Volumetric Light Shafts

Fake god rays with additive cone; adjust density and decay.

JavaScript (plain)

// Fake god rays: translucent cone mesh with additive blending
const cone = new THREE.Mesh(
  new THREE.ConeGeometry(0.6, 5, 32, 1, true),
  new THREE.MeshBasicMaterial({ color: 0xffeedd, transparent: true, opacity: 0.2, blending: THREE.AdditiveBlending })
)
scene.add(cone)

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