192 lines
3.8 KiB
Python
192 lines
3.8 KiB
Python
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"""
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This module provides `Sprites` to create animation effects with Paths. For more details see
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http://asciimatics.readthedocs.io/en/latest/animation.html
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"""
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from __future__ import division
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from __future__ import absolute_import
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from __future__ import print_function
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from __future__ import unicode_literals
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from asciimatics.effects import Sprite
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from asciimatics.renderers import StaticRenderer
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import random
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# Images for Sam-ple sprite.
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from asciimatics.screen import Screen
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sam_default = [
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"""
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______
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.` `.
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/ - - \\
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| __ |
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| |
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\\ /
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'.______.'
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""",
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"""
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______
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.` `.
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/ o o \\
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| __ |
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| |
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\\ /
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'.______.'
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"""
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]
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sam_left = """
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______
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.` `.
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/ o \\
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|-- |
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\\ /
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'.______.'
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"""
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sam_right = """
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______
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.` `.
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/ o \\
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| --|
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\\ /
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'.______.'
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"""
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sam_down = """
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______
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.` `.
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/ \\
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| ^ ^ |
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\\ __ /
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'.______.'
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"""
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sam_up = """
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______
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.` __ `.
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/ v v \\
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\\ /
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'.______.'
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"""
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# Images for an arrow Sprite.
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left_arrow = """
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/____
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/
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\\ ____
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\\
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"""
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up_arrow = """
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/\\
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/ \\
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/| |\\
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"""
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right_arrow = """
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____\\
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\\
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____ /
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/
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"""
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down_arrow = """
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\\| |/
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\\ /
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\\/
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"""
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default_arrow = [
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"""
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/\\
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/ \\
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/|><|\\
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""",
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"""
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/\\
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/ \\
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/|oo|\\
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""",
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]
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# Simple static function to swap between 2 images to make a sprite blink.
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def _blink():
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if random.random() > 0.9:
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return 0
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else:
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return 1
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class Sam(Sprite):
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"""
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Sam Paul sprite - an simple sample animated character.
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"""
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def __init__(self, screen, path, start_frame=0, stop_frame=0):
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"""
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See :py:obj:`.Sprite` for details.
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"""
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super(Sam, self).__init__(
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screen,
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renderer_dict={
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"default": StaticRenderer(images=sam_default, animation=_blink),
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"left": StaticRenderer(images=[sam_left]),
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"right": StaticRenderer(images=[sam_right]),
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"down": StaticRenderer(images=[sam_down]),
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"up": StaticRenderer(images=[sam_up]),
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},
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path=path,
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start_frame=start_frame,
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stop_frame=stop_frame)
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class Arrow(Sprite):
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"""
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Sample arrow sprite - points where it is going.
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"""
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def __init__(self, screen, path, colour=Screen.COLOUR_WHITE, start_frame=0,
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stop_frame=0):
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"""
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See :py:obj:`.Sprite` for details.
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"""
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super(Arrow, self).__init__(
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screen,
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renderer_dict={
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"default": StaticRenderer(images=default_arrow,
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animation=_blink),
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"left": StaticRenderer(images=[left_arrow]),
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"right": StaticRenderer(images=[right_arrow]),
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"down": StaticRenderer(images=[down_arrow]),
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"up": StaticRenderer(images=[up_arrow]),
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},
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path=path,
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colour=colour,
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start_frame=start_frame,
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stop_frame=stop_frame)
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class Plot(Sprite):
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"""
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Sample Sprite that simply plots an "X" for each step in the path. Useful
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for plotting a path to the screen.
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"""
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def __init__(self, screen, path, colour=Screen.COLOUR_WHITE, start_frame=0,
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stop_frame=0):
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"""
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See :py:obj:`.Sprite` for details.
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"""
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super(Plot, self).__init__(
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screen,
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renderer_dict={
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"default": StaticRenderer(images=["X"])
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},
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path=path,
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colour=colour,
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clear=False,
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start_frame=start_frame,
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stop_frame=stop_frame)
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