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| − | The following shader assumes that you have mesh.uv1 set to barycentric uvs. You can set the line width, line color, and grid color.
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| − | ==C#==
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| − | <csharp>
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| − | public Vector2[] GetBarycentricFixed()
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| − | {
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| − | Vector2[] uvs =
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| − | new Vector2[4];
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| − |
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| − | const int topLeft = 0;
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| − | const int topRight = 1;
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| − | const int bottomLeft = 2;
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| − | const int bottomRight = 3;
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| − |
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| − | uvs[topLeft] = new Vector2(0,0);
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| − | uvs[topRight] = new Vector2(1,0);
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| − | uvs[bottomLeft] = new Vector2(0,1);
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| − | uvs[bottomRight] = new Vector2(1,1);
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| − |
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| − | return uvs;
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| − | }
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| − | </csharp>
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| − |
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| − | ==ShaderLab - BarycentricWireframeUv1.shader==
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| − | <shaderlab>
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| − | Shader "BarycentricWireframeUv1" {
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| − | Properties {
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| − | _LineColor ("Line Color", Color) = (1,1,1,1)
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| − | _GridColor ("Grid Color", Color) = (0,0,0,0)
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| − | _LineWidth ("Line Width", float) = 0.1
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| − | }
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| − | SubShader {
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| − | Pass {
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| − |
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| − | CGPROGRAM
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| − |
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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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| − |
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| − | uniform float4 _LineColor;
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| − | uniform float4 _GridColor;
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| − | uniform float _LineWidth;
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| − |
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| − | // vertex input: position, uv1, uv2
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| − | struct appdata {
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| − | float4 vertex : POSITION;
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| − | float4 texcoord1 : TEXCOORD1;
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| − | float4 color : COLOR;
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| − | };
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| − |
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| − | struct v2f {
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| − | float4 pos : POSITION;
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| − | float4 texcoord1 : TEXCOORD1;
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| − | float4 color : COLOR;
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| − | };
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| − |
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| − | v2f vert (appdata v) {
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| − | v2f o;
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| − | o.pos = mul( glstate.matrix.mvp, v.vertex);
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| − | o.texcoord1 = v.texcoord1;
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| − | o.color = v.color;
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| − | return o;
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| − | }
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| − |
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| − | float4 frag(v2f i ) : COLOR
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| − | {
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| − | if (i.texcoord1.x < _LineWidth ||
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| − | i.texcoord1.y < _LineWidth)
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| − | {
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| − | return _LineColor;
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| − | }
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| − |
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| − | if ((i.texcoord1.x - i.texcoord1.y) < _LineWidth &&
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| − | (i.texcoord1.y - i.texcoord1.x) < _LineWidth)
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| − | {
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| − | return _LineColor;
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| − | }
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| − | else
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| − | {
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| − | return _GridColor;
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| − | }
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| − | }
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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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| − | Fallback "Vertex Colored", 1
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| − | }
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| − | </shaderlab>
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