*mask

5 files changed, 311 insertions, 284 deletions

diff --git a/Assets/Test/05_Mask/05_Mask.unity b/Assets/Test/05_Mask/05_Mask.unity
index 2441bbc..58a57b5 100644
--- a/Assets/Test/05_Mask/05_Mask.unity
+++ b/Assets/Test/05_Mask/05_Mask.unity
@@ -38,7 +38,7 @@ RenderSettings:
   m_ReflectionIntensity: 1
   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 0}
-  m_IndirectSpecularColor: {r: 0.18028334, g: 0.22571343, b: 0.30692208, a: 1}
+  m_IndirectSpecularColor: {r: 0.44657898, g: 0.4964133, b: 0.5748178, a: 1}
 --- !u!157 &3
 LightmapSettings:
   m_ObjectHideFlags: 0
@@ -88,6 +88,7 @@ LightmapSettings:
     m_PVRFilteringAtrousPositionSigmaDirect: 0.5
     m_PVRFilteringAtrousPositionSigmaIndirect: 2
     m_PVRFilteringAtrousPositionSigmaAO: 1
+    m_ShowResolutionOverlay: 1
   m_LightingDataAsset: {fileID: 0}
   m_UseShadowmask: 1
 --- !u!196 &4
@@ -112,74 +113,6 @@ NavMeshSettings:
     debug:
       m_Flags: 0
   m_NavMeshData: {fileID: 0}
---- !u!1 &159377744
-GameObject:
-  m_ObjectHideFlags: 0
-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  serializedVersion: 5
-  m_Component:
-  - component: {fileID: 159377745}
-  - component: {fileID: 159377747}
-  - component: {fileID: 159377746}
-  m_Layer: 5
-  m_Name: Image (1)
-  m_TagString: Untagged
-  m_Icon: {fileID: 0}
-  m_NavMeshLayer: 0
-  m_StaticEditorFlags: 0
-  m_IsActive: 1
---- !u!224 &159377745
-RectTransform:
-  m_ObjectHideFlags: 0
-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 159377744}
-  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
-  m_LocalPosition: {x: 73.6, y: 124, z: 0}
-  m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children: []
-  m_Father: {fileID: 797222066}
-  m_RootOrder: 1
-  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 0.5}
-  m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 73.6, y: 124}
-  m_SizeDelta: {x: 100, y: 100}
-  m_Pivot: {x: 0.5, y: 0.5}
---- !u!114 &159377746
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 159377744}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 0cba8e295482e184f9f6a5a8f2b559c3, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
-  m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
-  m_RaycastTarget: 1
-  m_OnCullStateChanged:
-    m_PersistentCalls:
-      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, Assembly-CSharp,
-      Version=0.0.0.0, Culture=neutral, PublicKeyToken=null
-  m_Sprite: {fileID: 21300000, guid: 4c39797c0008dfb429eaf35a53f9ae9b, type: 3}
-  m_Type: 0
-  m_PreserveAspect: 0
-  m_FillCenter: 1
-  m_FillMethod: 4
-  m_FillAmount: 1
-  m_FillClockwise: 1
-  m_FillOrigin: 0
---- !u!222 &159377747
-CanvasRenderer:
-  m_ObjectHideFlags: 0
-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 159377744}
 --- !u!1 &392020843
 GameObject:
   m_ObjectHideFlags: 0
@@ -243,6 +176,7 @@ Camera:
   m_TargetEye: 3
   m_HDR: 1
   m_AllowMSAA: 1
+  m_AllowDynamicResolution: 0
   m_ForceIntoRT: 0
   m_OcclusionCulling: 1
   m_StereoConvergence: 10
@@ -325,47 +259,47 @@ Transform:
   m_Father: {fileID: 0}
   m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 50, y: -30, z: 0}
---- !u!1 &683583036
+--- !u!1 &565444304
 GameObject:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   serializedVersion: 5
   m_Component:
-  - component: {fileID: 683583037}
-  - component: {fileID: 683583039}
-  - component: {fileID: 683583038}
+  - component: {fileID: 565444305}
+  - component: {fileID: 565444307}
+  - component: {fileID: 565444306}
   m_Layer: 5
-  m_Name: Image
+  m_Name: Image_Pico
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!224 &683583037
+--- !u!224 &565444305
 RectTransform:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 683583036}
+  m_GameObject: {fileID: 565444304}
   m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
-  m_Father: {fileID: 1281586982}
-  m_RootOrder: 0
+  m_Father: {fileID: 1067901026}
+  m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 0, y: 0}
+  m_AnchoredPosition: {x: -123, y: 117}
   m_SizeDelta: {x: 100, y: 100}
   m_Pivot: {x: 0.5, y: 0.5}
---- !u!114 &683583038
+--- !u!114 &565444306
