def s8v(fn, data, fps, t):
"Convert frames to compressed bytes; save recording in S8V format"
t[0] = 0
vid = Video().config(size=data[0].size, frameTimes=t)
# vid.meta["frameRate"] = fps
print("Compressing...")
i = 0
for frame in data:
vid._costumes.append(PixelData(frame, True))
i += 1
if i % 50 == 0: print(i)
fps = 30
vid.removeGaps(2 * 0.3, 1 / fps).sync(fps).save(fn)
def open(self):
fn = ask(askopenfilename, filetypes=VIDEOTYPES)
if fn:
if "Video" in self: self -= self["Video"]
if self.s8v(fn):
vid = Video(fn, progress=self.progress)
else:
vid = ImageIO.decodev(fn, self.progress)
vid.originalSize = self.size = vid.size
self["Video"] = vid.config(anchor=TOPLEFT)
vid.layer = 0
self.frameRate = vid.meta.get("frameRate", 30)
self.clip = [0, len(vid) - 1]
self.caption = fn
def __init__(self, towers, speed, record):
self.towers = towers
self.disks = len(towers[0])
self.hanoi = moveDisks(towers, self.disks)
self.moves = 0
self.paused = False
if speed >= 15:
self.frameRate = speed
self.interval = 1
else:
self.interval = round(30 / speed)
self.frameRate = round(speed * self.interval)
self.update = self.interval
if record:
self.vid = Video().autoSave(record)
else:
self.vid = None
super().__init__((768, 432))
def __init__(self, towers, speed, record):
self.towers = towers
self.disks = len(towers[0])
self.hanoi = moveDisks(towers, self.disks)
self.moves = 0
self.paused = False
if speed >= 15:
self.frameRate = speed
self.interval = 1
else:
self.interval = round(30 / speed)
self.frameRate = round(speed * self.interval)
self.update = self.interval
if record:
self.vid = Video().autoSave(record)
else: self.vid = None
super().__init__((768, 432))
def play(size=(720, 480), record="", auto=4096):
sk = Game(size).config(imgFldr=resolvePath("img", __file__))
if record:
sk.capture = Video().config(interval=2).autoSave(record, auto)
sk.play("Asteroid Shield", sk.imgFldr + "/target.png")
if record: sk.capture.autoSave()
class Hanoi(Sketch):
"Animation of the Towers of Hanoi problem"
def __init__(self, towers, speed, record):
self.towers = towers
self.disks = len(towers[0])
self.hanoi = moveDisks(towers, self.disks)
self.moves = 0
self.paused = False
if speed >= 15:
self.frameRate = speed
self.interval = 1
else:
self.interval = round(30 / speed)
self.frameRate = round(speed * self.interval)
self.update = self.interval
if record:
self.vid = Video().autoSave(record)
else:
self.vid = None
super().__init__((768, 432))
def setup(self):
"Add random-color rectangles to the sketch to represent the disks"
h = min(14, max(1, self.height // self.disks - 1))
self.height = max(self.height, self.disks * (h + 1))
width = lambda i: self.width * (0.07 + 0.24 * i / (self.disks - 1))
for i in range(self.disks):
w = width(i)
img = Image((2 * w, 2 * h), False)
self += img.snapshot(weight=2).config(anchor=BOTTOM, size=(w, h))
self.setDiskPositions()
def ondraw(self):
"Move one disk at the specified frame interval"
if self.hanoi and not self.paused and self.frameCount == self.update:
try:
vid = self.vid
if vid is not None: vid += self
self.moves += 1
self.update += self.interval
printState(next(self.hanoi), self.moves)
self.setDiskPositions()
except StopIteration:
self.hanoi = None
def onquit(self, ev):
"Write unsaved frames before quitting"
self.quit = True
if self.vid: self.vid.autoSave()
def setDiskPositions(self):
"Update disk positions to match the current state of the towers"
dx = self.width / 3
x = dx / 2
for t in self.towers:
y = self.height - 1
for disk in t:
img = self[disk - 1]
img.pos = x, y
y -= img.height - 1
x += dx
def onclick(self, ev):
"Pause/Resume animation on mouse click"
if self.paused: self.update = self.frameCount + 1
self.paused = not self.paused
class Hanoi(Sketch):
"Animation of the Towers of Hanoi problem"
def __init__(self, towers, speed, record):
self.towers = towers
self.disks = len(towers[0])
self.hanoi = moveDisks(towers, self.disks)
self.moves = 0
self.paused = False
if speed >= 15:
self.frameRate = speed
self.interval = 1
else:
self.interval = round(30 / speed)
self.frameRate = round(speed * self.interval)
self.update = self.interval
if record:
self.vid = Video().autoSave(record)
else: self.vid = None
super().__init__((768, 432))
def setup(self):
"Add random-color rectangles to the sketch to represent the disks"
h = min(14, max(1, self.height // self.disks - 1))
self.height = max(self.height, self.disks * (h + 1))
width = lambda i: self.width * (0.07 + 0.24 * i / (self.disks - 1))
for i in range(self.disks):
w = width(i)
img = Image((2*w, 2*h), False)
self += img.snapshot(weight=2).config(anchor=BOTTOM, size=(w,h))
self.setDiskPositions()
def ondraw(self):
"Move one disk at the specified frame interval"
if self.hanoi and not self.paused and self.frameCount == self.update:
try:
vid = self.vid
if vid is not None: vid += self
self.moves += 1
self.update += self.interval
printState(next(self.hanoi), self.moves)
self.setDiskPositions()
except StopIteration: self.hanoi = None
def onquit(self, ev):
"Write unsaved frames before quitting"
self.quit = True
if self.vid: self.vid.autoSave()
def setDiskPositions(self):
"Update disk positions to match the current state of the towers"
dx = self.width / 3
x = dx / 2
for t in self.towers:
y = self.height - 1
for disk in t:
img = self[disk - 1]
img.pos = x, y
y -= img.height - 1
x += dx
def onclick(self, ev):
"Pause/Resume animation on mouse click"
if self.paused: self.update = self.frameCount + 1
self.paused = not self.paused