Install
That writes one file:compositions/loop-heroreel.html.
Add it to your video
It runs for 10 seconds at 1080×1080. Paste this into your composition:index.html
<div
data-composition-id="loop-heroreel"
data-composition-src="compositions/loop-heroreel.html"
data-start="0"
data-duration="10"
data-track-index="1"
data-width="1080"
data-height="1080"
></div>
data-start. Put it on a different timeline row with
data-track-index. See data attributes for the rest.
Variables
Every one of these has a default, so the piece works untouched. Set the ones you want to change on the element:| Variable | Default | Accepts | What it does |
|---|---|---|---|
mediaFit | crop | natural, crop | Natural keeps each image’s own ratio; Crop fills the card box at the media aspect below. |
cropAspectRatio | 1:1 | 16:9, 9:16, 1:1, 4:5, 3:2, 3:4, 2:3 | Card aspect used when Fit is Crop. |
backgroundType | gradient | gradient, color, image | Gradient (start → end colours), flat Colour, or your own Image. |
backgroundGradientStart | #111111 | color | Top colour of the gradient. |
backgroundGradientEnd | #444444 | color | Bottom colour of the gradient. |
backgroundColor | #0b0b0f | color | Flat colour when Type is Color; also the ground under an Image. |
backgroundImage | “ | image | Cover-fitted background when Type is Image. |
blurAmount | 0 | 0px to 60px, step 1px | Blur on the background image, px. |
backgroundGradientNoise | 0 | 0% to 100%, step 1% | Film-grain overlay strength. |
backgroundOpacity | 1 | 0 to 1, step 0.05 | Opacity of the whole background layer (0 = transparent ground). |
shadowEnabled | false | true, false | Shadow Enabled (engine parameter; see the block header comment). |
shadowX | 0 | -40px to 40px, step 0.5px | Shadow X (engine parameter; see the block header comment). |
shadowY | 1 | -40px to 40px, step 0.5px | Shadow Y (engine parameter; see the block header comment). |
shadowBlur | 1.5 | 0px to 40px, step 0.5px | Shadow Blur (engine parameter; see the block header comment). |
shadowSpread | -0.25 | -20px to 40px, step 0.5px | Shadow Spread (engine parameter; see the block header comment). |
shadowOpacity | 40 | 0% to 100%, step 1% | Shadow Opacity (engine parameter; see the block header comment). |
shadowColor | #000000 | color | Shadow Color (engine parameter; see the block header comment). |
borderRadius | 32 | 0px to 200px, step 1px | Card corner radius in px at 1080. |
easing | smooth | custom, smooth, natural, slowdown, snappy, accelerate, elastic, bounce, overshoot, impulse, swing, linear | Easing family for stepped motion. |
easeBezier | 0.50,0.00,0.50,1.00 | string | Cubic-bezier control points for custom easing. |
hold | 55 | 0% to 100%, step 1% | Hold (engine parameter; see the block header comment). |
stagger | 60 | 0 to 120, step 1 | Stagger (engine parameter; see the block header comment). |
padding | 6 | 0px to 100px, step 1px | Padding (engine parameter; see the block header comment). |
lift | 1.8 | 0 to 4, step 0.1 | Lift (engine parameter; see the block header comment). |
activeScale | 108 | 0 to 216, step 10 | Active Scale (engine parameter; see the block header comment). |
gap | 2 | 0px to 10px, step 0.1px | Spacing between cards. |
heroOpacity | 55 | 0 to 110, step 1 | Hero Opacity (engine parameter; see the block header comment). |
kenBurns | 60 | 0 to 120, step 1 | Ken Burns (engine parameter; see the block header comment). |
style | grid | grid, blinds | Style (engine parameter; see the block header comment). |
pattern | normal | normal, diagonal, radial, spiral, random | Pattern (engine parameter; see the block header comment). |
orientation | horizontal | horizontal, vertical | Orientation (engine parameter; see the block header comment). |
openFrom | start | start, end, center, alternate | Open From (engine parameter; see the block header comment). |
rows | 4 | 0 to 10, step 0.1 | Rows (engine parameter; see the block header comment). |
columns | 4 | 0 to 10, step 0.1 | Columns (engine parameter; see the block header comment). |
slats | 8 | 0 to 16, step 0.1 | Slats (engine parameter; see the block header comment). |
image1 | data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'1050' viewBox%3D'0 0 1400 1050'%3E%3Crect width%3D'1400' height%3D'1050' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'1050' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'1046' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 778.05H621.6' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'16.5' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M286.65 778.05L379.05 662.55L471.45 778.05Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'552.3' cy%3D'674.1' r%3D'34.65' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E | image | Image on card 1 of 8. Any aspect; fitted per mediaFit. |
image2 | data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'788' viewBox%3D'0 0 1400 788'%3E%3Crect width%3D'1400' height%3D'788' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'788' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'784' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 583.908H529.376' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'12.382857142857144' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M278.004 583.908L347.348 497.228L416.692 583.908Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'477.36800000000005' cy%3D'505.896' r%3D'26.004' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E | image | Image on card 2 of 8. Any aspect; fitted per mediaFit. |