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 683583036}
+  m_GameObject: {fileID: 565444304}
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 0cba8e295482e184f9f6a5a8f2b559c3, type: 3}
@@ -379,7 +313,7 @@ MonoBehaviour:
       m_Calls: []
     m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, Assembly-CSharp,
       Version=0.0.0.0, Culture=neutral, PublicKeyToken=null
-  m_Sprite: {fileID: 21300000, guid: 4c39797c0008dfb429eaf35a53f9ae9b, type: 3}
+  m_Sprite: {fileID: 21300000, guid: e3947587ecd38f84fbd22c51232fb9c7, type: 3}
   m_Type: 0
   m_PreserveAspect: 0
   m_FillCenter: 1
@@ -387,118 +321,91 @@ MonoBehaviour:
   m_FillAmount: 1
   m_FillClockwise: 1
   m_FillOrigin: 0
---- !u!222 &683583039
+--- !u!222 &565444307
 CanvasRenderer:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 683583036}
---- !u!1 &728889361
+  m_GameObject: {fileID: 565444304}
+--- !u!1 &905563187
 GameObject:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   serializedVersion: 5
   m_Component:
-  - component: {fileID: 728889365}
-  - component: {fileID: 728889364}
-  - component: {fileID: 728889363}
-  - component: {fileID: 728889362}
+  - component: {fileID: 905563188}
+  - component: {fileID: 905563190}
+  - component: {fileID: 905563189}
   m_Layer: 5
-  m_Name: Canvas
+  m_Name: Image_Fog
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!114 &728889362
-MonoBehaviour:
+--- !u!224 &905563188
+RectTransform:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 728889361}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 0dc7198a94080b64e9e51e6f934b3e35, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: 
-  m_IgnoreReversedGraphics: 1
-  m_BlockingObjects: 0
-  m_BlockingMask:
-    serializedVersion: 2
-    m_Bits: 4294967295
---- !u!114 &728889363
+  m_GameObject: {fileID: 905563187}
+  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 1067901026}
+  m_RootOrder: 0
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: -4, y: 24}
+  m_SizeDelta: {x: 100, y: 100}
+  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!114 &905563189
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 728889361}
+  m_GameObject: {fileID: 905563187}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: debcf26b89013e446a6de5574715c5af, type: 3}
+  m_Script: {fileID: 11500000, guid: 0cba8e295482e184f9f6a5a8f2b559c3, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_UiScaleMode: 0
-  m_ReferencePixelsPerUnit: 100
-  m_ScaleFactor: 1
-  m_ReferenceResolution: {x: 800, y: 600}
-  m_ScreenMatchMode: 0
-  m_MatchWidthOrHeight: 0
-  m_PhysicalUnit: 3
-  m_FallbackScreenDPI: 96
-  m_DefaultSpriteDPI: 96
-  m_DynamicPixelsPerUnit: 1
---- !u!223 &728889364
-Canvas:
-  m_ObjectHideFlags: 0
-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 728889361}
-  m_Enabled: 1
-  serializedVersion: 3
-  m_RenderMode: 0
-  m_Camera: {fileID: 0}
-  m_PlaneDistance: 100
-  m_PixelPerfect: 0
-  m_ReceivesEvents: 1
-  m_OverrideSorting: 0
-  m_OverridePixelPerfect: 0
-  m_SortingBucketNormalizedSize: 0
-  m_AdditionalShaderChannelsFlag: 0
-  m_SortingLayerID: 0
-  m_SortingOrder: 0
-  m_TargetDisplay: 0
---- !u!224 &728889365
-RectTransform:
+  m_Material: {fileID: 0}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, Assembly-CSharp,
+      Version=0.0.0.0, Culture=neutral, PublicKeyToken=null
+  m_Sprite: {fileID: 21300000, guid: 4c39797c0008dfb429eaf35a53f9ae9b, type: 3}
+  m_Type: 0
+  m_PreserveAspect: 0
+  m_FillCenter: 1
+  m_FillMethod: 4
+  m_FillAmount: 1
+  m_FillClockwise: 1
+  m_FillOrigin: 0
+--- !u!222 &905563190
+CanvasRenderer:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 728889361}
-  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 393, y: 306.5, z: 0}
-  m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children:
-  - {fileID: 1281586982}
-  - {fileID: 797222066}
-  m_Father: {fileID: 0}
-  m_RootOrder: 3
-  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 0.5}
-  m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 100, y: 100}
-  m_Pivot: {x: 0.5, y: 0.5}
---- !u!1 &797222065
+  m_GameObject: {fileID: 905563187}
+--- !u!1 &1067901025
