Vdash Making A New Dash -p3- May 2026

function renderIfDirty() if (dirtyFlags.speed) updateSpeedDisplay(); if (dirtyFlags.rpm) updateRPMNeedle(); // Reset flags after render

Only re-render changed elements:

const synth = window.speechSynthesis; function voiceAlert(message, priority = 'low') if (priority === 'high' && synth.speaking) synth.cancel(); VDash Making A New Dash -P3-

// Needle ctx.save(); ctx.translate(x, y); ctx.rotate(angle); ctx.beginPath(); ctx.moveTo(radius - 20, 0); ctx.lineTo(radius + 10, 0); ctx.lineWidth = 4; ctx.stroke(); ctx.restore(); function renderIfDirty() if (dirtyFlags

replay(dataArray, speed = 1.0) let index = 0; const interval = setInterval(() => if (index >= dataArray.length) clearInterval(interval); VDash.emit('data:update', dataArray[index++].data); , 1000 / 60 / speed); if (dirtyFlags.rpm) updateRPMNeedle()

requestAnimationFrame(renderLoop);