Version: 2017.3
public bool applyShapeToPosition ;

Description

When overriding the position of particles, setting this flag to true allows you to retain the influence of the shape module.

With this flag set to false, the position specified is the exact position where particles will spawn from, and the shape module is ignored. See Also: ParticleSystem.EmitParams.position.

using UnityEngine;

// In this example we have a particle system emitting aligned particles; we then emit and override the position every 2 seconds. public class ExampleClass : MonoBehaviour { private ParticleSystem system;

void Start() { // A simple particle material with no texture. Material particleMaterial = new Material(Shader.Find("Particles/Alpha Blended Premultiply"));

// Create a particle system. var go = new GameObject("Particle System"); go.transform.Rotate(-90, 0, 0); // Rotate so the system emits upwards. system = go.AddComponent<ParticleSystem>(); go.GetComponent<ParticleSystemRenderer>().material = particleMaterial;

// Every 2 seconds we will emit. InvokeRepeating("DoEmit", 2.0f, 2.0f); }

void DoEmit() { // Any parameters we assign in emitParams will override the current system's when we call Emit. // Here we will override the position. All other parameters will use the behavior defined in the Inspector. var emitParams = new ParticleSystem.EmitParams(); emitParams.position = new Vector3(-5.0f, 0.0f, 0.0f); emitParams.applyShapeToPosition = true; system.Emit(emitParams, 10); } }
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