Version: 2020.2
public Vector2 range ;

描述

设置最小与最大速度,此模块在此范围内应用大小曲线。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { private ParticleSystem ps; public float hSliderValue = 1.0f;

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

var sizeBySpeed = ps.sizeBySpeed; sizeBySpeed.enabled = true;

AnimationCurve curve = new AnimationCurve(); curve.AddKey(0.0f, 0.0f); curve.AddKey(1.0f, 1.0f);

sizeBySpeed.size = new ParticleSystem.MinMaxCurve(1.0f, curve); sizeBySpeed.range = new Vector2(0.9f, 5.0f);

var psr = GetComponent<ParticleSystemRenderer>(); psr.material = new Material(Shader.Find("Sprites/Default")); // this material renders a square billboard, making it easier to see the size }

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

void OnGUI() { hSliderValue = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValue, 1.0f, 5.0f); } }
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