image3 | data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1050' height%3D'1400' viewBox%3D'0 0 1050 1400'%3E%3Crect width%3D'1050' height%3D'1400' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1050' height%3D'1400' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1046' height%3D'1396' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M189 995.05H558.6' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'16.5' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M223.65 995.05L316.05 879.55L408.45 995.05Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'489.3' cy%3D'891.1' r%3D'34.65' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E | image | Image on card 3 of 8. Any aspect; fitted per mediaFit. |
image4 | data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'1400' viewBox%3D'0 0 1400 1400'%3E%3Crect width%3D'1400' height%3D'1400' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'1400' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'1396' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 1037.4H744.8' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'22' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M298.2 1037.4L421.4 883.4L544.5999999999999 1037.4Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'652.4000000000001' cy%3D'898.8' r%3D'46.199999999999996' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E | image | Image on card 4 of 8. Any aspect; fitted per mediaFit. |
image5 | data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'1050' viewBox%3D'0 0 1400 1050'%3E%3Crect width%3D'1400' height%3D'1050' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'1050' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'1046' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 778.05H621.6' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'16.5' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M286.65 778.05L379.05 662.55L471.45 778.05Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'552.3' cy%3D'674.1' r%3D'34.65' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E | image | Image on card 5 of 8. Any aspect; fitted per mediaFit. |
image6 | data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'788' viewBox%3D'0 0 1400 788'%3E%3Crect width%3D'1400' height%3D'788' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'788' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'784' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 583.908H529.376' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'12.382857142857144' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M278.004 583.908L347.348 497.228L416.692 583.908Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'477.36800000000005' cy%3D'505.896' r%3D'26.004' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E | image | Image on card 6 of 8. Any aspect; fitted per mediaFit. |
image7 | data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1050' height%3D'1400' viewBox%3D'0 0 1050 1400'%3E%3Crect width%3D'1050' height%3D'1400' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1050' height%3D'1400' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1046' height%3D'1396' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M189 995.05H558.6' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'16.5' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M223.65 995.05L316.05 879.55L408.45 995.05Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'489.3' cy%3D'891.1' r%3D'34.65' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E | image | Image on card 7 of 8. Any aspect; fitted per mediaFit. |
image8 | data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'1400' viewBox%3D'0 0 1400 1400'%3E%3Crect width%3D'1400' height%3D'1400' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'1400' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'1396' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 1037.4H744.8' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'22' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M298.2 1037.4L421.4 883.4L544.5999999999999 1037.4Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'652.4000000000001' cy%3D'898.8' r%3D'46.199999999999996' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E | image | Image on card 8 of 8. Any aspect; fitted per mediaFit. |
data-variable-values on the element that mounts it. These are the
defaults, so this behaves exactly like the preview above until you change one:
<div
data-composition-id="loop-heroreel"
data-composition-src="compositions/loop-heroreel.html"