 GameObject:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   serializedVersion: 5
   m_Component:
-  - component: {fileID: 797222066}
-  - component: {fileID: 797222069}
-  - component: {fileID: 797222068}
-  - component: {fileID: 797222067}
+  - component: {fileID: 1067901026}
+  - component: {fileID: 1067901029}
+  - component: {fileID: 1067901028}
+  - component: {fileID: 1067901027}
   m_Layer: 5
   m_Name: Mask
   m_TagString: Untagged
@@ -506,32 +413,32 @@ GameObject:
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!224 &797222066
+--- !u!224 &1067901026
 RectTransform:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 797222065}
+  m_GameObject: {fileID: 1067901025}
   m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
-  m_LocalPosition: {x: 139.77, y: 0, z: 0}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children:
-  - {fileID: 957986383}
-  - {fileID: 159377745}
-  m_Father: {fileID: 728889365}
-  m_RootOrder: 1
+  - {fileID: 905563188}
+  - {fileID: 565444305}
+  m_Father: {fileID: 1479783677}
+  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 139.77, y: 0}
+  m_AnchoredPosition: {x: 161, y: 3}
   m_SizeDelta: {x: 95.47, y: 100}
   m_Pivot: {x: 0.5, y: 0.5}
---- !u!114 &797222067
+--- !u!114 &1067901027
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 797222065}
+  m_GameObject: {fileID: 1067901025}
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: 570773b73e8b0334fb410b7457eb8b6a, type: 3}
@@ -552,207 +459,258 @@ MonoBehaviour:
     y: 0
     width: 1
     height: 1
---- !u!222 &797222068
+--- !u!222 &1067901028
 CanvasRenderer:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 797222065}
---- !u!114 &797222069
+  m_GameObject: {fileID: 1067901025}
+--- !u!114 &1067901029
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 797222065}
+  m_GameObject: {fileID: 1067901025}
   m_Enabled: 1
   m_EditorHideFlags: 0
   m_Script: {fileID: 11500000, guid: bfc675de41855c44aaedb7af695ba899, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_ShowMaskGraphic: 1
---- !u!1 &884199309
+  m_ShowMaskGraphic: 0
+--- !u!1 &1479783676
 GameObject:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   serializedVersion: 5
   m_Component:
-  - component: {fileID: 884199310}
-  - component: {fileID: 884199312}
-  - component: {fileID: 884199311}
+  - component: {fileID: 1479783677}
+  - component: {fileID: 1479783680}
+  - component: {fileID: 1479783679}
+  - component: {fileID: 1479783678}
   m_Layer: 5
-  m_Name: Image (1)
+  m_Name: CanvasParent
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!224 &884199310
+--- !u!224 &1479783677
 RectTransform:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 884199309}
+  m_GameObject: {fileID: 1479783676}
   m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
-  m_LocalPosition: {x: 23.51, y: 111.2, z: 0}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children: []
-  m_Father: {fileID: 1281586982}
-  m_RootOrder: 1
+  m_Children:
+  - {fileID: 1067901026}
+  m_Father: {fileID: 1691876112}
+  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 0.5}
-  m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 23.51, y: 111.2}
-  m_SizeDelta: {x: 100, y: 100}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 58.270004, y: -0.0000076293945}
+  m_SizeDelta: {x: 665, y: 374}
   m_Pivot: {x: 0.5, y: 0.5}
---- !u!114 &884199311
+--- !u!114 &1479783678
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 884199309}
+  m_GameObject: {fileID: 1479783676}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 0cba8e295482e184f9f6a5a8f2b559c3, type: 3}
+  m_Script: {fileID: 11500000, guid: 0dc7198a94080b64e9e51e6f934b3e35, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
-  m_RaycastTarget: 1
-  m_OnCullStateChanged:
-    m_PersistentCalls:
-      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, Assembly-CSharp,
-      Version=0.0.0.0, Culture=neutral, PublicKeyToken=null
-  m_Sprite: {fileID: 21300000, guid: 4c39797c0008dfb429eaf35a53f9ae9b, type: 3}
-  m_Type: 0
-  m_PreserveAspect: 0
-  m_FillCenter: 1
-  m_FillMethod: 4
-  m_FillAmount: 1
-  m_FillClockwise: 1
-  m_FillOrigin: 0
