Version: 2017.2

ParticleSystem.MainModule.randomizeRotationDirection

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public float randomizeRotationDirection ;

描述

使一些粒子以相反的方向旋转。

设置为介于 0 与 1 之间的值,较高值会使较高比例的粒子以相反方向旋转。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { private ParticleSystem ps; public float hSliderValue = 0.0F;

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

var rot = ps.rotationOverLifetime; rot.enabled = true; rot.zMultiplier = 90.0f * Mathf.Deg2Rad;

var psr = GetComponent<ParticleSystemRenderer>(); psr.material = new Material(Shader.Find("Sprites/Default")); // this material renders a square billboard, so we can see the rotation }

void Update() { var main = ps.main; main.randomizeRotationDirection = hSliderValue; }

void OnGUI() { hSliderValue = GUI.HorizontalSlider(new Rect(25, 25, 100, 30), hSliderValue, 0.0F, 1.0F); } }