Unity透明视频播放 所需的Shader脚本

Shader "Custom/ShaderMovie" 
{
Properties
{ 
       _MainTex("Color (RGB)", 2D) = "black" 
} 

  SubShader{ 
       Tags{ "Queue" = "Transparent" "RenderType" = "Transparent" } 

       CGPROGRAM 
       #pragma surface surf NoLighting alpha 

       fixed4 LightingNoLighting(SurfaceOutput s, fixed3 lightDir, fixed atten) { 
            fixed4 c; 
            c.rgb = s.Albedo; 
            c.a = s.Alpha; 
            return c; 
       } 

       struct Input 
       { 
            float2 uv_MainTex; 
       }; 

       sampler2D _MainTex; 

       void surf(Input IN, inout SurfaceOutput o)
        { 

            o.Emission = tex2D(_MainTex, IN.uv_MainTex).rgb;            
           if(IN.uv_MainTex.x >= 0.47)
           { 
              o.Alpha=0;
           }
           else
          { 
                
              o.Alpha = tex2D(_MainTex, float2(IN.uv_MainTex.x+0.5, IN.uv_MainTex.y)).rgb; 
            
          }
           
       } 

       ENDCG 
  } 
}

来源 ：https://blog.csdn.net/chuan403082010/article/details/76723894