---- !u!222 &884199312
-CanvasRenderer:
+  m_IgnoreReversedGraphics: 1
+  m_BlockingObjects: 0
+  m_BlockingMask:
+    serializedVersion: 2
+    m_Bits: 4294967295
+--- !u!114 &1479783679
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 1479783676}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: debcf26b89013e446a6de5574715c5af, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_UiScaleMode: 0
+  m_ReferencePixelsPerUnit: 100
+  m_ScaleFactor: 1
+  m_ReferenceResolution: {x: 800, y: 600}
+  m_ScreenMatchMode: 0
+  m_MatchWidthOrHeight: 0
+  m_PhysicalUnit: 3
+  m_FallbackScreenDPI: 96
+  m_DefaultSpriteDPI: 96
+  m_DynamicPixelsPerUnit: 1
+--- !u!223 &1479783680
+Canvas:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 884199309}
---- !u!1 &957986382
+  m_GameObject: {fileID: 1479783676}
+  m_Enabled: 1
+  serializedVersion: 3
+  m_RenderMode: 0
+  m_Camera: {fileID: 0}
+  m_PlaneDistance: 100
+  m_PixelPerfect: 0
+  m_ReceivesEvents: 1
+  m_OverrideSorting: 0
+  m_OverridePixelPerfect: 0
+  m_SortingBucketNormalizedSize: 0
+  m_AdditionalShaderChannelsFlag: 0
+  m_SortingLayerID: 0
+  m_SortingOrder: -160
+  m_TargetDisplay: 0
+--- !u!1 &1691876111
 GameObject:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   serializedVersion: 5
   m_Component:
-  - component: {fileID: 957986383}
-  - component: {fileID: 957986385}
-  - component: {fileID: 957986384}
+  - component: {fileID: 1691876112}
+  - component: {fileID: 1691876113}
   m_Layer: 5
-  m_Name: Image
+  m_Name: RectMask2DParent
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!224 &957986383
+--- !u!224 &1691876112
 RectTransform:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 957986382}
-  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
+  m_GameObject: {fileID: 1691876111}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children: []
-  m_Father: {fileID: 797222066}
+  m_Children:
+  - {fileID: 1479783677}
+  m_Father: {fileID: 1730598754}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 0, y: 0}
-  m_SizeDelta: {x: 100, y: 100}
+  m_AnchoredPosition: {x: 96.78, y: 57.40001}
+  m_SizeDelta: {x: 310.1, y: 114.8}
   m_Pivot: {x: 0.5, y: 0.5}
---- !u!114 &957986384
+--- !u!114 &1691876113
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 957986382}
+  m_GameObject: {fileID: 1691876111}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 0cba8e295482e184f9f6a5a8f2b559c3, type: 3}
+  m_Script: {fileID: 11500000, guid: c06d6b758f7cbc148afa25153c439510, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_Material: {fileID: 0}
-  m_Color: {r: 1, g: 1, b: 1, a: 1}
-  m_RaycastTarget: 1
-  m_OnCullStateChanged:
-    m_PersistentCalls:
-      m_Calls: []
-    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, Assembly-CSharp,
-      Version=0.0.0.0, Culture=neutral, PublicKeyToken=null
-  m_Sprite: {fileID: 21300000, guid: 4c39797c0008dfb429eaf35a53f9ae9b, type: 3}
-  m_Type: 0
-  m_PreserveAspect: 0
-  m_FillCenter: 1
-  m_FillMethod: 4
-  m_FillAmount: 1
-  m_FillClockwise: 1
-  m_FillOrigin: 0
---- !u!222 &957986385
-CanvasRenderer:
-  m_ObjectHideFlags: 0
-  m_PrefabParentObject: {fileID: 0}
-  m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 957986382}
---- !u!1 &1281586981
+--- !u!1 &1730598750
 GameObject:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
   serializedVersion: 5
   m_Component:
-  - component: {fileID: 1281586982}
-  - component: {fileID: 1281586983}
+  - component: {fileID: 1730598754}
+  - component: {fileID: 1730598753}
+  - component: {fileID: 1730598752}
+  - component: {fileID: 1730598751}
   m_Layer: 5
-  m_Name: Rect2DMask
+  m_Name: CanvasAcsent
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!224 &1281586982
-RectTransform:
+--- !u!114 &1730598751
+MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 1281586981}
-  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 8.76, y: 0, z: 0}
-  m_LocalScale: {x: 1, y: 1, z: 1}
-  m_Children:
-  - {fileID: 683583037}
-  - {fileID: 884199310}
-  m_Father: {fileID: 728889365}
-  m_RootOrder: 0
-  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
-  m_AnchorMin: {x: 0.5, y: 0.5}
