAW_ITT:
name = fn.name()
print(itt, name)
sand.write_to_png(name)
def main():
from modules.fracture import Fracture
from numpy.random import random
from numpy import linspace
from iutils.random import darts_rect
from time import time
from numpy.random import seed
from sand import Sand
from fn import Fn
fn = Fn(prefix='./res/')
sand = Sand(SIZE)
sand.set_bg(BACK)
sand.set_rgba(FRONT)
seed(1)
start = time()
initial_sources = darts_rect(
SOURCES,
0.5, 0.5,
1.0-2.0*EDGE, 1.0-2.0*EDGE,
FRAC_STP
)
F = Fracture(
FRAC_DOT,
FRAC_DST,
FRAC_STP,
initial_sources=initial_sources,
zone_leap=ZONE_LEAP,
nmax=NMAX
)
for _ in range(INIT_FRACS):
F.blow(1, EDGE+random((1, 2))*(1.0-2.0*EDGE))
while True:
res = F.step()
F.frac_front(factor=SPAWN_FACTOR, angle=SPAWN_ANGLE, dbg=DBG)
if not F.itt % ITT or not res:
print('itt', F.itt, 'num', F.num, 'fnum', F.fnum, 'anum', F.anum, 'time', time()-start)
if not res:
print('done')
break
show(sand, F)
name = fn.name()+'.png'
print(name)
sand.write_to_png(name)
def main():
sand = Sand(SIZE)
sand.set_bg(BG)
sand.set_rgba(FRONT)
fn = Fn(prefix='./res/', postfix='.png')
for index, spline in enumerate(spline_iterator()):
sand.paint_dots(spline)
if not index % SIZE:
print('Iteration {}'.format(index))
sand.write_to_png(fn.name(), GAMMA)
def main():
from sand import Sand
from fn import Fn
sand = Sand(SIZE)
sand.set_bg(BACK)
sand.set_rgba(FRONT)
fn = Fn(prefix='./res/', postfix='.png')
run(sand)
name = fn.name()
sand.write_to_png(name, GAMMA)
def main():
from sand import Sand
size = 1000
s = Sand(size)
s.set_bg(BACK)
t = time()
aa = random((1000000,2))
aa[:,0]*=0.5
bb = random((1000000,2))
bb[:,1]*=0.5
cc = random((1000000,2))*0.5
cc[:,0] += 0.1
s.paint_dots(aa, GREEN)
s.paint_dots(bb, BLUE)
s.paint_dots(cc, RED)
s.write_to_png('./out.png')
t1 = time()-t
print('time', t1)
from iutils.render import Render
render = Render(size, BACK, FRONT)
t = time()
render.set_front(GREEN)
for x,y in aa:
render.dot(x,y)
render.set_front(BLUE)
for x,y in bb:
render.dot(x,y)
render.set_front(RED)
for x,y in cc:
render.dot(x,y)
render.write_to_png('./out2.png')
t2 = time()-t
print('time2', t2)
print('speedup', t2/t1)
def main():
from sand import Sand
from fn import Fn
from iutils.ioOBJ import export_2d as export
sand = Sand(SIZE)
sand.set_bg(BACK)
sand.set_rgba(FRONT)
fn = Fn(prefix='./res/')
vertices, lines = write(sand)
name = fn.name()
sand.write_to_png(name + '.png', GAMMA)
export('glyphs', name + '.2obj', verts=vertices, lines=lines)
def main():
import sys, traceback
from fn import Fn
from sand import Sand
from modules.helpers import get_colors
sand = Sand(SIZE)
sand.set_bg(BG)
sand.set_rgba(FRONT)
colors = get_colors('colors/dark_cyan_white_black.gif')
nc = len(colors)
fn = Fn(prefix='./res/', postfix='.png')
si = spline_iterator()
while True:
try:
itt, w, xy = next(si)
rgba = colors[w%nc] + [0.005]
sand.set_rgba(rgba)
sand.paint_dots(xy)
if not itt%(50):
print("ci:"+str(itt))
if not itt%(5000):
if os.path.isfile("./res/dump1.png"):
print("printing to dump2:"+str(itt))
sand.write_to_png("./res/dump2.png", GAMMA)
os.remove("./res/dump1.png")
else:
print("printing to dump1:"+str(itt))
sand.write_to_png("./res/dump1.png", GAMMA)
if os.path.isfile("./res/dump2.png"):
os.remove("./res/dump2.png")
except Exception as e:
print(e)
sand.write_to_png("./res/current.png", GAMMA)
traceback.print_exc(file=sys.stdout)
def main():
import sys, traceback
from fn import Fn
from sand import Sand
sand = Sand(SIZE)
sand.set_bg(BG)
sand.set_rgba(FRONT)
fn = Fn(prefix='./res/', postfix='.png')
si = spline_iterator()
while True:
try:
itt, xy = next(si)
sand.paint_dots(xy)
if not itt % (500 * GRID_Y):
print(itt)
sand.write_to_png("./res/currenrt.png", GAMMA)
except Exception as e:
print(e)
sand.write_to_png(fn.name(), GAMMA)
traceback.print_exc(file=sys.stdout)
def main():
import sys, traceback
from fn import Fn
from sand import Sand
sand = Sand(SIZE)
sand.set_bg(BG)
sand.set_rgba(FRONT)
fn = Fn(prefix='./res/', postfix='.png')
si = spline_iterator()
while True:
try:
itt, xy = next(si)
sand.paint_dots(xy)
if not itt%(500*GRID_Y):
print(itt)
sand.write_to_png(fn.name(), GAMMA)
except Exception as e:
print(e)
sand.write_to_png(fn.name(), GAMMA)
traceback.print_exc(file=sys.stdout)
def random_dots():
size = 1000
num = 10000000
s = Sand(size)
s.set_bg(BACK)
aa = random((num,2))
aa[:,0]*=0.5
bb = random((num,2))
bb[:,1]*=0.5
cc = random((num,2))*0.5
cc[:,0] += 0.1
s.set_rgba(GREEN)
s.paint_dots(aa)
s.set_rgba(RED)
s.paint_dots(bb)
s.set_rgba(BLUE)
s.paint_dots(cc)
s.write_to_png('./out_random.png')
def random_dots():
size = 1000
num = 10000000
s = Sand(size)
s.set_bg(BACK)
aa = random((num, 2))
aa[:, 0] *= 0.5
bb = random((num, 2))
bb[:, 1] *= 0.5
cc = random((num, 2)) * 0.5
cc[:, 0] += 0.1
s.set_rgba(GREEN)
s.paint_dots(aa)
s.set_rgba(RED)
s.paint_dots(bb)
s.set_rgba(BLUE)
s.paint_dots(cc)
s.write_to_png('./out_random.png')
def main():
from fn import Fn
from modules.differentialLattice import DifferentialLattice
from modules.helpers import get_colors
from modules.helpers import spawn_circle
from numpy import array
from numpy import cumsum
from numpy import sqrt
from numpy import linspace
from numpy import sort
from numpy import ones
from numpy.random import random
from numpy.random import seed
from sand import Sand
from numpy import pi
from numpy import sin
from numpy import cos
TWOPI = pi*2.0
fn = Fn(prefix='./res/')
size = 512
one = 1.0/size
threads = 512
zone_leap = 512
grains = 20
init_num = 20
stp = one*0.03
spring_stp = 5
reject_stp = 0.1
cohesion_stp = 1.0
max_capacity = 30
node_rad = 4*one
spring_reject_rad = node_rad*1.9
spring_attract_rad = node_rad*2.0
outer_influence_rad = 10.0*node_rad
link_ignore_rad = 0.5*outer_influence_rad
colors = get_colors('../colors/black_t.gif')
# colors = get_colors('../colors/ir.jpg')
nc = len(colors)
sand = Sand(size)
sand.set_bg(BACK)
sand.set_rgba(FRONT)
DL = DifferentialLattice(
size,
stp,
spring_stp,
reject_stp,
cohesion_stp,
max_capacity,
node_rad,
spring_reject_rad,
spring_attract_rad,
outer_influence_rad,
link_ignore_rad,
threads=threads,
zone_leap=zone_leap,
nmax=50000000
)
spawn_circle(DL, init_num, xy=array([[0.5, 0.5]]), dst=node_rad*0.8, rad=0.01)
itt = 0
while True:
itt += 1
DL.step()
DL.spawn(ratio=0.1, age=1000)
if not itt%20:
print(('itt', DL.itt, 'num', DL.num))
vertices, edges = DL.link_export()
# sand.set_rgba(FRONT)
# sand.paint_strokes(
# vertices[edges[:,0],:].astype('double'),
# vertices[edges[:,1],:].astype('double'),
# grains
# )
# sand.paint_circles(
# vertices.astype('double'),
# random(len(vertices))*one*4.0,
# grains
# )
# for k,(a,b) in enumerate(edges):
# w = a*nc+b
# rgba = colors[w%nc]+[0.001]
# sand.set_rgba(rgba)
# sand.paint_strokes(
# vertices[a:a+1,:].astype('double'),
# vertices[b:b+1,:].astype('double'),
# grains
# )
n = 20
for k, (x, y) in enumerate(vertices):
rgba = colors[k%nc]+[0.0005]
sand.set_rgba(rgba)
o = ones((n, 2), 'float')
o[:,0] *= x
o[:,1] *= y
r = (1.0-2.0*random(n))*4*one
sand.paint_filled_circles(
o,
r,
grains
)
if not itt%5:
# vertices, edges = DL.link_export()
# n = 1000
# sand.set_bg(BACK)
# seed(1)
# for k, (x, y) in enumerate(vertices):
# rgba = colors[k%nc]+[0.005]
# sand.set_rgba(rgba)
# o = ones((n, 2), 'float')
# o[:,0] *= x
# o[:,1] *= y
# r = random()*one*3+cumsum(random(n)*random()*10)*one*0.002
# # r = sqrt(linspace(2.0, 10.0, n))*one
# # r = ones(n, 'float')*one*
# sand.paint_circles(
# o,
# r,
# grains
# )
name = fn.name() + '.png'
print(name)
sand.write_to_png(name, 2)
