add : deployed uvs for theater & fix sam fog

Assets/_Content/Models/VFX/Fog/ShadersB/Fog.hlsl

@@ -20,6 +20,7 @@ void Fog_float
     float SpikeSpeed,
     float PaintSteps,
     float GrainAmount,
+    float FogStartTime,
     out float3 Output,
     out float Alpha
 )
@@ -28,7 +29,9 @@ void Fog_float
     float depth = distance(camPos, PositionWS);
     float depthAtten = lerp(1, smoothstep(5, 30, depth), DepthAtten);
 
-    float t = _Time.y * .7;
+    
+
+    float t = (_Time.y - FogStartTime) * .7;
     float s = lerp(Scale.x, 1, .3);
 
     // Base sampling position, scrolling over time