kCAFillModeBackwards
The receiver clamps values before zero to zero when the animation is completed.
What does the meaning of "clamping values before zero to zero"? A simple example would be appreciated.
What's the effect of fillMode being kCAFillModeBackwards?
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2 Answers
Default : kCAFillModeRemoved - plays the animation at begin time and simply removes animation from view layer.
kCAFillModeBackwards - loads the animation first frame until animation begins and then removes animation completely from view layer after completion.
kCAFillModeForwards - opposite of above. Keep last frame of animation, unless explicitly removed, even after animation completes.
kCAFillModeBoth - kCAFillModeForwards + kCAFillModeBackwards
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