144 lines
4.4 KiB
Plaintext
144 lines
4.4 KiB
Plaintext
// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)
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// Modified with rights for use in demonstration by Lou Garczynski
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Shader "Animate UI Material/Example"
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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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_OverlayTex ("Overlay", 2D) = "white" {}
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[HDR]_OverlayColor ("Overlay Color", Color) = (1, 1, 1, 1)
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_Scale ("Scale", Range(0, 2)) = 1
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_Rotation ("Rotation", Range(0, 360)) = 0
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_Offset ("Offset", Vector) = (0, 0, 0, 0)
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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 SrcAlpha 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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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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sampler2D _OverlayTex;
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float4 _OverlayColor;
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float _Scale;
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float _Rotation;
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float2 _Offset;
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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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OUT.worldPosition = v.vertex;
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OUT.vertex = UnityObjectToClipPos(OUT.worldPosition);
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OUT.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
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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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half4 color = (tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd) * IN.color;
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// Calculate the overlay texture coordinates and sample it
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float2 centeredUV = (IN.texcoord - 0.5)*2;
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float2 overlayUV = centeredUV * _Scale;
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float rad = _Rotation / 360 * 2 * UNITY_PI;
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float2 rotatedUV = float2(
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overlayUV.x * cos(rad) - overlayUV.y * sin(rad),
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overlayUV.x * sin(rad) + overlayUV.y * cos(rad)
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);
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float2 normalizedUV = rotatedUV / 2 + 0.5;
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float2 offsetUV = normalizedUV + float2(_Offset.x, _Offset.y);
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fixed4 overlay = tex2D(_OverlayTex, offsetUV) * _OverlayColor;
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// Blend the background and overlay textures
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color = lerp(color, overlay, overlay.a);
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#ifdef UNITY_UI_CLIP_RECT
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color.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect);
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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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return color;
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}
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ENDCG
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}
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}
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} |