def spline_iterator():
from modules.sandSpline import SandSpline
splines = []
for _ in range(5): # number of circles
guide = f(0.5, 0.5) # centre
pnum = randint(DISTORTLOW, DISTORTHIGH) #weighted equally
pnum = math.floor(
abs(random() - random()) * (1 + DISTORTHIGH - DISTORTLOW) +
DISTORTLOW) #weighted to low end
a = random() * TWOPI + linspace(0, TWOPI, pnum)
# a = linspace(0, TWOPI, pnum)
modifier = (
(random() * (RANDEND - RANDSTART)) + RANDSTART) #path radius
path = column_stack((cos(a), sin(a))) * modifier
scale = arange(pnum).astype('float') * STP
s = SandSpline(guide, path, INUM, scale)
splines.append(s)
itt = 0
while True:
for w, s in enumerate(splines):
xy = next(s)
itt += 1
yield itt, w, xy
def spline_iterator():
from modules.sandSpline import SandSpline
splines = []
for x in linspace(EDGE, 1.0-EDGE, GRID_X):
for y in linspace(EDGE, 1.0-EDGE, GRID_Y):
guide = f(x,y)
pnum = randint(10,150)
a = random()*TWOPI + linspace(0, TWOPI, pnum)
path = column_stack((cos(a), sin(a))) * LEAP_Y
scale = arange(pnum).astype('float')*STP
s = SandSpline(
guide,
path,
INUM,
scale
)
splines.append(s)
itt = 0
while True:
for w, s in enumerate(splines):
xy = next(s)
itt += 1
yield itt, w, xy
def __init__(self, n, back, front, params):
Render.__init__(self, n, front, back)
# scale down canvas so random drift doesn't get clipped
self.scale(0.6)
numSplines = params['numSplines']
sectionCount = params['sectionCount']
noiseScale = params['noiseScale']
noiseDetail = params['noiseDetail']
density = params['density']
radius = params['radius']
decayRadius = params['decayRadius']
radiusDecay = params['radiusDecay']
# computed
self.alpha = n * 0.000005 * (1.0 + random() * 0.1)
# self.alpha = n * 0.00003 * (1.0+random()*0.1)
# if self.alpha < 0.05:
# self.alpha = 0.08
# if self.alpha < 0.03:
self.alpha = 0.055
print('===========')
print("spline count: " + str(numSplines))
print("section count: " + str(sectionCount))
print("noise: " + str(noiseScale))
print("detail: " + str(noiseDetail))
print("alpha: " + str(self.alpha))
print("radiusDecay: " + str(radiusDecay))
# load up sampler
self.sampler = self.get_colors_from_file('img/check.png')
# create splines
self.splines = []
for i in range(numSplines):
self.splines.append(
SandSpline(sectionCount, radius, noiseScale, noiseDetail,
density))
if decayRadius:
radius -= radiusDecay
def spline_iterator():
from modules.sandSpline import SandSpline
splines = []
guide = f()
pnum = randint(4, 100)
px = zeros(pnum, 'float')
py = linspace(EDGE, 1.0 - EDGE, pnum)
path = column_stack([px, py])
scale = arange(pnum).astype('float') * STP
s = SandSpline(guide, path, INUM, scale)
splines.append(s)
itt = 0
while True:
for w, s in enumerate(splines):
xy = next(s)
itt += 1
yield itt, w, xy
def spline_iterator():
from modules.sandSpline import SandSpline
splines = []
for _ in range(30):
guide = f(0.5, 0.5)
pnum = randint(15, 100)
a = random() * TWOPI + linspace(0, TWOPI, pnum)
# a = linspace(0, TWOPI, pnum)
path = column_stack((cos(a), sin(a))) * (0.1 + random() * 0.4)
scale = arange(pnum).astype('float') * STP
s = SandSpline(guide, path, INUM, scale)
splines.append(s)
itt = 0
while True:
for w, s in enumerate(splines):
xy = next(s)
itt += 1
yield itt, w, xy
def spline_iterator():
from modules.sandSpline import SandSpline
splines = []
for i, y in enumerate(linspace(EDGE, 1.0 - EDGE, GRID_Y)):
pnum = 4 + i
guide = f(0.5, y)
## hlines
x = linspace(-1, 1.0, pnum) * (1.0 - 2 * EDGE) * 0.5
y = zeros(pnum, 'float')
path = column_stack([x, y])
scale = arange(pnum).astype('float') * STP
s = SandSpline(guide, path, INUM, scale)
splines.append(s)
itt = 0
while True:
for s in splines:
xy = next(s)
itt += 1
yield itt, xy