Function playHeartbeatEffect

playHeartbeatEffect(
    scene: Scene,
    material: StandardMaterial,
    boostFactor?: number,
    durationFrames?: number,
): void
Play a single heartbeat pulse on material.

Temporarily boosts the emissive brightness by boostFactor, then restores it over durationFrames frames.
Parameters
- scene: Scene
  The active Babylon.js scene.
- material: StandardMaterial
  The material to pulse.
- boostFactor: number = 2.5
  Emissive multiplier at peak (default 2.5).
- durationFrames: number = 30
  Total frames for the pulse (default 30).
Returns void
- Defined in scene/effects/HeartbeatEffect.ts:22