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Handle reduce motion #991

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Merged
merged 2 commits into from
May 29, 2025
Merged

Handle reduce motion #991

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e09c5fa
Handle reduce motion
federicobucchi May 29, 2025
b8a044c
simplify disable motion
federicobucchi May 29, 2025
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44 changes: 30 additions & 14 deletions assets/javascripts/new-javascripts/hero.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
const heroAnimation = async () => {
const reduceMotion = document.body.classList.contains('reduced-motion')
const isReduceMotionEnabled = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
const urlParams = new URLSearchParams(location.search)
const hasDebugParam = urlParams.has('debug')

Expand Down Expand Up @@ -103,23 +103,35 @@ const heroAnimation = async () => {
// Convert SVG path pulled from AE masks
let pathInstance = new Path2D(path)

ctx.setLineDash([pathLength])
ctx.lineDashOffset = pathLength
if (!isReduceMotionEnabled) {
ctx.setLineDash([pathLength])
ctx.lineDashOffset = pathLength

if (hasDebugParam) {
ctx.strokeStyle = debugColor
ctx.stroke(pathInstance)
if (hasDebugParam) {
ctx.strokeStyle = debugColor
ctx.stroke(pathInstance)
}
} else {
ctx.drawImage(image, 0, 0)
}

return { ctx, pathInstance }
}

const initLogo = ({ canvas, image, positionStart: [posX, posY] }) => {
const initLogo = ({ canvas, image, positionStart: [posX, posY], positionEnd: [endX, endY] }) => {
const ctx = canvas.getContext('2d')
ctx.globalAlpha = 0
// Same reason for conversion as initSwoops
ctx.translate(posX - image.naturalWidth / 2, posY - image.naturalHeight / 2)

ctx.drawImage(image, 0, 0)
if (!isReduceMotionEnabled) {
ctx.globalAlpha = 0
ctx.drawImage(image, 0, 0)
} else {
ctx.globalAlpha = 1
const deltaX = endX - posX;
const deltaY = endY - posY;
ctx.drawImage(image, deltaX, deltaY);
}

return ctx
}
Expand All @@ -135,18 +147,22 @@ const heroAnimation = async () => {
logo.image = logoImage
// init canvas for each swoop layer
heroSwoops.forEach((swoop, i) => {
swoop.image = swoopImages[i]
const canvasData = initSwoops(swoop)
swoop.ctx = canvasData.ctx
swoop.pathInstance = canvasData.pathInstance
})
swoop.image = swoopImages[i];
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@jesseaborden jesseaborden May 29, 2025 •
edited
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Looks like formatter missed the ";"

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@federicobucchi federicobucchi May 29, 2025

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I am planning to make a PR to run the formatter later. I didn't want to run it because it is going to affect other files outside this PR

const canvasData = initSwoops(swoop);
swoop.ctx = canvasData.ctx;
swoop.pathInstance = canvasData.pathInstance;
});
// init logo canvas
logo.ctx = initLogo(logo)
} catch (error) {
console.error('Error loading images:', error)
throw error
}

if (isReduceMotionEnabled) {
return;
}

const DURATION = 1000

const tl = anime.createTimeline({
Expand Down