Description

Curve to define how much emitter velocity is applied during the lifetime of a particle.

#pragma strict
private var ps: ParticleSystem;
public var isEnabled: boolean = true;
public var hSliderValue: float = 5.0f;
public var inheritMode: ParticleSystemInheritVelocityMode;
function Start() {
	ps = GetComponent.<ParticleSystem>();
	var main: var = ps.main;
	main.simulationSpace = ParticleSystemSimulationSpace.World;
	// add a sphere so we can see our transform position as it moves
	var sphere: var = GameObject.CreatePrimitive(PrimitiveType.Sphere);
	sphere.transform.parent = ps.transform;
}
function Update() {
	var inheritVelocity: var = ps.inheritVelocity;
	inheritVelocity.enabled = isEnabled;
	inheritVelocity.curve = hSliderValue;
	inheritVelocity.mode = inheritMode;
	ps.transform.position = new Vector3(Mathf.Sin(Time.time * 2.0f) * 2.0f, 0.0f, 0.0f);
}
function OnGUI() {
	isEnabled = GUI.Toggle(new Rect(25, 45, 100, 30), isEnabled, "Enabled");
	hSliderValue = GUI.HorizontalSlider(new Rect(25, 85, 100, 30), hSliderValue, 0.0f, 10.0f);
	inheritMode = ParticleSystemInheritVelocityModeGUI.SelectionGrid(new Rect(25, 125, 300, 30), intinheritMode, [new GUIContent("Initial"), new GUIContent("Current")], 2);
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    private ParticleSystem ps;
    public bool isEnabled = true;
    public float hSliderValue = 5.0f;
    public ParticleSystemInheritVelocityMode inheritMode;

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

        var main = ps.main;
        main.simulationSpace = ParticleSystemSimulationSpace.World; // rate over distance only works for world space simulations

        // add a sphere so we can see our transform position as it moves
        var sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
        sphere.transform.parent = ps.transform;
    }

    void Update()
    {
        var inheritVelocity = ps.inheritVelocity;
        inheritVelocity.enabled = isEnabled;
        inheritVelocity.curve = hSliderValue;
        inheritVelocity.mode = inheritMode;

        ps.transform.position = new Vector3(Mathf.Sin(Time.time * 2.0f) * 2.0f, 0.0f, 0.0f);
    }

    void OnGUI()
    {
        isEnabled = GUI.Toggle(new Rect(25, 45, 100, 30), isEnabled, "Enabled");
        hSliderValue = GUI.HorizontalSlider(new Rect(25, 85, 100, 30), hSliderValue, 0.0f, 10.0f);
        inheritMode = (ParticleSystemInheritVelocityMode)GUI.SelectionGrid(new Rect(25, 125, 300, 30), (int)inheritMode, new GUIContent[] { new GUIContent("Initial"), new GUIContent("Current") }, 2);
    }
}

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ParticleSystem.InheritVelocityModule.curve

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ParticleSystem.InheritVelocityModule.curve

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