data-variable-values='{"mediaFit":"crop","cropAspectRatio":"1:1","backgroundType":"gradient","backgroundGradientStart":"#111111","backgroundGradientEnd":"#444444","backgroundColor":"#0b0b0f","backgroundImage":"","blurAmount":0,"backgroundGradientNoise":0,"backgroundOpacity":1,"shadowEnabled":"false","shadowX":0,"shadowY":1,"shadowBlur":1.5,"shadowSpread":-0.25,"shadowOpacity":40,"shadowColor":"#000000","borderRadius":32,"easing":"smooth","easeBezier":"0.50,0.00,0.50,1.00","hold":55,"stagger":60,"padding":6,"lift":1.8,"activeScale":108,"gap":2,"heroOpacity":55,"kenBurns":60,"style":"grid","pattern":"normal","orientation":"horizontal","openFrom":"start","rows":4,"columns":4,"slats":8,"image1":"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'1050' viewBox%3D'0 0 1400 1050'%3E%3Crect width%3D'1400' height%3D'1050' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'1050' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'1046' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 778.05H621.6' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'16.5' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M286.65 778.05L379.05 662.55L471.45 778.05Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'552.3' cy%3D'674.1' r%3D'34.65' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E","image2":"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'788' viewBox%3D'0 0 1400 788'%3E%3Crect width%3D'1400' height%3D'788' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'788' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'784' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 583.908H529.376' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'12.382857142857144' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M278.004 583.908L347.348 497.228L416.692 583.908Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'477.36800000000005' cy%3D'505.896' r%3D'26.004' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E","image3":"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1050' height%3D'1400' viewBox%3D'0 0 1050 1400'%3E%3Crect width%3D'1050' height%3D'1400' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1050' height%3D'1400' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1046' height%3D'1396' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M189 995.05H558.6' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'16.5' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M223.65 995.05L316.05 879.55L408.45 995.05Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'489.3' cy%3D'891.1' r%3D'34.65' 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></div>
Source
loop-heroreel.html
loop-heroreel.html
<!doctype html>
<html
lang="en"
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Any aspect; fitted per mediaFit.","portrays":["subject_image"],"default":"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'788' viewBox%3D'0 0 1400 788'%3E%3Crect width%3D'1400' height%3D'788' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'788' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'784' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 583.908H529.376' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'12.382857142857144' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M278.004 583.908L347.348 497.228L416.692 583.908Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'477.36800000000005' cy%3D'505.896' r%3D'26.004' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E"},{"id":"image7","type":"image","role":"content","label":"Media · Image 7","description":"Image on card 7 of 8. 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Any aspect; fitted per mediaFit.","portrays":["subject_image"],"default":"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'1400' viewBox%3D'0 0 1400 1400'%3E%3Crect width%3D'1400' height%3D'1400' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'1400' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'1396' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 1037.4H744.8' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'22' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M298.2 1037.4L421.4 883.4L544.5999999999999 1037.4Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'652.4000000000001' cy%3D'898.8' r%3D'46.199999999999996' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E"}]'
>
<head>
<title>loop-heroreel</title>
<meta charset="UTF-8" />
<meta name="viewport" content="width=1080, height=1080" />
<script src="https://cdn.jsdelivr.net/npm/gsap@3.14.2/dist/gsap.min.js"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html,
body {
width: 1080px;
height: 1080px;
overflow: hidden;
background: #0b0b0f;
}
#loop-heroreel-bg {
position: absolute;
inset: 0;
}
#loop-heroreel-hero {
position: absolute;
inset: 0;
overflow: hidden;
}
#loop-heroreel-hero .layer {
position: absolute;
inset: 0;
}
#loop-heroreel-hero .tile {
position: absolute;
overflow: hidden;
}
#loop-heroreel-hero img {
position: absolute;
left: 0;
top: 0;
width: 1080px;
height: 1080px;
object-fit: cover;
}
#loop-heroreel-row {
position: absolute;
left: 0;
top: 0;
}
.card img {
display: block;
}
</style>
</head>
<body>
<div
id="loop-heroreel-root"
data-composition-id="loop-heroreel"
data-start="0"
data-width="1080"
data-height="1080"
data-duration="10"
>
<div
id="loop-heroreel-loop"
class="clip"
data-start="0"
data-duration="10"
data-track-index="1"
data-layout-allow-overflow
>
<div id="loop-heroreel-bg"></div>
<div id="loop-heroreel-hero">
<div class="layer" id="loop-heroreel-base"></div>
<div class="layer" id="loop-heroreel-wipe"></div>
</div>
<div id="loop-heroreel-row"></div>
</div>
</div>
<script>
// Shared runtime for the the reference tool loop ports. Loaded by every family engine.
