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124 lines
3.6 KiB
Plaintext
124 lines
3.6 KiB
Plaintext
// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)
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Shader "Hidden/Fur-spinner-circle"
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{
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Properties {
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_MainTex ("Texture", Any) = "white" {}
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}
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CGINCLUDE
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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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#define PI 3.1415926
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struct appdata_t {
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float4 vertex : POSITION;
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fixed4 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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float4 vertex : SV_POSITION;
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fixed4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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float2 clipUV : TEXCOORD1;
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UNITY_VERTEX_OUTPUT_STEREO
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};
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sampler2D _MainTex;
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sampler2D _GUIClipTexture;
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uniform bool _ManualTex2SRGB;
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uniform float4 _MainTex_ST;
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uniform fixed4 _Color;
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uniform float4x4 unity_GUIClipTextureMatrix;
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uniform float _EditorTime;
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v2f vert (appdata_t v)
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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o.vertex = UnityObjectToClipPos(v.vertex);
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float3 eyePos = UnityObjectToViewPos(v.vertex);
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o.clipUV = mul(unity_GUIClipTextureMatrix, float4(eyePos.xy, 0, 1.0));
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o.color = v.color;
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o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
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return o;
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}
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const float Pi = 3.1415;
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const float Width = 0.001;
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static float4 Color_BackGround =float4(0, 0, 0, 0);
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static float4 Color_Ring1 = float4(207.0/255.0, 115.0/255.0, 229.0/255.0, 1.0);
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static float4 Color_Ring2 = float4(1.0, 133.0/255.0, 45.0/255.0, 1.0);
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static float4 Color_Ring3 = float4(153.0/255.0, 220.0/255.0, 81.0/255.0,1.0);
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static float4 Color_Ring4 = float4(90.0/255.0, 211.0/255.0, 172.0/255.0, 1.0);
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static float4 Color_Ring5 = float4(55.0/255.0, 210.0/255.0, 232.0/255.0, 1.0);
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float4 addRing(float4 Color, float4 ringColor,float2 Scaled, float t, float ringSize,float time){
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const float Tau = 2.0*Pi;
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float Length = length(Scaled);
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float Angle = atan2(Scaled.y,Scaled.x)+Pi;
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float Wave = fmod(time,Tau);
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float AngleDifference = abs(Wave-Angle);
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float DistanceToWave = min(AngleDifference,Tau-AngleDifference);
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float FinalMultiplier = pow(max(1.,DistanceToWave),-1.);
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float Ring1 = ringSize + 0.03*cos(Angle*2.0 +time)*FinalMultiplier;
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Color = lerp(Color,ringColor,smoothstep(Width+t,Width,abs(Ring1-Length)));
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return Color;
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}
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float4 frag (v2f i) : SV_Target
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{
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float2 Scaled = i.texcoord.xy + float2(-0.5, -0.5);
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float t = 0.007;
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float4 Color = Color_BackGround;
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Color = addRing(Color, Color_Ring1, Scaled, t, .40,_EditorTime * 2.25);
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Color = addRing(Color, Color_Ring2, Scaled, t, .395,_EditorTime * 2.5);
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Color = addRing(Color, Color_Ring3, Scaled, t, .39,_EditorTime * 2.75);
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Color = addRing(Color, Color_Ring4, Scaled, t, .385,_EditorTime * 3.0);
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Color = addRing(Color, Color_Ring5, Scaled, t, .38,_EditorTime * 3.25);
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return Color;
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}
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ENDCG
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SubShader {
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Lighting Off
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Blend SrcAlpha OneMinusSrcAlpha, One One
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Cull Off
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ZWrite Off
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ZTest Always
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Pass {
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CGPROGRAM
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ENDCG
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}
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}
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SubShader {
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Lighting Off
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Blend SrcAlpha OneMinusSrcAlpha
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Cull Off
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ZWrite Off
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ZTest Always
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Pass {
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CGPROGRAM
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ENDCG
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}
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}
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}
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