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fix: fix/mousejiggler figure 8 #138 #139

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3554380
fix: fix/mousejiggler figure 8
frkr Jul 10, 2026
60ae0ff
fix: fix/mousejiggler figure 8
frkr Jul 10, 2026
13e8cc4
fix: fix/mousejiggler figure 8
frkr Jul 10, 2026
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68 changes: 60 additions & 8 deletions browser/src/libs/mouse-jiggler/index.ts
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Original file line number Diff line number Diff line change
@@ -1,14 +1,22 @@
import { device } from '@/libs/device';
import { MouseReportRelative } from '@/libs/mouse';

const MOUSE_JIGGLER_INTERVAL = 15_000;
const MOUSE_JIGGLER_CHECK_MS = 3_000;
const MOUSE_JIGGLER_MIN_IDLE = 30_000;
const MOUSE_JIGGLER_MAX_IDLE = 60_000;

class MouseJiggler {
private lastMoveTime: number;
private timer: number | null;
private mode: 'enable' | 'disable';
private mouseReport: MouseReportRelative;

// Figure-8 (lemniscate) pattern state
private figure8Step: number = 0;
private readonly FIGURE8_STEPS = 24;
private readonly BASE_AMPLITUDE = 35;
private isAnimating: boolean = false;

constructor() {
this.lastMoveTime = Date.now();
this.timer = null;
Expand All @@ -25,7 +33,7 @@ class MouseJiggler {
} else if (mode === 'enable' && this.timer === null) {
this.timer = setInterval(() => {
this.timeoutCallback();
}, MOUSE_JIGGLER_INTERVAL / 5);
}, MOUSE_JIGGLER_CHECK_MS);
}
}

Expand All @@ -37,19 +45,63 @@ class MouseJiggler {
}

timeoutCallback(): void {
if (Date.now() - this.lastMoveTime > MOUSE_JIGGLER_INTERVAL) {
const idleThreshold = MOUSE_JIGGLER_MIN_IDLE + Math.random() * (MOUSE_JIGGLER_MAX_IDLE - MOUSE_JIGGLER_MIN_IDLE);
if (Date.now() - this.lastMoveTime > idleThreshold && !this.isAnimating) {
this.lastMoveTime = Date.now() - 1_000;
this.sendJiggle();
}
}

/**
* Draws 1 to almost-2 figure-8 (lemniscate) loops, never completing exactly
* 2 full loops so the pointer never ends up back at its starting position.
*/
async sendJiggle(): Promise<void> {
const report1 = this.mouseReport.buildReport(10, 10, 0);
const report2 = this.mouseReport.buildReport(-10, -10, 0);
this.isAnimating = true;

const totalDuration = 5_000 + Math.random() * 5_000; // 5-10 seconds
const amp = this.BASE_AMPLITUDE + (Math.random() - 0.5) * 12;
const vertical = Math.random() > 0.5;
// Range [FIGURE8_STEPS + 1, 2 * FIGURE8_STEPS - 1] = [25, 47]
const loopSteps = this.FIGURE8_STEPS + 1 + Math.random() * (this.FIGURE8_STEPS - 2);

// --- Helper: generate variable delays totaling exactly a budget ---
const generateDelays = (steps: number, budget: number, minDelay: number): number[] => {
const extra = budget - minDelay * steps;
const weights = Array.from({ length: steps }, () => Math.random());
const sum = weights.reduce((a, b) => a + b, 0);
return weights.map((w) => minDelay + (w / sum) * extra);
};

const figure8Delays = generateDelays(loopSteps, totalDuration, 20);

// --- Phase 1: draw figure-8 loop(s) ---
for (let i = 0; i < loopSteps; i++) {
const t = (this.figure8Step / this.FIGURE8_STEPS) * 2 * Math.PI;
const tNext = ((this.figure8Step + 1) / this.FIGURE8_STEPS) * 2 * Math.PI;

const sinT = amp * Math.sin(t);
const sin2T = (amp * Math.sin(2 * t)) / 2;
const sinTNext = amp * Math.sin(tNext);
const sin2TNext = (amp * Math.sin(2 * tNext)) / 2;

const x = vertical ? sin2T : sinT;
const y = vertical ? sinT : sin2T;
const xNext = vertical ? sin2TNext : sinTNext;
const yNext = vertical ? sinTNext : sin2TNext;

const dx = Math.round(xNext - x);
const dy = Math.round(yNext - y);

const report = this.mouseReport.buildReport(dx, dy, 0);
await device.sendMouseData([0x01, ...report]);

this.figure8Step = (this.figure8Step + 1) % this.FIGURE8_STEPS;
await new Promise((resolve) => setTimeout(resolve, figure8Delays[i]));
}

await device.sendKeyboardData([0x01, ...report1]);
await device.sendKeyboardData([0x01, ...report2]);
this.isAnimating = false;
}
}

