wip: HouseOfLeaves & BodiesInWater Blocking

Assets/_Content/Models/Environments/HouseOfLeaves/Shaders/Sand.hlsl

@@ -11,7 +11,7 @@ void Sand_float
     float3 NormalWS,
     out float3 Position,
     out float Height,
-    out float Debug
+    out float Alpha
 )
 {
     //float t = frac(_Time.y / 20);
@@ -52,6 +52,7 @@ void Sand_float
     sandFlow = (sandFlow + floor(t * sandLayers)) / sandLayers;
     
     float sandMask = sandFlow * 1.5 - t * .8 + (sandPatern * 2 - 1) * sandDensity * t * .3;
+    sandMask *= sandDensity * .7 + .3;
     
     // Test
 
@@ -72,7 +73,7 @@ void Sand_float
     
     Height = sandMask;
     
-    Debug = 1;
+    Alpha = smoothstep(1, .5, abs(smoothstep(-5, 5, PositionWS.x) * 2 - 1));
     //Debug = sandFlow;
 }