-  m_AnchorMax: {x: 0.5, y: 0.5}
-  m_AnchoredPosition: {x: 8.76, y: 0}
-  m_SizeDelta: {x: 52.98, y: 100}
-  m_Pivot: {x: 0.5, y: 0.5}
---- !u!114 &1281586983
+  m_GameObject: {fileID: 1730598750}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 0dc7198a94080b64e9e51e6f934b3e35, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_IgnoreReversedGraphics: 1
+  m_BlockingObjects: 0
+  m_BlockingMask:
+    serializedVersion: 2
+    m_Bits: 4294967295
+--- !u!114 &1730598752
 MonoBehaviour:
   m_ObjectHideFlags: 0
   m_PrefabParentObject: {fileID: 0}
   m_PrefabInternal: {fileID: 0}
-  m_GameObject: {fileID: 1281586981}
+  m_GameObject: {fileID: 1730598750}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: c06d6b758f7cbc148afa25153c439510, type: 3}
+  m_Script: {fileID: 11500000, guid: debcf26b89013e446a6de5574715c5af, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  m_UiScaleMode: 0
+  m_ReferencePixelsPerUnit: 100
+  m_ScaleFactor: 1
+  m_ReferenceResolution: {x: 800, y: 600}
+  m_ScreenMatchMode: 0
+  m_MatchWidthOrHeight: 0
+  m_PhysicalUnit: 3
+  m_FallbackScreenDPI: 96
+  m_DefaultSpriteDPI: 96
+  m_DynamicPixelsPerUnit: 1
+--- !u!223 &1730598753
+Canvas:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 1730598750}
+  m_Enabled: 1
+  serializedVersion: 3
+  m_RenderMode: 0
+  m_Camera: {fileID: 392020846}
+  m_PlaneDistance: 100
+  m_PixelPerfect: 0
+  m_ReceivesEvents: 1
+  m_OverrideSorting: 0
+  m_OverridePixelPerfect: 0
+  m_SortingBucketNormalizedSize: 0
+  m_AdditionalShaderChannelsFlag: 0
+  m_SortingLayerID: 0
+  m_SortingOrder: 0
+  m_TargetDisplay: 0
+--- !u!224 &1730598754
+RectTransform:
+  m_ObjectHideFlags: 0
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 0}
+  m_GameObject: {fileID: 1730598750}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 0, y: 0, z: 0}
+  m_Children:
+  - {fileID: 1691876112}
+  m_Father: {fileID: 0}
+  m_RootOrder: 3
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 0, y: 0}
+  m_Pivot: {x: 0, y: 0}
 --- !u!1 &1908451111
 GameObject:
   m_ObjectHideFlags: 0
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/MaskableGraphic.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/MaskableGraphic.cs
index 51e2fe2..0d0f327 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/MaskableGraphic.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Graphics/MaskableGraphic.cs
@@ -68,6 +68,7 @@ namespace UnityEngine.UI
             if (m_ShouldRecalculateStencil)
             {
                 var rootCanvas = MaskUtilities.FindRootSortOverrideCanvas(transform);
+                // Graphic在masks下的深度，如果不是0且没有mask组件意味着是普通的非mask用graphic（如果是0一定是mask用的graphic)
                 m_StencilValue = maskable ? MaskUtilities.GetStencilDepth(transform, rootCanvas) : 0;
                 m_ShouldRecalculateStencil = false;
             }
@@ -78,6 +79,11 @@ namespace UnityEngine.UI
             Mask maskComponent = GetComponent<Mask>();
             if (m_StencilValue > 0 && (maskComponent == null || !maskComponent.IsActive()))
             {
+                // Ref       = (1 << stencilValue) - 1 
+                // Op        = Keep
+                // Func      = Equal 
+                // ReadMask  = (1 << stencilValue) - 1 
+                // WriteMask = 0
                 var maskMat = StencilMaterial.Add(toUse, (1 << m_StencilValue) - 1, StencilOp.Keep, CompareFunction.Equal, ColorWriteMask.All, (1 << m_StencilValue) - 1, 0);
                 StencilMaterial.Remove(m_MaskMaterial);
                 m_MaskMaterial = maskMat;
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/Mask.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/Mask.cs
index 39dc291..19a5575 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/Mask.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/Mask.cs
@@ -41,13 +41,11 @@ namespace UnityEngine.UI
         public Graphic graphic
         {
             get { return m_Graphic ?? (m_Graphic = GetComponent<Graphic>()); }
-        }
-
-        [NonSerialized]
-        private Material m_MaskMaterial;
-
-        [NonSerialized]
-        private Material m_UnmaskMaterial;
+        }

