添加测试shader，抽象线路绘制功能

Runtime/Sample.unity

@@ -38,7 +38,7 @@ RenderSettings:
   m_ReflectionIntensity: 1
   m_CustomReflection: {fileID: 0}
   m_Sun: {fileID: 705507994}
-  m_IndirectSpecularColor: {r: 0.44657874, g: 0.49641275, b: 0.5748172, a: 1}
+  m_IndirectSpecularColor: {r: 0.18028378, g: 0.22571412, b: 0.30692285, a: 1}
   m_UseRadianceAmbientProbe: 0
 --- !u!157 &3
 LightmapSettings:
@@ -104,7 +104,7 @@ NavMeshSettings:
   serializedVersion: 2
   m_ObjectHideFlags: 0
   m_BuildSettings:
-    serializedVersion: 3
+    serializedVersion: 2
     agentTypeID: 0
     agentRadius: 0.5
     agentHeight: 2
@@ -117,7 +117,7 @@ NavMeshSettings:
     cellSize: 0.16666667
     manualTileSize: 0
     tileSize: 256
-    buildHeightMesh: 0
+    accuratePlacement: 0
     maxJobWorkers: 0
     preserveTilesOutsideBounds: 0
     debug:
@@ -154,6 +154,7 @@ RectTransform:
   m_ConstrainProportionsScale: 1
   m_Children: []
   m_Father: {fileID: 387643621}
+  m_RootOrder: -2
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0.5}
   m_AnchorMax: {x: 0.5, y: 0.5}
@@ -172,10 +173,14 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 5b33b2e663e78774c9f0c9af55018725, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_Material: {fileID: 10754, guid: 0000000000000000f000000000000000, type: 0}
+  m_Material: {fileID: 2100000, guid: 13dbba63516e8bc469b99fae7247fd98, type: 2}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_RaycastTarget: 1
   m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
+  m_Maskable: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
   points:
   - {x: 0, y: 0}
   - {x: 58.7, y: 138.4}
@@ -272,7 +277,6 @@ Canvas:
   m_OverrideSorting: 0
   m_OverridePixelPerfect: 0
   m_SortingBucketNormalizedSize: 0
-  m_VertexColorAlwaysGammaSpace: 0
   m_AdditionalShaderChannelsFlag: 0
   m_UpdateRectTransformForStandalone: 0
   m_SortingLayerID: 0
@@ -293,6 +297,7 @@ RectTransform:
   - {fileID: 1231462426}
   - {fileID: 246206082}
   m_Father: {fileID: 0}
+  m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 0, y: 0}
@@ -309,6 +314,7 @@ GameObject:
   m_Component:
   - component: {fileID: 705507995}
   - component: {fileID: 705507994}
+  - component: {fileID: 705507996}
   m_Layer: 0
   m_Name: Directional Light
   m_TagString: Untagged
@@ -385,14 +391,34 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 705507993}
-  serializedVersion: 2
   m_LocalRotation: {x: 0.40821788, y: -0.23456968, z: 0.10938163, w: 0.8754261}
   m_LocalPosition: {x: 0, y: 3, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
+  m_RootOrder: 1
   m_LocalEulerAnglesHint: {x: 50, y: -30, z: 0}
+--- !u!114 &705507996
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 705507993}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 474bcb49853aa07438625e644c072ee6, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Version: 1
+  m_UsePipelineSettings: 1
+  m_AdditionalLightsShadowResolutionTier: 2
+  m_LightLayerMask: 1
+  m_CustomShadowLayers: 0
+  m_ShadowLayerMask: 1
+  m_LightCookieSize: {x: 1, y: 1}
+  m_LightCookieOffset: {x: 0, y: 0}
 --- !u!1 &963194225
 GameObject:
   m_ObjectHideFlags: 0
@@ -433,17 +459,9 @@ Camera:
   m_projectionMatrixMode: 1
   m_GateFitMode: 2
   m_FOVAxisMode: 0
-  m_Iso: 200
-  m_ShutterSpeed: 0.005
-  m_Aperture: 16
-  m_FocusDistance: 10
-  m_FocalLength: 50
-  m_BladeCount: 5
-  m_Curvature: {x: 2, y: 11}
-  m_BarrelClipping: 0.25
-  m_Anamorphism: 0
   m_SensorSize: {x: 36, y: 24}
   m_LensShift: {x: 0, y: 0}
+  m_FocalLength: 50
   m_NormalizedViewPortRect:
     serializedVersion: 2
     x: 0
@@ -477,13 +495,13 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 963194225}
-  serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 1, z: -10}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
+  m_RootOrder: 3
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!1 &1231462425
 GameObject:
@@ -516,6 +534,7 @@ RectTransform:
   m_ConstrainProportionsScale: 1
   m_Children: []
   m_Father: {fileID: 387643621}
+  m_RootOrder: -2
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 1, y: 1}
@@ -590,7 +609,6 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 4f231c4fb786f3946a6b90b886c48677, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_SendPointerHoverToParent: 1
   m_HorizontalAxis: Horizontal
   m_VerticalAxis: Vertical
   m_SubmitButton: Submit
@@ -620,19 +638,11 @@ Transform:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 1721653935}
-  serializedVersion: 2
   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_ConstrainProportionsScale: 0
   m_Children: []
   m_Father: {fileID: 0}
+  m_RootOrder: 2
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
---- !u!1660057539 &9223372036854775807
-SceneRoots:
-  m_ObjectHideFlags: 0
-  m_Roots:
-  - {fileID: 963194228}
-  - {fileID: 705507995}
-  - {fileID: 387643621}
-  - {fileID: 1721653938}