Merge branch 'Xlinka:main' into main

ProjectObsidian/ProtoFlux/Users/UserFromUserRef.cs

@@ -14,6 +14,10 @@ public class UserFromUserRef : ObjectFunctionNode<FrooxEngineContext, User>
 
         protected override User Compute(FrooxEngineContext context)
         {
+            if (UserRef.Evaluate(context) == null)
+            {
+                return null;
+            }
             UserRef userRef = UserRef.Evaluate(context);
             return userRef.Target;
         }

ProjectObsidian/Shaders/ObsidianTestShader.shader

@@ -0,0 +1,49 @@
+Shader "ObsidianPlus/ObsidianTestShader"
+{
+    SubShader
+    {
+        // This shader renders objects with an opaque render type.
+        // It transforms vertex positions to clip space and calculates the view direction.
+        // The fragment shader outputs the view direction as the RGB color with alpha set to 1.
+        // Created by LeCloutPanda
+
+        Tags { "RenderType" = "Opaque" }
+        LOD 100
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct v2f
+            {
+                float2 uv : TEXCOORD0;
+                float4 vertex : SV_POSITION;
+                float3 viewDir : TEXCOORD3;
+            };
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.viewDir = normalize(WorldSpaceViewDir(v.vertex));
+                return o;
+            }
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+                return float4(i.viewDir, 1);
+            }
+            ENDCG
+        }
+    }
+}