Vdash Making A New Dash -p3- -

Only re-render changed elements:

export() return JSON.stringify(this.buffer);

requestAnimationFrame(renderLoop);

// Usage if (fuelLevel < 5) voiceAlert('Low fuel, pit next lap', 'high'); 7.1 Simulated Data Generator class Simulator constructor() this.time = 0; start() setInterval(() => this.time += 0.016; const simData = Speed: 50 + 40 * Math.sin(this.time * 2), RPM: 3000 + 2000 * Math.sin(this.time * 4), Fuel: 50 - this.time * 0.5 ; VDash.emit('data:update', simData); , 16);

let lastSpeed = 0, lastTime = 0; function predictSpeed() const now = performance.now(); const dt = (now - lastTime) / 1000; const acceleration = (currentSpeed - lastSpeed) / dt; const predicted = currentSpeed + acceleration * 0.05; // 50ms ahead lastSpeed = currentSpeed; lastTime = now; return predicted; VDash Making A New Dash -P3-

if (rpm >= this.thresholds[this.thresholds.length - 1]) this.blink();

function renderIfDirty() if (dirtyFlags.speed) updateSpeedDisplay(); if (dirtyFlags.rpm) updateRPMNeedle(); // Reset flags after render Only re-render changed elements: export() return JSON

// modules/telemetry.js VDash.module('telemetry', data: speed: 0, rpm: 0, gear: 'N' , init: function() this.subscribe('data:update', this.updateTelemetry); , updateTelemetry: function(data) this.data.speed = data.Speed; this.data.rpm = data.RPM; this.render(); , render: function() // Update DOM elements ); Use a central event bus for decoupled communication: