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Fly type preset

Posted: Sat, 4th Apr 2009, 9:30pm

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Mike Q

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I want to try and create an effect of having a swarm of flies appearing and buzzing around for a while. I'm playing around with the particle engine but am not completely happy with what I've achieved so far. Does anyone know of a way to create this effect, and be able to explain how to achieve similar results. Thanks in advance for any help.
Posted: Sun, 5th Apr 2009, 3:13am

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Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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SuperUser

This might prove a bit tricky, in that its quite difficult to get particles in the Lab particle engine to not fly in a straight line. So while you could do a bunch of flies flying across the screen at various angles in straight lines, it may not prove to look quite as realistic as you would hope for.

To do that though, here's what I would try:

1. Use a rectangular emitter, and make sure it is larger than the canvas, and encompasses the entire canvas. Quite a bit larger might prove best.
2. Set the emitter angle to as wide as it can go. This will enable particle to fly in any and all directions.
3. Set the particle scale to quite small, to simulate the size of flies, and use several textures for variety. Better yet, create an animated series of textures (you can go up to 50), wherein the tiny speck of the bug flies around within the texture file. This would add a lot of randomness to their flight paths, for greater realism.
4. Make sure the speed randomizer is turned up a bit. Not a lot, but randomizing the speed slightly from one to the next will help alter the flight paths as well.

That's where I would start, but I've not actually tried this, so I'm not sure how good the results will be.
Posted: Sun, 5th Apr 2009, 1:47pm

Post 3 of 4

Mike Q

Force: 1340 | Joined: 20th Jan 2008 | Posts: 255

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Cheers axe, I'll give it a go. The flies moving in a straight line may not prove that much of as problem, as the effect is that of somebody having the flies emerge from their mouths, and chase after someone; kind of.
Posted: Sun, 5th Apr 2009, 3:57pm

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Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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SuperUser

Ah, in that case, you may not want to have a rectangular emitter larger than the screen. I had in mind just a normal swarm of flies. If they are actually originating from a specific point, then you can just put the emitter there.