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Optimize create.js Ticker with idle throttling and tab visibility handling #5800

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Optimize create.js Ticker with idle throttling and tab visibility handling #5800

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d342a63
Optimize create.js ticker with idle throttling and tab visibility han…
stutijain2006 Feb 18, 2026
5396a38
Prettier on activity.js
stutijain2006 Feb 27, 2026
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1 change: 0 additions & 1 deletion index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -568,7 +568,6 @@
canvas = document.getElementById("canvas");
stage = new createjs.Stage(canvas);

createjs.Ticker.framerate = 60;
// createjs.Ticker.addEventListener("tick", stage); // Managed by Activity class
}
document.addEventListener("DOMContentLoaded", init);
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20 changes: 16 additions & 4 deletions js/activity.js
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Expand Up @@ -2931,6 +2931,15 @@ class Activity {
let lastActivity = Date.now();
let isIdle = false;

document.addEventListener("visibilitychange", () => {
if (document.hidden) {
createjs.Ticker.paused = true;
} else {
createjs.Ticker.paused = false;
resetIdleTimer();
}
});

// Wake up function - restores full framerate
const resetIdleTimer = () => {
lastActivity = Date.now();
Expand All @@ -2950,8 +2959,7 @@ class Activity {
window.addEventListener("wheel", resetIdleTimer);

// Periodic check for idle state
setInterval(() => {
// Check if music/code is playing
const idleCheck = () => {
const isMusicPlaying = this.logo?._alreadyRunning || false;

if (!isMusicPlaying && Date.now() - lastActivity > IDLE_THRESHOLD) {
Expand All @@ -2961,10 +2969,13 @@ class Activity {
console.log("⚡ Idle mode: Throttling to 1 FPS to save battery");
}
} else if (isIdle && isMusicPlaying) {
// Music started playing - wake up immediately
resetIdleTimer();
}
}, 1000);

setTimeout(idleCheck, 1000);
};

setTimeout(idleCheck, 1000);

// Expose activity instance for external checks
if (typeof window !== "undefined") {
Expand Down Expand Up @@ -7322,6 +7333,7 @@ class Activity {

// Initialize Ticker with optimal framerate
createjs.Ticker.framerate = 60;
createjs.Ticker.timingMode = createjs.Ticker.RAF;

// ===== Idle Ticker Optimization =====
// Throttle rendering when user is inactive and no music is playing
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