+

+        [NonSerialized] private Material m_MaskMaterial;

+

+        [NonSerialized] private Material m_UnmaskMaterial;
 
         protected Mask()
         {}
@@ -123,7 +121,7 @@ namespace UnityEngine.UI
 
             var rootSortCanvas = MaskUtilities.FindRootSortOverrideCanvas(transform);
             var stencilDepth = MaskUtilities.GetStencilDepth(transform, rootSortCanvas);
-            if (stencilDepth >= 8)
+            if (stencilDepth >= 8) // 不支持8层及以上的mask, 0-7支持，这是因为stencilRef和stencilMask只有一个字节
             {
                 Debug.LogError("Attempting to use a stencil mask with depth > 8", gameObject);
                 return baseMaterial;
@@ -133,12 +131,22 @@ namespace UnityEngine.UI
 
             // if we are at the first level...
             // we want to destroy what is there
-            if (desiredStencilBit == 1)
-            {
+            if (desiredStencilBit == 1) // 最上层的mask
+            {

+                // Ref       = 1

+                // Op        = Replace

+                // Func      = Always 

+                // ReadMask  = 255

+                // WriteMask = 255

                 var maskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Replace, CompareFunction.Always, m_ShowMaskGraphic ? ColorWriteMask.All : 0);
                 StencilMaterial.Remove(m_MaskMaterial);
-                m_MaskMaterial = maskMaterial;
-
+                m_MaskMaterial = maskMaterial;

+

+                // Ref       = 1

+                // Op        = Zero

+                // Func      = Always 

+                // ReadMask  = 255

+                // WriteMask = 255

                 var unmaskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Zero, CompareFunction.Always, 0);
                 StencilMaterial.Remove(m_UnmaskMaterial);
                 m_UnmaskMaterial = unmaskMaterial;
@@ -148,11 +156,22 @@ namespace UnityEngine.UI
                 return m_MaskMaterial;
             }
 
+            // Ref       = desiredStencilBit | (desiredStencilBit - 1)
+            // Op        = Replace 
+            // Func      = Equal 
+            // ReadMask  = desiredStencilBit - 1
+            // WriteMask = desiredStencilBit | (desiredStencilBit - 1)
+
             //otherwise we need to be a bit smarter and set some read / write masks
             var maskMaterial2 = StencilMaterial.Add(baseMaterial, desiredStencilBit | (desiredStencilBit - 1), StencilOp.Replace, CompareFunction.Equal, m_ShowMaskGraphic ? ColorWriteMask.All : 0, desiredStencilBit - 1, desiredStencilBit | (desiredStencilBit - 1));
             StencilMaterial.Remove(m_MaskMaterial);
             m_MaskMaterial = maskMaterial2;
 
