118 lines
2.3 KiB
Plaintext
118 lines
2.3 KiB
Plaintext
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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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Shader "Projector/Custom" {
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Properties{
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_ShadowTex("Cookie", 2D) = "gray" {}
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_RangeRadiu("Radiu",Range(0,0.5)) = 0.2
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_RangeAngle("Angle",Range(0,180)) = 60
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_LineW1("LineW",Range(0,0.5)) = 0.1
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_LineW2("LineW",Range(0,0.1)) = 0.01
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_LineColor("LineColor",Color) = (1,0,0,1)
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_Forword("Forword",Vector) = (0,0,0,0)
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_Type("Type",Int) = 1
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}
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Subshader{
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Tags{ "Queue" = "Transparent" }
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Pass{
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ZWrite Off
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ColorMask RGB
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Blend SrcAlpha OneMinusSrcAlpha
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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struct v2f {
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float2 uvShadow : TEXCOORD0;
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float4 pos : SV_POSITION;
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};
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float4x4 unity_Projector;
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float4x4 unity_ProjectorClip;
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v2f vert(float4 vertex : POSITION)
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{
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v2f o;
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o.pos = UnityObjectToClipPos(vertex);
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o.uvShadow = mul(unity_Projector, vertex);
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return o;
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}
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sampler2D _ShadowTex;
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float _RangeRadiu;
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float _RangeAngle;
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float _LineW1;
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float _LineW2;
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float4 _LineColor;
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float4 _Forword;
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int _Type; //<2F>Ƿ<EFBFBD><C7B7><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD>вü<D0B2>
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fixed4 frag(v2f i) : SV_Target
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{
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fixed4 texS = tex2D(_ShadowTex, i.uvShadow);
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fixed4 res = texS;
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if (_Type <= 0)
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return res;
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float2 center = float2(0.5, 0.5);
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float dis = distance(i.uvShadow, center);
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float2 dir = float2(i.uvShadow.x - 0.5,i.uvShadow.y - 0.5);
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float2 centerDir = float2(_Forword .x-0.5, _Forword .y-0.5);
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float angle = dot(dir, centerDir)/(length(dir)*length(centerDir));
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float angleMax = cos(radians(_RangeAngle));
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if (dis < _RangeRadiu)
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{
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res = fixed4(0, 0, 0, 0);
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}
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else
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{
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if (dis >= _RangeRadiu && dis < _RangeRadiu + _LineW1)
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{
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if (angle > angleMax)
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{
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res = _LineColor;
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}
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else
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{
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res = fixed4(0, 0, 0, 0);
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}
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}
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else
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{
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if (dis >= _RangeRadiu + _LineW1 && dis < 0.5- _LineW1)
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{
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if (angle > angleMax && angle < angleMax+ _LineW2)
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{
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res = _LineColor;
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}
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else
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{
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if(angle <= angleMax)
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res = fixed4(0, 0, 0, 0);
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}
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}
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else
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{
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if (dis >= 0.5- _LineW1 && dis <0.5)
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{
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if (angle > angleMax)
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{
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res = _LineColor;
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}
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else
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{
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res = fixed4(0, 0, 0, 0);
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}
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}
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}
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}
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}
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return res;
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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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