发射时粒子沿 X 轴的初始大小。
另请参阅:MinMaxCurve。
using UnityEngine;
using System.Collections;
public class ExampleClass : MonoBehaviour
{
private ParticleSystem ps;
public float hSliderValue = 1.0F;
void Start()
{
ps = GetComponent<ParticleSystem>();
var main = ps.main;
main.startSize3D = true;
}
void Update()
{
var main = ps.main;
main.startSizeX = hSliderValue;
}
void OnGUI()
{
hSliderValue = GUI.HorizontalSlider(new Rect(25, 45, 100, 30), hSliderValue, 0.0F, 10.0F);
}
}