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43 lines
790 B
43 lines
790 B
Shader "Hidden/RotatorNode"
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{
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Properties
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{
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_A ("_UVs", 2D) = "white" {}
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_B ("_Anchor", 2D) = "white" {}
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_C ("_RotTimeTex", 2D) = "white" {}
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}
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SubShader
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{
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Pass
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{
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CGPROGRAM
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#pragma vertex vert_img
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#pragma fragment frag
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#include "UnityCG.cginc"
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sampler2D _A;
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sampler2D _B;
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sampler2D _C;
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float _UsingEditor;
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float _EditorTime;
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float4 frag(v2f_img i) : SV_Target
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{
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float multiplier = tex2D ( _C, i.uv ).r;
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float time = _EditorTime*multiplier;
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if ( _UsingEditor == 0 )
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{
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time = multiplier;
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}
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float cosT = cos( time );
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float sinT = sin( time );
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float2 a = tex2D( _B, i.uv ).rg;
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return float4( mul( tex2D( _A, i.uv ).xy - a, float2x2( cosT, -sinT, sinT, cosT ) ) + a, 0, 1 );
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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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