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114 lines
2.9 KiB
114 lines
2.9 KiB
7 years ago
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#!/usr/bin/env python3
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import sys
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import random
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import argparse
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import blup.frame
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import blup.output
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import blup.animation
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import blup.writebml
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import colorsys
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WIDTH = 22
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HEIGHT = 16
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DEPTH = 256
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def convert_color(c):
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return list(map(lambda x: int(round(x*(DEPTH-1))), c))
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def get_random_color():
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if random.random() < 0.5:
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s = 1
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v = random.random()
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else:
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s = random.random()
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v = 1
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return colorsys.hsv_to_rgb(random.random(), s, v)
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def cap(x):
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return min(1, max(0, x))
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def cyc(x):
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while x < 0:
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x += 1
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while x > 1:
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x -= 1
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return x
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class Unrath:
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def __init__(self):
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self.shape = set([(0, 0)])
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shapesize = random.randint(2, 5)
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while len(self.shape) < shapesize:
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p = random.sample(self.shape, 1)[0]
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self.shape.add((p[0]+random.randint(0, 1), p[1]+random.randint(0, 1)))
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self.shapewidth = max(map(lambda p: p[0], self.shape))
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shapeheight = max(map(lambda p: p[1], self.shape))
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y = random.randint(0, HEIGHT-shapeheight)
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if random.random() > 0.5:
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d = 1
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x = -self.shapewidth
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else:
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d = -1
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x = WIDTH + self.shapewidth
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self.pos = (x, y)
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self.finished = False
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self.speed = d * random.randint(2, WIDTH/2)
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self.color = get_random_color()
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def update(self, dt):
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if (self.pos[0] + self.shapewidth < 0 and self.speed < 0) or \
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(self.pos[0] > WIDTH and self.speed > 0):
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self.finished = True
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else:
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self.pos = (self.pos[0] + dt*self.speed, self.pos[1])
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def draw(self, frame):
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for p in self.shape:
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try:
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frame.setPixel(
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int(self.pos[0] + p[0]),
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int(self.pos[1] + p[1]),
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convert_color(self.color)
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)
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except ValueError:
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pass
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Generate Unrath animations')
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parser.add_argument('-d', '--delay', type=int, default=50)
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parser.add_argument('-t', '--time', type=int, default=15)
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parser.add_argument('-n', '--num-unraethe', type=int, default=5)
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parser.add_argument('output_file')
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args = parser.parse_args()
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dim = blup.frame.FrameDimension(WIDTH, HEIGHT, DEPTH, 3)
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anim = blup.animation.Animation(dim)
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anim.tags['description'] = ' '.join(sys.argv)
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t = 0
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unraethe = []
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while t < args.time:
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t += args.delay / 1000
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frame = blup.animation.AnimationFrame(dim, args.delay)
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unraethe = list(filter(lambda u: not u.finished, unraethe))
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if len(unraethe) < args.num_unraethe:
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unraethe.append(Unrath())
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for u in unraethe:
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u.update(args.delay / 1000)
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u.draw(frame)
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anim.addFrame(frame)
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blup.writebml.writeBml(anim, args.output_file)
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