Unity3D中实现模型渐隐渐现效果的虚拟仿真技术

一、前言

最近项目上要实现一个模型渐隐渐现的效果，研究了一下，分享出来。

这个主要是用到了Shader（但不用学）和DoTween动画插件。

文中示例代码简单明了，感兴趣的小伙伴可以参考一下。

二、效果展示及源码下载

【虚拟仿真】Unity3D中模型的渐隐渐现效果实现_虚拟仿真

三、正文

界面没啥好说的：

【虚拟仿真】Unity3D中模型的渐隐渐现效果实现_虚拟仿真_02

代码：

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using DG.Tweening;using System.Collections.Generic;using UnityEngine;
using UnityEngine.UI;public class TestDissolve : MonoBehaviour{    public GameObject model;    
private List<Material> materials = new List<Material>();    public Button Btn_FadeOut;    
public Button Btn_FadeInt;    private void Start()    {        //获取材质        GetMeterials();        
Btn_FadeOut.onClick.AddListener(FadeOut);        Btn_FadeInt.onClick.AddListener(FadeIn);    
}    private void GetMeterials()    {        Material[] materals;        
MeshRenderer[] meshRendererer = model.GetComponentsInChildren<MeshRenderer>();        
foreach (var item in meshRendererer)        {            materals = item.materials;            
foreach (Material m in materals)            {                if (!materials.Contains(m))                
{                    materials.Add(m);                }            }        }        
for (int i = 0; i < materials.Count; i++)        {            Material m = materials[i];            
m.SetInt("_SrcBlend", (int)UnityEngine.Rendering.BlendMode.SrcAlpha);            
m.SetInt("_DstBlend", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);            
m.SetInt("_ZWrite", 0);            m.DisableKeyword("_ALPHATEST_ON");            
m.EnableKeyword("_ALPHABLEND_ON");            m.DisableKeyword("_ALPHAPREMULTIPLY_ON");            
m.renderQueue = 3000;        }    }    private void FadeOut()    {        
for (int i = 0; i < materials.Count; i++)        {            Material m = materials[i];            
Color color = m.color;            m.DOColor(new Color(color.r, color.g, color.b, 0), 3f);        
}    }    private void FadeIn()    {        for (int i = 0; i < materials.Count; i++)        
{            Material m = materials[i];            Color color = m.color;            
m.DOColor(new Color(color.r, color.g, color.b,1), 3f);        }    }}1.2.3.4.5.6.7.8.9.10.11.12.13.14.
15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.
49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.

效果：

【虚拟仿真】Unity3D中模型的渐隐渐现效果实现_虚拟仿真