// Everything here is a pure function of the HyperFrames variables + t.
//
// Reference constants (measured on the 512x512 preview library, 2026-09-08):
// Marquee planeSize -> 0.3% of frame height per unit (7 variants, all 1.54px/unit @512)
// Marquee gap -> 0.2% of frame height per unit
// 3D perspective -> CSS focal length f = 1000px * (100/perspective) at H=1080
// (3D01/02/08/11: card widths & far-card spacing match to <3%)
// Both are calibrated on a SQUARE canvas; for 16:9 we scale by H. ponytail: if the
// dashboard 16:9 reference shows width-relative scaling, flip REF below to W.
window.RF = (() => {
// Variables are injected by the inline script via RF.use(): HyperFrames wraps INLINE scripts in a
// per-composition scope where getVariables() resolves; this external file only sees the host window.
const V = {},
MEDIA = [];
const use = (vars, media) => {
Object.assign(V, vars || {});
MEDIA.splice(0, MEDIA.length, ...(media || []));
};
const root = document.querySelector("[data-composition-id]");
const W = +root.dataset.width,
H = +root.dataset.height;
const REF = H;
const num = (k, d) => (V[k] !== undefined && V[k] !== "" && !isNaN(+V[k]) ? +V[k] : d);
const str = (k, d) => (V[k] !== undefined && V[k] !== "" ? String(V[k]) : d);
const on = (k, d) => /^(true|on|1)$/i.test(str(k, d ? "on" : "off")); // spec booleans arrive as "true"/"false", enums as on/off
function pick(n) {
n = Math.max(1, Math.min(MEDIA.length, n | 0));
return MEDIA.slice(0, n);
}
// aspect (w/h) a card takes for a media item under mediaFit + cropAspectRatio
function aspect(m, fit, cropAR) {
if (fit === "natural") return m.w / m.h;
const [a, b] = String(cropAR || "1:1")
.split(":")
.map(Number);
return a && b ? a / b : 1;
}
function card(m, w, h, radius) {
const el = document.createElement("div");
el.className = "card";
el.style.cssText = `position:absolute;width:${w}px;height:${h}px;overflow:hidden;border-radius:${radius}px;`;
const img = document.createElement("img");
img.src = m.src;
img.width = Math.round(w);
img.height = Math.round(h);
img.style.cssText = `display:block;width:${w}px;height:${h}px;object-fit:cover;`;
el.appendChild(img);
return el;
}
function background(el) {
// the editor's Background panel: type gradient | color | image, gradient start/end, grain (noise %), opacity, image blur
const type = str("backgroundType", "gradient");
const c = str("backgroundColor", "#0b0b0f");
el.style.background = c;
if (type === "gradient") {
const g1 = str("backgroundGradientStart", "#111111"),
g2 = str("backgroundGradientEnd", "#444444");
el.style.background = `linear-gradient(180deg, ${g1}, ${g2})`;
} else if (type === "image") {
const im = V.backgroundImage,
