Created
October 30, 2018 16:17
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| Shader "UI/BoxScaleWave" | |
| { | |
| Properties | |
| { | |
| _SplitCount("SplitCount", int) = 1 | |
| _OriginX("Origin X", Range(0, 1)) = 0 | |
| _OriginY("Origin Y", Range(0, 1)) = 0 | |
| [PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {} | |
| _Color ("Tint", Color) = (1,1,1,1) | |
| _StencilComp ("Stencil Comparison", Float) = 8 | |
| _Stencil ("Stencil ID", Float) = 0 | |
| _StencilOp ("Stencil Operation", Float) = 0 | |
| _StencilWriteMask ("Stencil Write Mask", Float) = 255 | |
| _StencilReadMask ("Stencil Read Mask", Float) = 255 | |
| _ColorMask ("Color Mask", Float) = 15 | |
| [Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0 | |
| } | |
| SubShader | |
| { | |
| Tags | |
| { | |
| "Queue"="Transparent" | |
| "IgnoreProjector"="True" | |
| "RenderType"="Transparent" | |
| "PreviewType"="Plane" | |
| "CanUseSpriteAtlas"="True" | |
| } | |
| Stencil | |
| { | |
| Ref [_Stencil] | |
| Comp [_StencilComp] | |
| Pass [_StencilOp] | |
| ReadMask [_StencilReadMask] | |
| WriteMask [_StencilWriteMask] | |
| } | |
| Cull Off | |
| Lighting Off | |
| ZWrite Off | |
| ZTest [unity_GUIZTestMode] | |
| Blend SrcAlpha OneMinusSrcAlpha | |
| ColorMask [_ColorMask] | |
| Pass | |
| { | |
| Name "Default" | |
| CGPROGRAM | |
| #pragma vertex vert | |
| #pragma fragment frag | |
| #pragma target 2.0 | |
| #include "UnityCG.cginc" | |
| #include "UnityUI.cginc" | |
| #include "Common.cginc" | |
| #pragma multi_compile __ UNITY_UI_CLIP_RECT | |
| #pragma multi_compile __ UNITY_UI_ALPHACLIP | |
| struct appdata_t | |
| { | |
| float4 vertex : POSITION; | |
| float4 color : COLOR; | |
| float2 texcoord : TEXCOORD0; | |
| UNITY_VERTEX_INPUT_INSTANCE_ID | |
| }; | |
| struct v2f | |
| { | |
| float4 vertex : SV_POSITION; | |
| fixed4 color : COLOR; | |
| float2 texcoord : TEXCOORD0; | |
| float4 worldPosition : TEXCOORD1; | |
| UNITY_VERTEX_OUTPUT_STEREO | |
| }; | |
| sampler2D _MainTex; | |
| fixed4 _Color; | |
| fixed4 _TextureSampleAdd; | |
| float4 _ClipRect; | |
| float4 _MainTex_ST; | |
| int _SplitCount; | |
| float _OriginX; | |
| float _OriginY; | |
| v2f vert(appdata_t v) | |
| { | |
| v2f OUT; | |
| UNITY_SETUP_INSTANCE_ID(v); | |
| UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT); | |
| OUT.worldPosition = v.vertex; | |
| OUT.vertex = UnityObjectToClipPos(OUT.worldPosition); | |
| OUT.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex); | |
| OUT.color = v.color * _Color; | |
| return OUT; | |
| } | |
| float wave(float2 st, float n) | |
| { | |
| st = (floor(st * n) + float2(_OriginX, _OriginY)) / n; | |
| float d = distance(float2(_OriginX, _OriginY), st); | |
| return sin(-d + _Time.y * 2) * 1.5; | |
| } | |
| float box(float2 st, float size) | |
| { | |
| size = 0.5 + size * 0.5; | |
| st = step(st, size) * step(1.0 - st, size); | |
| return st.x * st.y; | |
| } | |
| fixed4 frag(v2f IN) : SV_Target | |
| { | |
| half4 color = (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd) * IN.color; | |
| #ifdef UNITY_UI_CLIP_RECT | |
| color.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect); | |
| #endif | |
| #ifdef UNITY_UI_ALPHACLIP | |
| clip (color.a - 0.001); | |
| #endif | |
| float2 st = frac(IN.texcoord * _SplitCount); | |
| float size = wave(IN.texcoord, _SplitCount); | |
| color.a = box(st, size); | |
| return color; | |
| } | |
| ENDCG | |
| } | |
| } | |
| } |
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