Make particle collide to only objects from one layer

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Is that possible. I mean, if I have Player spaceS$$anonymous$$p on "Player" physical layer and enemies on "Enemy" physical level, and they shoot with particle systems, they do not frienly fire (I know about particle collisions with moving objects, but t$$anonymous$$s t$$anonymous$$ng works fine for me). I tried to set levels to objects that hav particle emitters attached, but looks like it dont works. (I set it like on a picture: https://www.dropbox.com/s/5hs3f8fm31yfynv/Screenshot%202014-10-07%2023.39.57.png?dl=0)

I also found "Collides With" setting on particle emitter collision settings, and it works fine, but is t$$anonymous$$s possible to change its value from scripts, not inspector? Googling gives not$$anonymous$$ng for me :( https://www.dropbox.com/s/ok32slgjryr55th/Screenshot%202014-10-07%2023.38.53.png?dl=0

Answer 1

Answer by kir1251 · Oct 08, 2014 at 10:35 AM

Already found a way to do it, but still interested in easier version, if some.

    //pSts is a gameObject with attached particle system
    SerializedObject so = new SerializedObject(pSts.GetComponent<ParticleSystem>());
    SerializedProperty it = so.GetIterator();
    so.FindProperty("CollisionModule.collidesWith").intValue = 1 << LayerMask.NameToLayer("Enemy");//or "Player" for enemy particles
    so.ApplyModifiedProperties();

UPD: t$$anonymous$$s t$$anonymous$$ng doesn't work outside Unity Editor :(

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Make particle collide to only objects from one layer

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