VisualEffect.SendEvent

参数

描述

使用此方法发送指定的自定义事件。

// The following example triggers the default visual effect play event once every second.
using UnityEngine;
using UnityEngine.VFX;
public class SendEventExample : MonoBehaviour
{
    public VisualEffect m_VisualEffect;
    private float m_Waiting = 1.0f;

    private void Update()
    {
        if (m_VisualEffect)
        {
            m_Waiting -= Time.deltaTime;
            if (m_Waiting < 0.0f)
            {
                m_Waiting = 1.0f;
                m_VisualEffect.SendEvent(VisualEffectAsset.PlayEventID);
            }
        }
    }
}

// The following example triggers multiple events during the same frame every second.
using UnityEngine;
using UnityEngine.VFX;

public class SendEventExample : MonoBehaviour
{
    public VisualEffect m_VisualEffect;
    private float m_Waiting = 1.0f;
    private int m_SpawnCountIdentifier;
    private int m_ColorIdentifier;
    private int m_EventNameIdentifier;

    private void Start()
    {
        m_SpawnCountIdentifier = Shader.PropertyToID("spawnCount");
        m_ColorIdentifier = Shader.PropertyToID("color");
        m_EventNameIdentifier = Shader.PropertyToID("direct");
    }

    private void Update()
    {
        if (m_VisualEffect)
        {
            m_Waiting -= Time.deltaTime;
            if (m_Waiting < 0.0f)
            {
                m_Waiting = 1.0f;
                var eventAttribute = m_VisualEffect.CreateVFXEventAttribute();
                // Red
                eventAttribute.SetFloat(m_SpawnCountIdentifier, 1);
                eventAttribute.SetVector3(m_ColorIdentifier, new Vector3(1, 0, 0));
                m_VisualEffect.SendEvent(m_EventNameIdentifier, eventAttribute);
                // Blue
                eventAttribute.SetFloat(m_SpawnCountIdentifier, 3);
                eventAttribute.SetVector3(m_ColorIdentifier, new Vector3(0, 0, 1));
                m_VisualEffect.SendEvent(m_EventNameIdentifier, eventAttribute);
                // Green
                eventAttribute.SetFloat(m_SpawnCountIdentifier, 2);
                eventAttribute.SetVector3(m_ColorIdentifier, new Vector3(0, 1, 0));
                m_VisualEffect.SendEvent(m_EventNameIdentifier, eventAttribute);
            }
        }
    }
}