def __call__(self, tree):
active = set()
satStep = 1.0 / self.fade
color = randomColor()
hue = color.hue
tree.fill(color)
while True:
# Increase saturation of everything that's on
deleteMe = []
for ss, ii in active:
color = tree[ss][ii].toHsv()
sat = color.sat + satStep
if sat > 1.0:
deleteMe.append((ss, ii))
else:
tree[ss][ii] = HSV(hue, sat, 1.0)
for key in deleteMe:
active.remove(key)
gc.collect()
# Add a new one
string = int(randFloat() * len(tree))
index = int(randFloat() * len(tree[string]))
key = (string, index)
if key in active:
continue
active.add(key)
tree[string][index] = HSV(hue, 0.0, 1.0)
yield
def __call__(self, tree):
active = set()
dimStep = 1.0 / self.fade
while True:
# Fade everything that's on
deleteMe = []
for ss, ii in active:
color = tree[ss][ii].toHsv()
color.dimmer(dimStep)
if color.value == 0:
deleteMe.append((ss, ii))
else:
tree[ss][ii] = color
for key in deleteMe:
active.remove(key)
gc.collect()
# Add a new one
string = int(randFloat() * len(tree))
index = int(randFloat() * len(tree[string]))
key = (string, index)
if key in active:
continue
active.add(key)
tree[string][index] = randomColor()
yield
def __call__(self, tree):
index = 0
while True:
tree.down()
tree[index]["TOP"] = randomColor()
index += 1
if index >= len(tree):
index = 0
yield
def __call__(self, tree):
while True:
tree.set("TOP", randomColor().toRgb())
yield
for _ in range(tree.length - 1):
tree.down()
yield
for _ in range(tree.length - 1):
tree.up()
yield
def __call__(self, tree):
while True:
color = randomColor()
for _ in range(self.num):
for ii in range(tree.length - 1):
tree.set(ii, color)
tree.set(tree.length - 1 - ii, color)
yield
tree.set(ii, BLACK)
tree.set(tree.length - 1 - ii, BLACK)
def __call__(self, tree):
while True:
tree.fill(BLACK)
color = randomColor().toRgb()
for ring in range(tree.length):
for ii in range(tree.length - ring - 1):
tree.set(tree.length - 1 - ii, color)
yield
tree.set(tree.length - 1 - ii, BLACK)
tree.set(ring, color)
yield
for ring in range(tree.length):
for ii in range(1, ring + 1):
tree.set(ring - ii, color)
yield
tree.set(ring - ii, BLACK)
def __call__(self, tree):
numStrings = len(tree)
length = tree.length
trailEnd = 2 * self.length
probThreshold = 1.0 / numStrings
location = np.ones(numStrings, dtype=int) * length # Location of trail
colors = [None] * numStrings # Color of trail
while True:
tree.down()
location += 1
for ii, string in enumerate(tree):
if location[ii] <= self.length:
# Propagate a trail
string["TOP"] = colors[ii]
elif location[ii] > trailEnd and randFloat() < probThreshold:
# Start a trail
location[ii] = 0
colors[ii] = randomColor()
yield
def __call__(self, tree):
num = sum(len(ss) for ss in tree)
indices = np.zeros((num, 2), dtype=int)
start = 0
for ii in range(len(tree)):
length = len(tree[ii])
ss = slice(start, start + length)
indices[ss, 0] = ii
indices[ss, 1] = np.arange(length)
start += length
while True:
tree.clear()
order = sorted([(randFloat(), ii) for ii in range(num)])
for _, ii in order:
ss, tt = indices[ii]
tree[ss][tt] = randomColor()
yield
for _, ii in order:
ss, tt = indices[ii]
tree[ss][tt] = BLACK
yield
def __call__(self, tree):
while True:
tree.down()
for string in tree:
string["TOP"] = randomColor()
yield