Created
April 25, 2015 04:28
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セピアシェーダーを書いてみる ref: http://qiita.com/g-1/items/1d4a40d76decefd36342
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Shader "Sprites/Sepia" | |
{ | |
Properties | |
{ | |
[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {} | |
_Color ("Tint", Color) = (1,1,1,1) | |
[MaterialToggle] PixelSnap ("Pixel snap", Float) = 0 | |
} | |
SubShader | |
{ | |
Tags | |
{ | |
"Queue"="Transparent" | |
"IgnoreProjector"="True" | |
"RenderType"="Transparent" | |
"PreviewType"="Plane" | |
"CanUseSpriteAtlas"="True" | |
} | |
Cull Off | |
Lighting Off | |
ZWrite Off | |
Blend One OneMinusSrcAlpha | |
Pass | |
{ | |
CGPROGRAM | |
#pragma vertex vert | |
#pragma fragment frag | |
#pragma multi_compile _ PIXELSNAP_ON | |
#include "UnityCG.cginc" | |
struct appdata_t | |
{ | |
float4 vertex : POSITION; | |
float4 color : COLOR; | |
float2 texcoord : TEXCOORD0; | |
}; | |
struct v2f | |
{ | |
float4 vertex : SV_POSITION; | |
fixed4 color : COLOR; | |
half2 texcoord : TEXCOORD0; | |
}; | |
fixed4 _Color; | |
v2f vert(appdata_t IN) | |
{ | |
v2f OUT; | |
OUT.vertex = mul(UNITY_MATRIX_MVP, IN.vertex); | |
OUT.texcoord = IN.texcoord; | |
OUT.color = IN.color * _Color; | |
#ifdef PIXELSNAP_ON | |
OUT.vertex = UnityPixelSnap (OUT.vertex); | |
#endif | |
return OUT; | |
} | |
sampler2D _MainTex; | |
const float3 _mono = float3(0.298912, 0.586611, 0.114478); | |
const float3 _sepia = float3(1.07, 0.74, 0.43); | |
fixed4 frag(v2f IN) : SV_Target | |
{ | |
fixed4 c = tex2D(_MainTex, IN.texcoord) * IN.color; | |
c.rgb = dot(c.rgb, _mono) * c.a; | |
c.rgb *= _sepia; | |
return c; | |
} | |
ENDCG | |
} | |
} | |
} | |
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