VertexColorShader.shader

Shader "doeslab/VertexColorShader"
{
 Properties
 {
 _MainTex ("Texture", 2D) = "white" {}
 }
 SubShader
 {
 Tags { "RenderType"="Opaque" }
 LOD 100
 
 Pass
 {
 CGPROGRAM
  
 #pragma vertex vert
 #pragma fragment frag
 // make fog work
 #pragma multi_compile_fog
  
 #include "UnityCG.cginc"
 
 struct appdata
 {
 float4 vertex : POSITION;
 float2 uv : TEXCOORD0;
 float4 col:COLOR;
 };
 
 struct v2f
 {
 float2 uv : TEXCOORD0;
 UNITY_FOG_COORDS(1)
 float4 vertex : SV_POSITION;
 float4 col:COLOR;
 float4 screenPos : TEXCOORD1;
 };
 
 sampler2D _MainTex;
 float4 _MainTex_ST;
  
 v2f vert (appdata v)
 {
 v2f o;
 o.vertex = UnityObjectToClipPos(v.vertex);
 o.uv = TRANSFORM_TEX(v.uv, _MainTex);
 o.col = v.col;
 o.screenPos = ComputeScreenPos(o.vertex);
 UNITY_TRANSFER_FOG(o,o.vertex); 
 return o;
 }
  
 fixed4 frag (v2f i) : SV_Target
 {
 // sample the texture
 fixed4 col = i.col; //tex2D(_MainTex, i.uv);
  
  
 // Screen-door transparency: Discard pixel if below threshold. 
 float4x4 thresholdMatrix = 
 { 1.0 / 17.0, 9.0 / 17.0, 3.0 / 17.0, 11.0 / 17.0, 
 13.0 / 17.0, 5.0 / 17.0, 15.0 / 17.0, 7.0 / 17.0, 
 4.0 / 17.0, 12.0 / 17.0, 2.0 / 17.0, 10.0 / 17.0, 
 16.0 / 17.0, 8.0 / 17.0, 14.0 / 17.0, 6.0 / 17.0
 }; 
 float4x4 _RowAccess = { 1,0,0,0, 0,1,0,0, 0,0,1,0, 0,0,0,1 }; 
 float2 pos = i.screenPos.xy / i.screenPos.w; 
 pos *= _ScreenParams.xy; // pixel position 
 //pos.x += (fmod(pos.x, 6)<1)*1;
 //pos.x *= 1.1;
 clip(i.col.a - thresholdMatrix[fmod(pos.x, 4)] * _RowAccess[fmod(pos.y, 4)]); 
 
  
  
 // apply fog
 UNITY_APPLY_FOG(i.fogCoord, col);
 return col;
 }
 ENDCG
 }
 }
}