公告牌粒子法线朝向摄像机的程度。
在设置为 0 时球体化公告牌法线,在设置为 1 时将它们指向摄像机。
using UnityEngine;
using UnityEditor;
using System.Collections;
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);
}
}