ParticleSystemRenderer.normalDirection

描述

指定公告牌粒子使其法线朝向摄像机的程度。

将其设置为 0 可球体化公告牌法线。将其设置为 1 可使法线指向摄像机。

using UnityEngine;
using UnityEditor;
using System.Collections;

[RequireComponent(typeof(ParticleSystem))]
public class ExampleClass : MonoBehaviour {

    private ParticleSystem ps;
    private ParticleSystemRenderer psr;
    public float normalDirection = 1.0f;

    void Start() {

        ps = GetComponent<ParticleSystem>();
        psr = GetComponent<ParticleSystemRenderer>();

        psr.material = AssetDatabase.GetBuiltinExtraResource<Material>("Default-Diffuse.mat");
    }

    void Update() {

        psr.normalDirection = normalDirection;
    }

    void OnGUI() {

        normalDirection = GUI.HorizontalSlider(new Rect(25, 25, 100, 30), normalDirection, 0.0f, 1.0f);
    }
}