139 lines
4.5 KiB
Plaintext
139 lines
4.5 KiB
Plaintext
Shader "BF/UI/BGFlow"
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{
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Properties
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{
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[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
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_Color ("Tint", Color) = (1,1,1,1)
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_StencilComp ("Stencil Comparison", Float) = 8
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_Stencil ("Stencil ID", Float) = 0
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_StencilOp ("Stencil Operation", Float) = 0
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_StencilWriteMask ("Stencil Write Mask", Float) = 255
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_StencilReadMask ("Stencil Read Mask", Float) = 255
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_ColorMask ("Color Mask", Float) = 15
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[Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
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}
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SubShader
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{
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Tags
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{
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"Queue"="Transparent"
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"IgnoreProjector"="True"
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"RenderType"="Transparent"
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"PreviewType"="Plane"
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"CanUseSpriteAtlas"="True"
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}
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Stencil
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{
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Ref [_Stencil]
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Comp [_StencilComp]
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Pass [_StencilOp]
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ReadMask [_StencilReadMask]
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WriteMask [_StencilWriteMask]
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}
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Cull Off
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Lighting Off
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ZWrite Off
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ZTest [unity_GUIZTestMode]
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Blend One OneMinusSrcAlpha
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ColorMask [_ColorMask]
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Pass
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{
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Name "Default"
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma target 2.0
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#include "UnityCG.cginc"
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#include "UnityUI.cginc"
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#pragma multi_compile_local _ UNITY_UI_CLIP_RECT
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#pragma multi_compile_local _ UNITY_UI_ALPHACLIP
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struct appdata_t
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{
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct v2f
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{
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float4 vertex : SV_POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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float4 worldPosition : TEXCOORD1;
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half4 mask : TEXCOORD2;
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float2 grey : TEXCOORD3;
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UNITY_VERTEX_OUTPUT_STEREO
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};
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sampler2D _MainTex;
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fixed4 _Color;
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fixed4 _TextureSampleAdd;
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float4 _ClipRect;
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float4 _MainTex_ST;
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float _UIMaskSoftnessX;
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float _UIMaskSoftnessY;
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v2f vert(appdata_t v)
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{
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v2f OUT;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
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float4 vPosition = UnityObjectToClipPos(v.vertex);
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OUT.worldPosition = v.vertex;
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OUT.vertex = vPosition;
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float2 pixelSize = vPosition.w;
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pixelSize /= float2(1, 1) * abs(mul((float2x2)UNITY_MATRIX_P, _ScreenParams.xy));
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float4 clampedRect = clamp(_ClipRect, -2e10, 2e10);
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float2 maskUV = (v.vertex.xy - clampedRect.xy) / (clampedRect.zw - clampedRect.xy);
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OUT.texcoord = v.texcoord.xy * _MainTex_ST.xy + _MainTex_ST.zw;
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OUT.mask = half4(v.vertex.xy * 2 - clampedRect.xy - clampedRect.zw, 0.25 / (0.25 * half2(_UIMaskSoftnessX, _UIMaskSoftnessY) + abs(pixelSize.xy)));
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int g_greyFactor = step(v.color.g, 0.001);
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int rb_greyFactor = step(1.999, v.color.r + v.color.b);
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int greyFactor = g_greyFactor * rb_greyFactor;
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OUT.grey = float2(greyFactor , 1 - greyFactor);
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OUT.color = v.color * _Color;
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return OUT;
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}
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fixed4 frag(v2f IN) : SV_Target
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{
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float offset = frac(_Time.y / 4);
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IN.texcoord.x += offset;
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IN.texcoord.y -= offset;
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half4 texColor = IN.color * (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd);
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half4 color = IN.color * texColor;
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float grey = dot(texColor.rgb, float3(0.299, 0.587, 0.114));
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color.rgb = float3(grey * IN.grey.x + color.r * IN.grey.y, grey * IN.grey.x + color.g * IN.grey.y, grey * IN.grey.x + color.b * IN.grey.y);
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#ifdef UNITY_UI_CLIP_RECT
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half2 m = saturate((_ClipRect.zw - _ClipRect.xy - abs(IN.mask.xy)) * IN.mask.zw);
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color.a *= m.x * m.y;
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#endif
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#ifdef UNITY_UI_ALPHACLIP
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clip (color.a - 0.001);
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#endif
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color.rgb *= color.a;
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return color;
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}
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ENDCG
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}
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}
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}
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