feat: extra camera to bake is no longer needed

Scripts/BakingCamera.cs

@@ -1,97 +0,0 @@
-using UnityEngine;
-
-namespace Coffee.UIParticleExtensions
-{
-    [AddComponentMenu("")]
-    internal class BakingCamera : MonoBehaviour
-    {
-        static BakingCamera s_Instance;
-        private static readonly Vector3 s_OrthoPosition = new Vector3(0, 0, -1000);
-        private static readonly Quaternion s_OrthoRotation = Quaternion.identity;
-
-#if UNITY_2018_3_OR_NEWER && UNITY_EDITOR
-        static BakingCamera s_InstanceForPrefab;
-
-        private static BakingCamera InstanceForPrefab
-        {
-            get
-            {
-                // If current scene is prefab mode, create OverlayCamera for editor.
-                var prefabStage = UnityEditor.Experimental.SceneManagement.PrefabStageUtility.GetCurrentPrefabStage();
-                if (prefabStage == null || !prefabStage.scene.isLoaded) return null;
-                if (s_InstanceForPrefab) return s_InstanceForPrefab;
-
-                s_InstanceForPrefab = Create();
-                s_InstanceForPrefab.name += " (For Prefab Stage)";
-                UnityEngine.SceneManagement.SceneManager.MoveGameObjectToScene(s_InstanceForPrefab.gameObject, prefabStage.scene);
-
-                return s_InstanceForPrefab;
-            }
-        }
-#endif
-
-        private static BakingCamera Instance
-        {
-            get
-            {
-#if UNITY_2018_3_OR_NEWER && UNITY_EDITOR
-                var inst = InstanceForPrefab;
-                if (inst) return inst;
-#endif
-                // Find instance in scene, or create new one.
-                return s_Instance
-                    ? s_Instance
-                    : (s_Instance = Create());
-            }
-        }
-
-        private Camera _camera;
-
-        private static BakingCamera Create()
-        {
-            var gameObject = new GameObject(typeof(BakingCamera).Name);
-
-            // This camera object is just for internal use
-            gameObject.hideFlags = HideFlags.HideAndDontSave;
-
-            var inst = gameObject.AddComponent<BakingCamera>();
-            inst._camera = gameObject.AddComponent<Camera>();
-            inst._camera.enabled = false;
-            inst._camera.orthographic = true;
-
-            // Turn camera off because particle mesh baker will use only camera matrix
-            gameObject.SetActive(false);
-
-            return inst;
-        }
-
-        private void Awake()
-        {
-            if (this == s_Instance)
-                DontDestroyOnLoad(gameObject);
-        }
-
-        public static Camera GetCamera(Canvas canvas)
-        {
-            if (!canvas) return Camera.main;
-
-            canvas = canvas.rootCanvas;
-            // Adjust camera orthographic size to canvas size
-            // for canvas-based coordinates of particles' size and speed.
-            var size = ((RectTransform) canvas.transform).rect.size;
-            Instance._camera.orthographicSize = Mathf.Max(size.x, size.y) * canvas.scaleFactor;
-
-            var camera = canvas.worldCamera;
-            var transform = Instance.transform;
-            var rotation = canvas.renderMode != RenderMode.ScreenSpaceOverlay && camera
-                ? camera.transform.rotation
-                : s_OrthoRotation;
-
-            transform.SetPositionAndRotation(s_OrthoPosition, rotation);
-            Instance._camera.orthographic = true;
-            Instance._camera.farClipPlane = 2000f;
-
-            return Instance._camera;
-        }
-    }
-}

Scripts/BakingCamera.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: 999f0ea10cb5f48ed89190a0ca83dd53
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Scripts/UIParticleUpdater.cs

@@ -118,8 +118,6 @@ namespace Coffee.UIExtensions
             particle.bakedMesh.Clear(false);
             Profiler.EndSample();
 
-            // Get camera for baking mesh.
-            var camera = BakingCamera.GetCamera(particle.canvas);
             var root = particle.transform;
             var rootMatrix = Matrix4x4.Rotate(root.rotation).inverse
                              * Matrix4x4.Scale(root.lossyScale).inverse;
@@ -213,7 +211,11 @@ namespace Coffee.UIExtensions
                     if (hash != 0)
                     {
                         var m = MeshHelper.GetTemporaryMesh();
-                        r.BakeMesh(m, camera, true);
+                        if (camera)
+                            r.BakeMesh(m, camera, true);
+                        else
+                            r.BakeMesh(m, true);
+
                         MeshHelper.Push(i * 2, hash, m, matrix);
                     }
 
@@ -234,7 +236,11 @@ namespace Coffee.UIExtensions
                         var m = MeshHelper.GetTemporaryMesh();
                         try
                         {
-                            r.BakeTrailsMesh(m, camera, true);
+                            if (camera)
+                                r.BakeTrailsMesh(m, camera, true);
+                            else
+                                r.BakeTrailsMesh(m, true);
+
                             MeshHelper.Push(i * 2 + 1, hash, m, matrix);
                         }
                         catch