>>350129608
>follows the head
That's why you're having trouble. Your avatar's head shrinks down so you can't see it in first person. Collision with everything will also hit the player pill so make sure you change that to one of the proper layers. Also add a spot light that matches the beam so you get your dot on your target. Particles should just be the dust particles you can see through the beam so give them a tube around the beam that causes them to die when outside it or when they collide with anything then make the shape of the emitter a long tube the same size as the tube and allow the particles to spawn randomly through it with some gravity and noise to make them look like floating dust.