src = im && typeof im === "object" ? im.url || im.src || "" : im || "";
if (src) {
el.style.background = `${c} url("${src}") center / cover no-repeat`;
const b = num("blurAmount", 0);
if (b > 0) el.style.filter = `blur(${b}px)`;
}
}
el.style.opacity = String(Math.max(0, Math.min(1, num("backgroundOpacity", 1))));
const noise = num("backgroundGradientNoise", 0);
if (noise > 0) {
const g = document.createElement("div");
g.style.cssText = `position:absolute;inset:0;pointer-events:none;mix-blend-mode:overlay;opacity:${((noise / 100) * 0.7).toFixed(3)};background:url("data:image/svg+xml,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20width%3D'256'%20height%3D'256'%3E%3Cfilter%20id%3D'n'%3E%3CfeTurbulence%20type%3D'fractalNoise'%20baseFrequency%3D'0.9'%20numOctaves%3D'3'%20stitchTiles%3D'stitch'%20seed%3D'7'%2F%3E%3CfeColorMatrix%20values%3D'0%200%200%200%200.5%200%200%200%200%200.5%200%200%200%200%200.5%200%200%200%201%200'%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D'256'%20height%3D'256'%20filter%3D'url(%23n)'%2F%3E%3C%2Fsvg%3E") 0 0 / 256px 256px repeat`;
el.appendChild(g);
}
}
const expoInOut = (x) =>
x <= 0
? 0
: x >= 1
? 1
: x < 0.5
? Math.pow(2, 20 * x - 10) / 2
: (2 - Math.pow(2, -20 * x + 10)) / 2;
const frac = (x) => x - Math.floor(x);
return {
V,
use,
W,
H,
REF,
num,
str,
on,
MEDIA,
pick,
aspect,
card,
background,
expoInOut,
frac,
};
})();
</script>
<script>
(async () => {
// Banner loop family — a row of N thumbnails (vertically centred), the active one lifted and
// scaled, over a full-frame backdrop of the active image at heroOpacity with a slow Ken Burns zoom; each step the
// backdrop wipes to the next image through a grid of scaling tiles (style=grid) or slats (style=blinds), staggered.
// Measured (512 preview, 8 images, step 37.5 f): thumbs 48 px square at pitch 58 (gap 2% of H = 10.2), first at x 29
// (padding 6% = 30.7) -> thumb = (W - 2*pad - (N-1)*gap)/N; row centre y 256 = H/2; active 51 px (x1.08) lifted 9.5 px
// (lift 1.8% of H); backdrop luma 53 = 0.55*thumb + 0.45*bg (heroOpacity 55). Wipe: 4x4 cells, hold until f~22.5 of
// 37.5 (hold 55%), cell (0,0) opens f23, (3,3) f32.5 -> stagger span ~10 f = 60% of the 17-f wipe window, each tile
// grows from its centre over the remaining ~7 f, row-major (pattern=normal); the active thumb changes over the same
// window (f24..32). Tiles/hard edges have no visible rounding.
// Knobs (unmeasured): kenBurns = zoom of kenBurns/1000 (60 -> 6%) over one image's display; patterns diagonal/radial/
// spiral/random and openFrom end/center/alternate are orderings only; blinds = `slats` strips along `orientation`;
// speedVariation ignored; shadow units 1% of H; the wipe tiles are square-cut (borderRadius applies to thumbs only).