export const mouseJiggler = new MouseJiggler();
export const mouseJiggler = new MouseJiggler();
67 changes: 59 additions & 8 deletions desktop/src/renderer/src/libs/mouse-jiggler/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,14 +1,22 @@
import { IpcEvents } from '@common/ipc-events'
import { MouseReportRelative } from '@renderer/libs/mouse'

const MOUSE_JIGGLER_INTERVAL = 15_000
const MOUSE_JIGGLER_CHECK_MS = 3_000
const MOUSE_JIGGLER_MIN_IDLE = 30_000
const MOUSE_JIGGLER_MAX_IDLE = 60_000

class MouseJiggler {
private lastMoveTime: number
private timer: NodeJS.Timeout | null
private mode: 'enable' | 'disable'
private mouseReport: MouseReportRelative

// Figure-8 (lemniscate) pattern state
private figure8Step: number = 0
private readonly FIGURE8_STEPS = 24
private readonly BASE_AMPLITUDE = 35
private isAnimating: boolean = false

constructor() {
this.lastMoveTime = Date.now()
this.timer = null
Expand All @@ -25,7 +33,7 @@ class MouseJiggler {
} else if (mode === 'enable' && this.timer === null) {
this.timer = setInterval(() => {
this.timeoutCallback()
}, MOUSE_JIGGLER_INTERVAL / 5)
}, MOUSE_JIGGLER_CHECK_MS)
}
}

Expand All @@ -37,19 +45,62 @@ class MouseJiggler {
}

timeoutCallback(): void {
if (Date.now() - this.lastMoveTime > MOUSE_JIGGLER_INTERVAL) {
const idleThreshold = MOUSE_JIGGLER_MIN_IDLE + Math.random() * (MOUSE_JIGGLER_MAX_IDLE - MOUSE_JIGGLER_MIN_IDLE)
if (Date.now() - this.lastMoveTime > idleThreshold && !this.isAnimating) {
this.lastMoveTime = Date.now() - 1_000
this.sendJiggle()
}
}

/**
* Draws 1 to almost-2 figure-8 (lemniscate) loops, never completing exactly
* 2 full loops so the pointer never ends up back at its starting position.
*/
async sendJiggle(): Promise<void> {
// Build reports directly using the report builder
const report1 = this.mouseReport.buildReport(10, 10, 0)
const report2 = this.mouseReport.buildReport(-10, -10, 0)
this.isAnimating = true

const totalDuration = 5_000 + Math.random() * 5_000 // 5-10 seconds
const amp = this.BASE_AMPLITUDE + (Math.random() - 0.5) * 12
const vertical = Math.random() > 0.5
// Range [FIGURE8_STEPS + 1, 2 * FIGURE8_STEPS - 1] = [25, 47]
const loopSteps = this.FIGURE8_STEPS + 1 + Math.random() * (this.FIGURE8_STEPS - 2)

// --- Helper: generate variable delays totaling exactly a budget ---
const generateDelays = (steps: number, budget: number, minDelay: number): number[] => {
const extra = budget - minDelay * steps
const weights = Array.from({ length: steps }, () => Math.random())
const sum = weights.reduce((a, b) => a + b, 0)
return weights.map((w) => minDelay + (w / sum) * extra)
}

const figure8Delays = generateDelays(loopSteps, totalDuration, 20)

// --- Phase 1: draw figure-8 loop(s) ---
for (let i = 0; i < loopSteps; i++) {
const t = (this.figure8Step / this.FIGURE8_STEPS) * 2 * Math.PI
const tNext = ((this.figure8Step + 1) / this.FIGURE8_STEPS) * 2 * Math.PI

const sinT = amp * Math.sin(t)
const sin2T = (amp * Math.sin(2 * t)) / 2
const sinTNext = amp * Math.sin(tNext)
const sin2TNext = (amp * Math.sin(2 * tNext)) / 2

const x = vertical ? sin2T : sinT
const y = vertical ? sinT : sin2T
const xNext = vertical ? sin2TNext : sinTNext
const yNext = vertical ? sinTNext : sin2TNext

const dx = Math.round(xNext - x)
const dy = Math.round(yNext - y)

const report = this.mouseReport.buildReport(dx, dy, 0)
await window.electron.ipcRenderer.invoke(IpcEvents.SEND_MOUSE, [0x01, ...report])

this.figure8Step = (this.figure8Step + 1) % this.FIGURE8_STEPS
await new Promise((resolve) => setTimeout(resolve, figure8Delays[i]))
}

await window.electron.ipcRenderer.invoke(IpcEvents.SEND_MOUSE, [0x01, report1])
await window.electron.ipcRenderer.invoke(IpcEvents.SEND_MOUSE, [0x01, report2])
this.isAnimating = false
}
}

Expand Down