deltavr multiplayer 2.0

Assets/Oculus/SampleFramework/Usage/SceneManager/Shaders/OverwriteAlpha.shader

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+// clang-format off
+Shader "Unlit/OverwriteAlpha"
+{
+    Properties
+    {
+      _Alpha("Alpha", Range (0.0, 1.0)) = 0.0
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" }
+        LOD 100
+        Cull Off
+        ZTest Always
+        ZWrite Off
+        // we want to keep the color buffer as is, but override the alpha
+        Blend Zero One, One Zero 
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            // make fog work
+            #pragma multi_compile_fog
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+            };
+
+            struct v2f
+            {
+                UNITY_FOG_COORDS(1)
+                float4 vertex : SV_POSITION;
+            };
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                // Push the z to the far plane
+                //o.vertex.z = 1.0 - UNITY_NEAR_CLIP_VALUE;
+                return o;
+            }
+
+            float _Alpha;
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+                // apply fog
+                return float4(0,0,0, _Alpha);
+            }
+            ENDCG
+        }
+    }
+}