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Assets/BITKit/Unity/Shader/AlwaysOnTopURP.shader

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+// SomeShader.shader
+Shader "Custom/AlwaysOnTopURP"
+{
+    Properties
+    {
+        _BaseMap ("Texture", 2D) = "white" {}
+        _Color ("Color", Color) = (1,1,1,1)
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" "RenderQueue"="Geometry+1000" }
+        LOD 100
+
+        Blend SrcAlpha OneMinusSrcAlpha
+        ZWrite Off
+        ZTest Always
+
+        Pass
+        {
+            HLSLPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma multi_compile_fragment _ALPHAPREMULTIPLY_ON
+            #pragma multi_compile_fragment _ALPHAMODULATE_ON
+            #pragma multi_compile_fragment _ALPHATEST_ON
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct Varyings
+            {
+                float2 uv : TEXCOORD0;
+                float4 positionCS : SV_POSITION;
+            };
+
+            TEXTURE2D(_BaseMap);
+            SAMPLER(sampler_BaseMap);
+
+            float4 _BaseMap_ST;
+            float4 _Color;
+
+            Varyings vert(Attributes IN)
+            {
+                Varyings OUT;
+                OUT.uv = TRANSFORM_TEX(IN.uv, _BaseMap);
+                OUT.positionCS = TransformObjectToHClip(IN.positionOS.xyz);
+                return OUT;
+            }
+
+            half4 frag(Varyings IN) : SV_Target
+            {
+                half4 color = SAMPLE_TEXTURE2D(_BaseMap, sampler_BaseMap, IN.uv) * _Color;
+                return color;
+            }
+            ENDHLSL
+        }
+    }
+}

Assets/BITKit/Unity/Shader/ShaderGraph/Billboard.mat

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+    m_Colors:
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+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _SpecColor: {r: 0.19999996, g: 0.19999996, b: 0.19999996, a: 1}
+  m_BuildTextureStacks: []

Assets/BITKit/Unity/Shader/WireframeURP.shader

@@ -0,0 +1,64 @@
+Shader "Custom/WireframeURP"
+{
+    Properties
+    {
+        _MainTex ("Texture", 2D) = "white" {}
+        _LineColor("Line Color", Color) = (1, 1, 1, 1)
+        _BGColor("Background Color", Color) = (0, 0, 0, 0)
+        _LineWidth("Line Width", Range(0,0.1)) = 0.005
+    }
+
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" }
+        LOD 100
+
+        Pass
+        {
+            Name "Wireframe"
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma target 3.0
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float3 barycentric : TEXCOORD0; // Barycentric coordinates for wireframe
+            };
+
+            struct v2f
+            {
+                float2 uv : TEXCOORD0;
+                float3 barycentric : TEXCOORD1;
+                float4 vertex : SV_POSITION;
+            };
+
+            sampler2D _MainTex;
+            float4 _MainTex_ST;
+            float4 _LineColor;
+            float4 _BGColor;
+            float _LineWidth;
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.uv = v.barycentric.xy;
+                o.barycentric = v.barycentric;
+                return o;
+            }
+
+            half4 frag (v2f i) : SV_Target
+            {
+                half3 bary = i.barycentric;
+                bary = fwidth(bary) * _LineWidth + bary;
+                half mask = step(1, abs(bary.x) + abs(bary.y) + abs(bary.z));
+                half4 col = lerp(_LineColor, _BGColor, mask);
+                return col;
+            }
+            ENDCG
+        }
+    }
+}