tweaks to the cloud system

Assets/Objects/environment/Clouds/CloudLayer.mat

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Assets/Objects/environment/Clouds/ComputeLightmap.shadersubgraph

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Assets/Objects/environment/Clouds/Shader Graphs_Clouds.mat

   m_LightmapFlags: 4
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     m_Floats:
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     - Cloud_Fade: 0
-    m_Colors: []
+    m_Colors:
+    - _Color: {r: 0, g: 0, b: 0, a: 0}
   m_BuildTextureStacks: []

Assets/Scripts/Environment/CloudRenderer.cs

         {
             var camPos = Camera.main.transform.position;
             ps.GetParticles(parts);
-            var l = parts.ToList().OrderByDescending(x => Vector3.Distance(x.position * 64f, camPos));
+            var l = parts.ToList().OrderByDescending(x => Vector3.Distance(x.position, camPos));
             parts = l.ToArray();
         }
     }
         if (!cloudMaterial || cloudMeshes == null || cloudMeshes.Length == 0) return;
 
-        var camPos = camera.transform.position * (1f / 64f);
+        var camPos = camera.transform.position;
+            var pos = particle.position * SkyboxSystem.SkyboxScale + camPos * (1 - SkyboxSystem.SkyboxScale);
+            
             var q = Quaternion.LookRotation(particle.position - camPos);
             Random.InitState((int)particle.randomSeed);
             var mesh = cloudMeshes[Random.Range(0, cloudMeshes.Length)];
             m.SetColors(colors);
             m.UploadMeshData(true);*/
 
-            Graphics.DrawMesh(mesh, Matrix4x4.TRS(particle.position, q, particle.startSize3D), cloudMaterial, LayerMask.NameToLayer("3DSkybox"), camera);
+            MaterialPropertyBlock mpb = new MaterialPropertyBlock();
+            mpb.SetFloat("Cloud_Fade",  particle.GetCurrentColor(ps).a / 255f);
+
+            Graphics.DrawMesh(mesh, Matrix4x4.TRS(pos, q, particle.startSize3D * SkyboxSystem.SkyboxScale), cloudMaterial, LayerMask.NameToLayer("3DSkybox"), camera, 0, mpb, false, false, false);
         }
     }
 }

Assets/Scripts/Utility/SkyboxSystem.cs

 {
     public int scalefactor = 64;
 
+    public static float SkyboxScale { get; set; }
+
     public Renderer[] renderList;
 
     private void OnEnable()
-
+        
         CollectRenderers();
     }
 
 
     private void OnCamera(ScriptableRenderContext context, Camera camera)
     {
-        transform.position = Vector3.Lerp(camera.transform.position, Vector3.zero, 1f / scalefactor);
+        var scaleRatio = 1.0f / scalefactor;
+        SkyboxScale = scaleRatio;
+        transform.position = camera.transform.position * (1 - scaleRatio);
+        transform.localScale = Vector3.one * scaleRatio;
+        transform.localScale = Vector3.one;
     }
 }

Assets/scenes/demo_Island.unity

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+  serializedVersion: 7
   lengthInSec: 10
   simulationSpeed: 1
   stopAction: 0
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+  useRigidbodyForVelocity: 1
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     radiusThickness: 0.8
     donutRadius: 0.2
-    m_Position: {x: 0, y: 10, z: 0}
+    m_Position: {x: 0, y: 120, z: 0}
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