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102 lines
2.9 KiB
Python
102 lines
2.9 KiB
Python
from PIL import Image
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from colour import Color
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import numpy as np
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import itertools as it
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import warnings
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import time
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import os
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import copy
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import progressbar
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import inspect
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from helpers import *
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from mobject import *
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from animate import *
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import displayer as disp
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class Scene(object):
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def __init__(self,
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name = None,
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frame_duration = DEFAULT_FRAME_DURATION,
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background = None,
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height = DEFAULT_HEIGHT,
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width = DEFAULT_WIDTH,):
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self.frame_duration = frame_duration
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self.frames = []
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self.mobjects = []
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if background:
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self.background = np.array(background)
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#TODO, Error checking?
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else:
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self.background = np.zeros((height, width, 3))
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self.shape = self.background.shape[:2]
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self.name = name
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def __str__(self):
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return self.name or "Babadinook" #TODO
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def add(self, *mobjects):
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"""
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Mobjects will be displayed, from background to foreground,
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in the order with which they are entered.
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"""
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for mobject in mobjects:
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#In case it's already in there, it should
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#now be closer to the foreground.
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self.remove(mobject)
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self.mobjects.append(mobject)
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def remove(self, *mobjects):
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for mobject in mobjects:
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while mobject in self.mobjects:
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self.mobjects.remove(mobject)
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def animate(self, *animations):
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#Runtime is determined by the first animation
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run_time = animations[0].run_time
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moving_mobjects = [a.mobject for a in animations]
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self.remove(*moving_mobjects)
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background = self.get_frame()
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print "Generating animations..."
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progress_bar = progressbar.ProgressBar(maxval=run_time)
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progress_bar.start()
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for t in np.arange(0, run_time, self.frame_duration):
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progress_bar.update(t)
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new_frame = background
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for anim in animations:
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anim.update(t / anim.run_time)
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new_frame = disp.paint_mobject(anim.mobject, new_frame)
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self.frames.append(new_frame)
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for anim in animations:
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anim.clean_up()
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self.add(*moving_mobjects)
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progress_bar.finish()
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def get_frame(self):
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frame = self.background
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for mob in self.mobjects:
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frame = disp.paint_mobject(mob, frame)
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return frame
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def dither(self, duration = DEFAULT_DITHER_TIME):
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self.frames += [self.get_frame()]*int(duration / self.frame_duration)
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def write_to_gif(self, name = None, end_dither_time = DEFAULT_DITHER_TIME):
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self.dither(end_dither_time)
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disp.write_to_gif(self, name or str(self))
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def write_to_movie(self, name = None, end_dither_time = DEFAULT_DITHER_TIME):
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self.dither(end_dither_time)
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disp.write_to_movie(self, name or str(self))
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