bb297bf84c
Created Lightning Gun effect (Uses LineRenderer, very slow) Created GPU Lightning renderer (very fast, still needs integration)
66 lines
1.3 KiB
Text
66 lines
1.3 KiB
Text
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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Shader "GPUTrail/StartEndColor" {
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Properties {
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[HDR]_StartColor("StartColor", Color) = (1,1,1,1)
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[HDR]_EndColor("EndColor", Color) = (0,0,0,1)
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}
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SubShader {
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Pass{
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Tags { "RenderType"="Opaque" }
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// Cull Off Fog { Mode Off }
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// ZWrite Off
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// Blend SrcAlpha One
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CGPROGRAM
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#pragma target 5.0
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#pragma shader_feature GPUTRAIL_TRAIL_INDEX_ON
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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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#include "GPUTrailVariables.cginc"
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#include "Assets/Shaders/Dither Functions.cginc"
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struct vs_out {
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float4 pos : SV_POSITION;
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float4 col : COLOR;
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float2 uv : TEXCOORD;
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float4 screenPos : TEXCOORD1;
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};
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vs_out vert (uint id : SV_VertexID, uint iId : SV_InstanceID)
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{
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vs_out Out;
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Vertex vtx = GetVertex(id, iId);
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Out.pos = UnityObjectToClipPos(float4(vtx.pos, 1.0));
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Out.uv = vtx.uv;
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Out.col = lerp(_EndColor, _StartColor, vtx.uv.x);
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Out.screenPos = ComputeScreenPos(float4(vtx.pos, 1.0));
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return Out;
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}
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fixed4 frag (vs_out In) : COLOR0
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{
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// Simple quadratic curve "texture"
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float x = 2 * In.uv.y - 1;
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float a = 1 - x * x;
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// Apply screen space dithering
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float2 screenUV = In.screenPos.xy / In.screenPos.w;
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ditherClip(screenUV, a);
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return In.col * a;
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}
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ENDCG
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}
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}
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Fallback Off
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}
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