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Question by handsomePATT · Aug 14, 2011 at 07:10 PM · shader

First Shader Help. Show An Object Behind Another Object

Hey this is my first experience with shaders. What Im trying to accomplish is being able to see the object behind other objects. So far I do have that, but it also displays the white around the texture Im using. Its just a plane with a texture on it by the way. As you can see from the image below you can see it even though it is behind the cube, I just need to get rid of that white around the texture.

125alt text125

and this is the code im using

 Shader "MyShader" {
 Properties {
     _Color ("Main Color", Color) = (1,1,1,1)
     _MainTex ("Base (RGB) Trans (A)", 2D) = "white" {}
 }
 
 SubShader {
     Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
     LOD 200
 
 CGPROGRAM
 #pragma surface surf Lambert alpha
 
 sampler2D _MainTex;
 fixed4 _Color;
 
 struct Input {
     float2 uv_MainTex;
 };
 
 void surf (Input IN, inout SurfaceOutput o) {
     fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
     o.Albedo = c.rgb;
     o.Alpha = c.a;
 }
 ENDCG
 }
 
 Category 
     {
         SubShader 
         { 
             Tags { "Queue"="Transparent" "RenderType"="Transparent"}
 
             Pass
             {
                 ZTest Greater
                 Lighting Off
                 
                 SetTexture [_MainTex]
             }
             
             Pass 
             {
                 ZTest Less          
                 SetTexture [_MainTex]
             }
 
             
         }
     }
 
 Fallback "Transparent/VertexLit"
 }


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