// media list [{src,w,h}] is inlined by build.mjs; HyperFrames scopes inline scripts, so hand both to the shared lib explicitly
const __V = Object.assign(
{},
(window.__hyperframes && window.__hyperframes.getVariables
? window.__hyperframes.getVariables()
: null) || {},
{ loopDuration: 10, loopRepeat: 2, imageCount: 8 },
);
const __PH = [
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"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'788' viewBox%3D'0 0 1400 788'%3E%3Crect width%3D'1400' height%3D'788' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'788' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'784' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 583.908H529.376' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'12.382857142857144' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M278.004 583.908L347.348 497.228L416.692 583.908Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'477.36800000000005' cy%3D'505.896' r%3D'26.004' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E",
"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1050' height%3D'1400' viewBox%3D'0 0 1050 1400'%3E%3Crect width%3D'1050' height%3D'1400' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1050' height%3D'1400' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1046' height%3D'1396' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M189 995.05H558.6' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'16.5' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M223.65 995.05L316.05 879.55L408.45 995.05Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'489.3' cy%3D'891.1' r%3D'34.65' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E",
"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'1400' viewBox%3D'0 0 1400 1400'%3E%3Crect width%3D'1400' height%3D'1400' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'1400' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'1396' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 1037.4H744.8' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'22' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M298.2 1037.4L421.4 883.4L544.5999999999999 1037.4Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'652.4000000000001' cy%3D'898.8' r%3D'46.199999999999996' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E",
"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'1050' viewBox%3D'0 0 1400 1050'%3E%3Crect width%3D'1400' height%3D'1050' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'1050' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'1046' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 778.05H621.6' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'16.5' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M286.65 778.05L379.05 662.55L471.45 778.05Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'552.3' cy%3D'674.1' r%3D'34.65' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E",
"data:image/svg+xml,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'1400' height%3D'788' viewBox%3D'0 0 1400 788'%3E%3Crect width%3D'1400' height%3D'788' fill%3D'%230b0b0f'%2F%3E%3Crect width%3D'1400' height%3D'788' fill%3D'rgba(255%2C255%2C255%2C0.18)'%2F%3E%3Crect x%3D'2' y%3D'2' width%3D'1396' height%3D'784' fill%3D'none' stroke%3D'rgba(255%2C255%2C255%2C0.14)' stroke-width%3D'4'%2F%3E%3Cpath d%3D'M252 583.908H529.376' stroke%3D'rgba(255%2C255%2C255%2C0.45)' stroke-width%3D'12.382857142857144' stroke-linecap%3D'round'%2F%3E%3Cpath d%3D'M278.004 583.908L347.348 497.228L416.692 583.908Z' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3Ccircle cx%3D'477.36800000000005' cy%3D'505.896' r%3D'26.004' fill%3D'rgba(255%2C255%2C255%2C0.45)'%2F%3E%3C%2Fsvg%3E",
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];
const __MEDIA = await Promise.all(
["image1", "image2", "image3", "image4", "image5", "image6", "image7", "image8"].map(
