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46 lines
1.3 KiB
Plaintext
46 lines
1.3 KiB
Plaintext
Shader "FluidDynamics/MatRenderer"
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{
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Properties
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{
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_MainTex ("MainTexture", 2D) = "white" {}
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}
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SubShader
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{
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Blend SrcAlpha OneMinusSrcAlpha
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ZWrite Off
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Tags {"Queue" = "Transparent" }
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Pass
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{
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ZTest LEqual
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CGPROGRAM
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#include "UnityCG.cginc"
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#pragma target 4.5
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#pragma vertex vert
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#pragma fragment frag
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StructuredBuffer<float> _Particles;
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StructuredBuffer<float4> _ColourRamp;
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float2 _Size;
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struct v2f
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{
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float4 pos : SV_POSITION;
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float2 uv : TEXCOORD0;
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};
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v2f vert(appdata_base v)
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{
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v2f OUT;
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OUT.pos = UnityObjectToClipPos(v.vertex);
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OUT.uv = v.texcoord.xy;
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return OUT;
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}
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float4 frag(v2f IN) : COLOR
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{
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int x = (int)(IN.uv.x*_Size.x);
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int y = (int)(IN.uv.y*_Size.y);
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return _ColourRamp[clamp(_Particles[y*_Size.x + x], 0.0, 255.0)];
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}
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ENDCG
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}
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}
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Fallback "Diffuse"
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} |