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