ParticleSystem.CollisionModule.collidesWith

Description

Control which layers this particle system collides with.

See Also: LayerMask.

no example available in JavaScript

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {

	private ParticleSystem ps;
	public bool layerToggle;
	private readonly int layer0 = 0;
	private readonly int layer1 = 1;

	void Start() {
		ps = GetComponent<ParticleSystem>();

		var main = ps.main;
		main.startColor = Color.red;

		var shape = ps.shape;
		shape.shapeType = ParticleSystemShapeType.Sphere;

		var collision = ps.collision;
		collision.enabled = true;
		collision.type = ParticleSystemCollisionType.World;
		collision.mode = ParticleSystemCollisionMode.Collision3D;
		collision.bounce = 0.0f;

		var collider1 = GameObject.CreatePrimitive(PrimitiveType.Sphere);
		collider1.transform.parent = ps.transform;
		collider1.transform.localPosition = new Vector3(0.0f, 0.0f, 13.0f);
		collider1.transform.localScale = new Vector3(20.0f, 20.0f, 20.0f);
		collider1.layer = layer0;

		var collider2 = GameObject.CreatePrimitive(PrimitiveType.Sphere);
		collider2.transform.parent = ps.transform;
		collider2.transform.localPosition = new Vector3(0.0f, 0.0f, -13.0f);
		collider2.transform.localScale = new Vector3(20.0f, 20.0f, 20.0f);
		collider2.layer = layer1;
	}

	void Update() {
		var collision = ps.collision;
		collision.collidesWith = layerToggle ? (1 << layer0) : (1 << layer1);
	}

	void OnGUI() {
		layerToggle = GUI.Toggle(new Rect(25, 40, 100, 30), layerToggle, "Toggle Layer");
	}
}