Dust particles within a headlight

Graphics Shaders & Materials
1

Hi Guys, I am hoping that someone can help. I have created an Ellipsoid Particle Emitter that gives a convincing portrayal of dust within a headlight. Only problem is, I only want the particles to be visible within a light beam - the rest of the stage has a black ambience.

Many thanks in advance.

2

If you don’t want to manually set particle colour every frame based on location (which is perfectly possible using ParticleEmitter.particles), you might want to wait for Unity 3, which supports dynamic lights for particles.