70 lines
1.5 KiB
Python
70 lines
1.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# copy from https://github.com/aneasystone/selenium-test/blob/master/12-slider-captcha.py
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# thanks to aneasystone for his great work
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import numpy as np
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import math
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from typing import List, Tuple
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# https://github.com/gdsmith/jquery.easing/blob/master/jquery.easing.js
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def ease_in_quad(x):
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return x * x
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def ease_out_quad(x):
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return 1 - (1 - x) * (1 - x)
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def ease_out_quart(x):
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return 1 - pow(1 - x, 4)
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def ease_out_expo(x):
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if x == 1:
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return 1
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else:
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return 1 - pow(2, -10 * x)
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def ease_out_bounce(x):
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n1 = 7.5625
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d1 = 2.75
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if x < 1 / d1:
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return n1 * x * x
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elif x < 2 / d1:
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x -= 1.5 / d1
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return n1 * x * x + 0.75
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elif x < 2.5 / d1:
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x -= 2.25 / d1
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return n1 * x * x + 0.9375
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else:
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x -= 2.625 / d1
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return n1 * x * x + 0.984375
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def ease_out_elastic(x):
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if x == 0:
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return 0
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elif x == 1:
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return 1
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else:
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c4 = (2 * math.pi) / 3
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return pow(2, -10 * x) * math.sin((x * 10 - 0.75) * c4) + 1
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def get_tracks(distance, seconds, ease_func) -> Tuple[List[int], List[int]]:
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tracks = [0]
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offsets = [0]
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for t in np.arange(0.0, seconds, 0.1):
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ease = globals()[ease_func]
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offset = round(ease(t / seconds) * distance)
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tracks.append(offset - offsets[-1])
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offsets.append(offset)
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return offsets, tracks
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if __name__ == '__main__':
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o, tl = get_tracks(129, 3, "ease_out_expo")
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print(tl)
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