     # Render particles to the LEDs
     client.mapParticles particles, model
 
-setInterval draw, 10
+setInterval draw, 5

            x += wobbleAmp * Math.cos lfoAngle
            y += wobbleAmp * Math.sin lfoAngle

        # Use the XZ plane
        p.point = [x, 0, y]

        p.life -= timeStep / particleLifetime


            lfoAngle = midiToAngle key

            # Amplitude starts with left hand velocity
            wobbleAmp = Math.pow(note.velocity / 100, 2.0) * 12.0

            # Scale based on particle fuzziness
            wobbleAmp /= p.falloff

            # Fade over time
            wobbleAmp /= 1 + age
