generated from thinkode/modelRepository
28 lines
686 B
Python
28 lines
686 B
Python
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from dataclasses import dataclass
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from moviepy.Effect import Effect
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@dataclass
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class Blink(Effect):
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"""
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Makes the clip blink. At each blink it will be displayed ``duration_on``
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seconds and disappear ``duration_off`` seconds. Will only work in
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composite clips.
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"""
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duration_on: float
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duration_off: float
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def apply(self, clip):
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"""Apply the effect to the clip."""
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if clip.mask is None:
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clip = clip.with_mask()
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duration = self.duration_on + self.duration_off
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clip.mask = clip.mask.transform(
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lambda get_frame, t: get_frame(t) * ((t % duration) < self.duration_on)
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)
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return clip
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