2DSpecular.shader

/*-------------------------------------------------

	System Designed,
	Code Written,
	by Kunihiro Sasakawa as [email protected]

-------------------------------------------------*/


Shader "SkyCircus/Frame/BokehShader" {
	Properties {
		_Color ("Color", Color) = (1,1,1)
        _X ("X", Float ) = 0.5
        _Y ("Y", Float ) = 0.5
	}
	SubShader {
        Pass{
            // Tags { "RenderType"="Opaque" }
            Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
            LOD 200
            Blend SrcAlpha OneMinusSrcAlpha 
            CGPROGRAM
            // Physically based Standard lighting model, and enable shadows on all light types
            // #pragma surface surf Standard vert:vertex
            #pragma vertex vert
            #pragma fragment frag
            
            // Use shader model 3.0 target, to get nicer looking lighting
            #pragma target 3.0
            #include "UnityCG.cginc"

            float4 vert ( appdata_base v ) : POSITION
            {
                return mul(UNITY_MATRIX_MVP, v.vertex);
            }
            fixed _X;
            fixed _Y;
            fixed3 _Color;

            fixed4 frag (float4 vertPos:WPOS) : COLOR
            {
                float3 p = _Color;
                float x = vertPos.x / _ScreenParams.x - _X;
                float y = vertPos.y / _ScreenParams.y - _Y;
                float a = x * y + 1;
                return float4(p * abs(a), 1 );
            }
            ENDCG
        }
    }
	FallBack "Diffuse"
}