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=;
           }
           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