async (id, i) => {
const v = __V[id];
const src = (v && typeof v === "object" ? v.url || v.src : v) || __PH[i];
const img = new Image();
img.src = src;
try {
await img.decode();
} catch (e) {}
return { src, w: img.naturalWidth || 1400, h: img.naturalHeight || 1050 };
},
),
);
RF.use(__V, __MEDIA);
const { W, H, REF, num, str, pick, aspect, card, background, frac } = RF;
const bool = (k, d) => /^(true|on|1)$/i.test(str(k, d ? "true" : "false"));
const DUR = num("loopDuration", 10);
const FIT = str("mediaFit", "crop");
const CROP_AR = str("cropAspectRatio", "1:1");
const PAD = (num("padding", 6) / 100) * REF;
const GAP = (num("gap", 2) / 100) * REF;
const LIFT = (num("lift", 1.8) / 100) * REF;
const ASCALE = num("activeScale", 108) / 100;
const HOP = num("heroOpacity", 55) / 100;
const KB = num("kenBurns", 60) / 1000;
const HOLD = Math.min(0.95, Math.max(0, num("hold", 55) / 100));
const STYLE = str("style", "grid");
const PATTERN = str("pattern", "normal");
const HORIZ = str("orientation", "horizontal") === "horizontal";
const OPEN = str("openFrom", "start");
const ROWS = Math.max(1, num("rows", 4) | 0),
COLS = Math.max(1, num("columns", 4) | 0),
SLATS = Math.max(1, num("slats", 8) | 0);
const STAG = Math.min(0.95, Math.max(0, num("stagger", 60) / 100));
const RADIUS = (num("borderRadius", 32) * REF) / 1080;
const IMAGES = pick(num("imageCount", 16));
const N = IMAGES.length;
const bezier = (x1, y1, x2, y2) => (x) => {
if (x <= 0) return 0;
if (x >= 1) return 1;
let lo = 0,
hi = 1,
s = 0.5;
for (let i = 0; i < 24; i++) {
s = (lo + hi) / 2;
const bx = 3 * (1 - s) * (1 - s) * s * x1 + 3 * (1 - s) * s * s * x2 + s * s * s;
if (bx < x) lo = s;
else hi = s;
}
return 3 * (1 - s) * (1 - s) * s * y1 + 3 * (1 - s) * s * s * y2 + s * s * s;
};
const EASES = {
smooth: [0.5, 0, 0.5, 1],
linear: [0, 0, 1, 1],
slowdown: [0, 0, 0.2, 1],
accelerate: [0.4, 0, 1, 1],
natural: [0.25, 0.1, 0.25, 1],
snappy: [0.4, 0, 0.2, 1],
};
const eName = str("easing", "smooth");
const ease = bezier(
...(eName === "custom"
? str("easeBezier", "0.50,0.00,0.50,1.00").split(",").map(Number)
: EASES[eName] || EASES.smooth),
);
const clamp01 = (x) => Math.min(1, Math.max(0, x));
document.getElementById("loop-heroreel-loop").dataset.duration = DUR;
background(document.getElementById("loop-heroreel-bg"));
const hero = document.getElementById("loop-heroreel-hero");
hero.style.opacity = HOP;
const shadow = bool("shadowEnabled", false)
? `${(num("shadowX", 0) * REF) / 100}px ${(num("shadowY", 1) * REF) / 100}px ${(num("shadowBlur", 1.5) * REF) / 100}px ${(num("shadowSpread", -0.25) * REF) / 100}px ${str("shadowColor", "#000000")}${Math.round(
num("shadowOpacity", 40) * 2.55,
)
.toString(16)
.padStart(2, "0")}`
: "";
// --- backdrop: base layer (one img per image) + wipe tiles (each tile holds one img per image) ---
const base = document.getElementById("loop-heroreel-base"),
wipe = document.getElementById("loop-heroreel-wipe");
const baseImgs = IMAGES.map((m) => {
const im = document.createElement("img");
im.src = m.src;
base.appendChild(im);
return im;
});
// tile rects [x,y,w,h] + order index
const rects = [];
if (STYLE === "blinds") {
for (let i = 0; i < SLATS; i++)
rects.push(
HORIZ
? [0, (i * H) / SLATS, W, H / SLATS, 0, i]
: [(i * W) / SLATS, 0, W / SLATS, H, i, 0],
);
} else {
for (let r = 0; r < ROWS; r++)
for (let c = 0; c < COLS; c++)
rects.push([(c * W) / COLS, (r * H) / ROWS, W / COLS, H / ROWS, c, r]);
}
// ordering key per pattern (lower opens first)
const T = rects.length;
let seed = 1234567;
const rnd = () => (seed = (seed * 1103515245 + 12345) & 0x7fffffff) / 0x7fffffff; // fixed-seed LCG
const cR = (ROWS - 1) / 2,
cC = (COLS - 1) / 2;
const spiral = (() => {
// row-major indices in clockwise spiral order
const g = Array.from({ length: ROWS }, () => Array(COLS).fill(-1));
let k = 0,
r0 = 0,