+            // Ref       = desiredStencilBit - 1
+            // Op        = Replace 
+            // Func      = Equal 
+            // ReadMask  = desiredStencilBit - 1
+            // WriteMask = desiredStencilBit | (desiredStencilBit - 1)
             graphic.canvasRenderer.hasPopInstruction = true;
             var unmaskMaterial2 = StencilMaterial.Add(baseMaterial, desiredStencilBit - 1, StencilOp.Replace, CompareFunction.Equal, 0, desiredStencilBit - 1, desiredStencilBit | (desiredStencilBit - 1));
             StencilMaterial.Remove(m_UnmaskMaterial);
@@ -161,6 +180,25 @@ namespace UnityEngine.UI
             graphic.canvasRenderer.SetPopMaterial(m_UnmaskMaterial, 0);
 
             return m_MaskMaterial;
+        }

+

+

+        #region UGUI_DEBUG 
+

+        Vector3[] cornors = new Vector3[4];

+
+        void OnDrawGizmos()

+        {

+            Rect rect = rectTransform.rect;

+            Gizmos.color = Color.yellow;

+            rectTransform.GetWorldCorners(cornors);

+            for (int i = 0; i < cornors.Length; ++i)

+            {

+                Gizmos.DrawLine(cornors[i], cornors[(i + 1) % cornors.Length]);

+            }

         }
+
+        #endregion 
+
     }
 }
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/MaskUtilities.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/MaskUtilities.cs
index c975dc6..6abce5a 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/MaskUtilities.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/MaskUtilities.cs
@@ -37,6 +37,7 @@ namespace UnityEngine.UI
             ListPool<Component>.Release(components);
         }
 
+        //从下往上找到第一个OverrideSorting的canvas或者root(即null)
         public static Transform FindRootSortOverrideCanvas(Transform start)
         {
             var canvasList = ListPool<Canvas>.Get();
@@ -56,6 +57,7 @@ namespace UnityEngine.UI
             return canvas != null ? canvas.transform : null;
         }
 
+        // 返回Mask在canvas下（canvas下所有的masks下)的深度
         public static int GetStencilDepth(Transform transform, Transform stopAfter)
         {
             var depth = 0;
@@ -85,6 +87,7 @@ namespace UnityEngine.UI
             return depth;
         }
 
+        // father是child的祖先节点或者father == child
         public static bool IsDescendantOrSelf(Transform father, Transform child)
         {
             if (father == null || child == null)
@@ -164,7 +167,9 @@ namespace UnityEngine.UI
                     bool shouldAdd = true;
                     for (int j = canvasComponents.Count - 1; j >= 0; j--)
                     {
-                        if (!IsDescendantOrSelf(canvasComponents[j].transform, rectMaskComponents[i].transform) && canvasComponents[j].overrideSorting)
+                        // 如果rectMask2D是canvas的祖先节点且这个canvas勾选了OverrideSorting,那么这个rectMask2D就会失效
+                        if (!IsDescendantOrSelf(canvasComponents[j].transform, rectMaskComponents[i].transform) 
+                            && canvasComponents[j].overrideSorting)
                         {
                             shouldAdd = false;
                             break;
diff --git a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/RectMask2D.cs b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/RectMask2D.cs
index 5f8f2e7..d973b34 100644
--- a/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/RectMask2D.cs
+++ b/Assets/uGUI-2017.1/UnityEngine.UI/UI/Core/Mask/RectMask2D.cs
@@ -16,6 +16,7 @@ namespace UnityEngine.UI
         [NonSerialized]
         private RectTransform m_RectTransform;
 
+        // 可裁剪的Graphics
         [NonSerialized]
         private HashSet<IClippable> m_ClipTargets = new HashSet<IClippable>();
 
@@ -173,6 +174,25 @@ namespace UnityEngine.UI
         {
             base.OnCanvasHierarchyChanged();
             m_ShouldRecalculateClipRects = true;
+        }

+

+

+        #region UGUI_DEBUG 
+

+        Vector3[] cornors = new Vector3[4];

+
+        void OnDrawGizmos()

+        {

+            Rect rect = rectTransform.rect;

+            Gizmos.color = Color.red;

+            rectTransform.GetWorldCorners(cornors);

+            for (int i = 0; i < cornors.Length; ++i)

+            {

+                Gizmos.DrawLine(cornors[i], cornors[(i + 1) % cornors.Length]);

+            }

         }
+
+        #endregion 
+

     }
 }