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added thimblerig.py

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Fr3deric 7 years ago
parent
commit
ab67d72f83
  1. 232
      generators/thimblerig.py

232
generators/thimblerig.py

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#!/usr/bin/env python3
import sys
import random
import math
import argparse
import collections
import blup.frame
import blup.output
import blup.animation
import blup.writebml
import colorsys
import functools
WIDTH = 22
HEIGHT = 16
DEPTH = 256
class Point(collections.namedtuple('Point', ['x', 'y'])):
def __add__(self, other):
return Point(self.x + other.x, self.y + other.y)
def __sub__(self, other):
return Point(self.x - other.x, self.y - other.y)
def __mul__(self, other):
if isinstance(other, Point):
raise Exception('not implemented')
else:
return Point(self.x * other, self.y * other)
def __truediv__(self, other):
if isinstance(other, Point):
raise ValueError()
else:
return self * (1/other)
@property
def len(self):
return math.sqrt(self.x**2 + self.y**2)
@property
def n(self):
n = Point(self.y, -self.x)
return n / n.len
@property
def intp(self):
return Point(int(round(self.x)), int(round(self.y)))
def convert_color(c):
return list(map(lambda x: int(round(x*(DEPTH-1))), c))
def get_random_color():
return colorsys.hsv_to_rgb(random.random(), 0.5 + random.random() / 2, 1)
class CurveFunction():
def __init__(self, p1, p2):
self.p1, self.p2 = p1, p2
d = p2 - p1
self.pp = p1 + d/2 + d.n * (d.len * 0.8)
def __call__(self, t):
ret = (self.p1 - self.pp*2 + self.p2) * t**2
ret += (self.p1 * -2 + self.pp * 2) * t
ret += self.p1
return ret
class Box():
def __init__(self, pos, size, hue, swaptime, content=None,
contentcolor=None):
self.pos, self.size, self.hue, self.content, self.contentcolor = \
pos, size, hue, content, contentcolor
self.swaptime = swaptime
self.covered = False
self.swapstart = None
self.newpos = None
self.cf = None
self.colorcycletime = 1
def swap(self, other):
self.newpos = other.pos
other.newpos = self.pos
def update(self, t, dt):
self.hue += 0.05 # dt / self.colorcycletime
if self.hue > 1:
self.hue -= 1
if self.newpos is not None:
if self.cf is None:
self.cf = CurveFunction(self.pos, self.newpos)
self.swapstart = t
elif t - self.swapstart >= self.swaptime:
self.pos = self.newpos
self.newpos = None
self.cf = None
self.swapstart = None
else:
self.pos = (self.cf((t - self.swapstart) / self.swaptime)).intp
def draw(self, frame):
if self.covered:
for x in range(self.size):
for y in range(self.size):
if x == 0 or x == self.size - 1 \
or y == 0 or y == self.size -1:
color = (0.2, 0.2, 0.2)
else:
color = colorsys.hsv_to_rgb(self.hue, 1, 1)
try:
frame.setPixel(self.pos.x + x, self.pos.y + y,
convert_color(color))
except ValueError:
pass
else:
if self.content is not None:
for p in self.content:
try:
frame.setPixel(self.pos.x + p.x + 1,
self.pos.y + p.y + 1,
convert_color(self.contentcolor))
except ValueError:
pass
class Game():
def __init__(self, size, boxsize, gap, content, contentcolor, swaptime):
self.swaptime = swaptime
self.boxes = []
boxbase = Point((size.x - (2*boxsize + gap)) / 2,
(size.y - (2*boxsize + gap)) / 2)
self.n_boxes = 4
for i in range(self.n_boxes):
boxpos = boxbase + Point(
(i % (self.n_boxes/2)) * (boxsize + gap),
(i // (self.n_boxes/2)) * (boxsize + gap)
)
self.boxes.append(Box(
boxpos.intp,
boxsize,
i * (1/self.n_boxes),
swaptime
))
winner = random.randint(0, self.n_boxes - 1)
self.boxes[winner].content = content
self.boxes[winner].contentcolor = contentcolor
self.statetimes = [2, 1, 5, 2, 1, 2]
self.statestarts = [0]
for t in self.statetimes[:-1]:
self.statestarts.append(self.statestarts[-1] + t)
self.done = False
def update(self, t, dt):
state = 0
for i, st in enumerate(self.statestarts):
if st < t:
state = i
else:
break
state_t = t - self.statestarts[state]
if state == 1 or state == 4:
for i, b in enumerate(self.boxes):
if state_t >= i * (self.statetimes[state] / self.n_boxes):
b.covered = (state == 1)
elif state == 2:
if True not in map(lambda b: b.newpos is not None, self.boxes) \
and random.random() > 0.2:
b1 = random.randint(0, self.n_boxes - 1)
b2 = random.randint(0, self.n_boxes - 1)
while b1 == b2:
b2 = random.randint(0, self.n_boxes - 1)
self.boxes[b1].swap(self.boxes[b2])
if state > 0 and state < 5:
for b in self.boxes:
b.update(t, dt)
if state == len(self.statetimes) - 1:
self.done = True
def draw(self, frame):
for b in self.boxes:
if b.newpos is None:
b.draw(frame)
for b in self.boxes:
if b.newpos is not None:
b.draw(frame)
BOXCONTENT = {
Point(0, 0),
Point(3, 0),
Point(0, 2),
Point(3, 2),
Point(1, 3),
Point(2, 3),
}
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Generate animations')
parser.add_argument('-d', '--delay', type=int, default=50)
parser.add_argument('-t', '--time', type=int, default=15)
parser.add_argument('output_file')
args = parser.parse_args()
dim = blup.frame.FrameDimension(WIDTH, HEIGHT, DEPTH, 3)
anim = blup.animation.Animation(dim)
anim.tags['description'] = ' '.join(sys.argv)
t = 0
dt = args.delay / 1000
gamestart = 0
game = None
while t < args.time or not game.done:
t += dt
frame = blup.animation.AnimationFrame(dim, args.delay)
if (game is None or game.done) and t < args.time:
game = Game(Point(WIDTH, HEIGHT), 6, 2, BOXCONTENT,
get_random_color(), 0.5)
gamestart = t
game.update(t - gamestart, dt)
game.draw(frame)
anim.addFrame(frame)
blup.writebml.writeBml(anim, args.output_file)
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