117 lines
2.7 KiB
Plaintext
117 lines
2.7 KiB
Plaintext
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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Shader "Game/RadialFill"
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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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_Angle("Angle", Range(0, 360)) = 0
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_Arc1("Arc Point 1", Range(0, 360)) = 15
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_Arc2("Arc Point 2", Range(0, 360)) = 15
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[MaterialToggle] PixelSnap ("Pixel snap", 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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Cull Off
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Lighting Off
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ZWrite Off
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Blend One OneMinusSrcAlpha
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma multi_compile _ PIXELSNAP_ON
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#include "UnityCG.cginc"
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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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};
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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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};
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fixed4 _Color;
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v2f vert(appdata_t IN)
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{
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v2f OUT;
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OUT.vertex = UnityObjectToClipPos(IN.vertex);
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OUT.texcoord = IN.texcoord;
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OUT.color = IN.color * _Color;
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#ifdef PIXELSNAP_ON
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OUT.vertex = UnityPixelSnap (OUT.vertex);
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#endif
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return OUT;
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}
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sampler2D _MainTex;
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sampler2D _AlphaTex;
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float _AlphaSplitEnabled;
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float _Angle;
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float _Arc1;
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float _Arc2;
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fixed4 SampleSpriteTexture (float2 uv)
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{
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fixed4 color = tex2D (_MainTex, uv);
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#if UNITY_TEXTURE_ALPHASPLIT_ALLOWED
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if (_AlphaSplitEnabled)
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color.a = tex2D (_AlphaTex, uv).r;
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#endif //UNITY_TEXTURE_ALPHASPLIT_ALLOWED
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return color;
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}
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fixed4 frag(v2f IN) : SV_Target
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{
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fixed4 c = SampleSpriteTexture (IN.texcoord) * IN.color;
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c.rgb *= c.a;
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//-------- Creating arc --------//
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// sector start/end angles
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float startAngle = _Angle - _Arc1;
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float endAngle = _Angle + _Arc2;
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// check offsets
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float offset0 = clamp(0, 360, startAngle + 360);
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float offset360 = clamp(0, 360, endAngle - 360);
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// convert uv to atan coordinates
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float2 atan2Coord = float2(lerp(-1, 1, IN.texcoord.x), lerp(-1, 1, IN.texcoord.y));
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float atanAngle = atan2(atan2Coord.y, atan2Coord.x) * 57.3; // angle in degrees, 180 / 3.1416 = 57.3
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// convert angle to 360 system
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if(atanAngle < 0) atanAngle = 360 + atanAngle;
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if(atanAngle >= startAngle && atanAngle <= endAngle) discard;
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if(atanAngle <= offset360) discard;
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if(atanAngle >= offset0) discard;
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return c;
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}
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ENDCG
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}
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}
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} |