Scroll-based inline flipbook animation for mobile and desktop.
Original flipbook.js by Russell Goldenberg
npm install flipbook-mobile
or
<script src="flipbook.js"></script>
<div id='walk-cycle'></div>
<script>
flipbook({
id: 'walk-cycle',
filename: index => `https://<my_image_server>/my_flipbook_frames/${index}.jpg`,
count: 86,
speed: 0.5
});
</script>-
id (required) [String] The id of the element where the flipbook will be inserted.
-
filename (required) [Function] Given frame index, returns URL to frame image.
-
count (required) [Number] Count of images in directory.
-
speed (optional) [Number 0 to 1] How fast the scroll advances the frames (0: slow, 1: fast). Defaults to 0.5.
-
cover (optional) [Boolean] If the flipbook should go full window height, and center-crop (like CSS's
background-size: cover). Defaults to false. -
loaded (optional) [Function] Callback function when the flipbook has loaded all images and is ready to play through. Defaults to none.
-
gif (optional) [Boolean] Autoplay the animation and loop like a gif without scroll interaction.
Convert a video to image sequence with ffmpeg:
ffmpeg -i input.mp4 -r 12 frames/%d.png
Original flipbook.js:
MIT © Russell Goldenberg