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PlumberUltimateAds/Assets/2DxFX/Resources/2dxfx_AL/_2dxFX_AL_Pixel8bitsBW.shader

110 lines
2.4 KiB
GLSL

//////////////////////////////////////////////
/// 2DxFX - 2D SPRITE FX - by VETASOFT 2016 //
/// http://unity3D.vetasoft.com/ //
//////////////////////////////////////////////
Shader "2DxFX/AL/Pixel8bitsBW"
{
Properties
{
[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
_Color("_Color", Color) = (1,1,1,1)
_Size("Size", Range(0,1)) = 0
_Offset("Offset", Range(0,1)) = 0
_Offset2("Offset2", Range(0,1)) = 0
_Alpha("Alpha", Range(0,1)) = 1.0
[HideInInspector]_SrcBlend("_SrcBlend", Float) = 0
[HideInInspector]_DstBlend("_DstBlend", Float) = 0
[HideInInspector]_BlendOp("_BlendOp",Float) = 0
[HideInInspector]_Z("_Z", Float) = 0
}
SubShader
{
Tags
{
"IgnoreProjector" = "True"
"RenderType" = "TransparentCutout"
"PreviewType" = "Plane"
"CanUseSpriteAtlas" = "True"
}
Cull Off
Lighting Off
ZWrite[_Z]
BlendOp[_BlendOp]
Blend[_SrcBlend][_DstBlend]
CGPROGRAM
#pragma surface surf Lambert vertex:vert nofog keepalpha addshadow fullforwardshadows
#pragma target 3.0
sampler2D _MainTex;
float4 _Color;
float _Size;
float _Offset;
float _Offset2;
float _Alpha;
struct Input
{
float2 uv_MainTex;
float4 color;
};
void vert(inout appdata_full v, out Input o)
{
v.vertex = UnityPixelSnap(v.vertex);
UNITY_INITIALIZE_OUTPUT(Input, o);
o.color = v.color * _Color;
}
float compare(float3 a, float3 b)
{
a = a*a*a;
b = b*b*b;
float3 diff = (a - b);
return dot(diff, diff);
}
inline float mod(float x, float modu)
{
return x - floor(x * (1.0 / modu)) * modu;
}
void surf(Input IN, inout SurfaceOutput o)
{
float2 q = IN.uv_MainTex;
float2 pixelSize = 64 * _Size;
float2 c = floor(q * pixelSize) / pixelSize;
float4 src4 = tex2D(_MainTex, c)* IN.color;
float3 src = src4.rgb*_Offset2;
float alpha = src4.a;
if (alpha<0.95) alpha = 0;
float3 dst0 = float3(0,0,0);
float3 dst1 = float3(0,0,0);
float best0 = 1e3;
float best1 = 1e3;
#define TCOLOR(R, G, B) { const float3 tst = float3(R, G, B); float err = compare(src, tst); if (err < best0) { best1 = best0; dst1 = dst0; best0 = err; dst0 = tst; } }
TCOLOR(0.98, 0.98, 0.98);
TCOLOR(0.03, 0.03, 0.03);
#undef TCOLOR
best0 = sqrt(best0); best1 = sqrt(best1);
float4 r = float4(mod(c.x + c.y, 2.0) >(1 + best1 / (best0 + best1)) ? dst1 : dst0, 1.0);
r.a = r.a*alpha*(1 - _Alpha);
o.Albedo = r.rgb * r.a;
o.Alpha = r.a;
clip(o.Alpha - 0.05);
}
ENDCG
}
Fallback "Sprites/Default"
}