r1 = ROWS - 1,
c0 = 0,
c1 = COLS - 1;
while (r0 <= r1 && c0 <= c1) {
for (let c = c0; c <= c1; c++) g[r0][c] = k++;
for (let r = r0 + 1; r <= r1; r++) g[r][c1] = k++;
if (r0 < r1) for (let c = c1 - 1; c >= c0; c--) g[r1][c] = k++;
if (c0 < c1) for (let r = r1 - 1; r > r0; r--) g[r][c0] = k++;
r0++;
r1--;
c0++;
c1--;
}
return g;
})();
let keys = rects.map((rc, i) => {
const [, , , , c, r] = rc;
if (STYLE === "blinds") return i;
if (PATTERN === "diagonal") return r + c;
if (PATTERN === "radial") return Math.hypot(r - cR, c - cC);
if (PATTERN === "spiral") return spiral[r][c];
if (PATTERN === "random") return rnd();
return i;
});
// rank -> normalised start 0..1
const sorted = keys
.map((k, i) => [k, i])
.sort((a, b) => a[0] - b[0])
.map((p) => p[1]);
let rank = new Array(T);
sorted.forEach((i, ri) => (rank[i] = ri));
if (OPEN === "end") rank = rank.map((r) => T - 1 - r);
else if (OPEN === "center") rank = rank.map((r) => Math.abs(r - (T - 1) / 2) * 2);
else if (OPEN === "alternate")
rank = rank.map((r) => (r % 2 === 0 ? r / 2 : T - 1 - (r - 1) / 2));
const maxRank = Math.max(1, ...rank);
const tiles = rects.map((rc, i) => {
const [x, y, w, h] = rc;
const el = document.createElement("div");
el.className = "tile";
el.style.cssText = `left:${x}px;top:${y}px;width:${w}px;height:${h}px;transform-origin:50% 50%;`;
const imgs = IMAGES.map((m) => {
const im = document.createElement("img");
im.src = m.src;
im.style.left = -x + "px";
im.style.top = -y + "px";
im.style.display = "none";
el.appendChild(im);
return im;
});
wipe.appendChild(el);
return { el, imgs, start: (rank[i] / maxRank) * STAG };
});
// --- thumb row ---
const row = document.getElementById("loop-heroreel-row");
const aspects = IMAGES.map((m) => aspect(m, FIT, CROP_AR));
const TH = (W - 2 * PAD - (N - 1) * GAP) / aspects.reduce((s, a) => s + a, 0); // thumb height
const thumbs = [];
let x = PAD;
IMAGES.forEach((m, i) => {
const w = TH * aspects[i];
const c = card(m, w, TH, RADIUS);
c.style.left = x + "px";
c.style.top = (H - TH) / 2 + "px";
c.style.transformOrigin = "50% 50%";
if (shadow) c.style.boxShadow = shadow;
row.appendChild(c);
thumbs.push(c);
x += w + GAP;
});
function renderAt(t) {
const s = frac(t) * N,
k = Math.floor(s),
u = s - k;
const cur = k % N,
nxt = (k + 1) % N;
const wv = clamp01((u - HOLD) / (1 - HOLD)); // wipe progress 0..1 in the post-hold window
const zoom = (i, start) => 1 + KB * Math.max(0, s - start); // ken burns: grows from the image's wipe start
// base = current image, zoom since its own wipe started at (k - 1 + HOLD)
baseImgs.forEach((im, i) => {
im.style.display = i === cur ? "" : "none";
});
baseImgs[cur].style.transform = `scale(${zoom(cur, k - 1 + HOLD)})`;
// wipe tiles show the next image
for (const tl of tiles) {
const p = wv <= 0 ? 0 : ease(clamp01((wv - tl.start) / Math.max(0.02, 1 - STAG)));
tl.imgs.forEach((im, i) => {
im.style.display = i === nxt && p > 0 ? "" : "none";
});
tl.el.style.transform =
STYLE === "blinds" ? (HORIZ ? `scaleY(${p})` : `scaleX(${p})`) : `scale(${p})`;
if (p > 0) tl.imgs[nxt].style.transform = `scale(${zoom(nxt, k + HOLD)})`;
}
// thumbs: active lifts; hand-over during the first quarter after the hold
const hv = ease(clamp01((u - HOLD) / 0.25));
thumbs.forEach((c, i) => {
const a = i === cur ? 1 - hv : i === nxt ? hv : 0;
c.style.transform = `translateY(${-LIFT * a}px) scale(${1 + (ASCALE - 1) * a})`;
c.style.zIndex = a > 0 ? 2 : 1;
});
}
// one paused linear tween drives t; every frame is recomputed from t alone (seek-safe)
const state = { t: 0 };
const tl = gsap.timeline({ paused: true });
tl.to(state, { t: 1, duration: DUR, ease: "none", onUpdate: () => renderAt(state.t) }, 0);
renderAt(0);
window.__timelines = window.__timelines || {};
window.__timelines["loop-heroreel"] = tl;
})();
</script>
</body>
</html>
loop images showcase gallery heroreel.
Created by Miao Yang.