改改改

重大bug修复：track删除pathnode后不能正确更新

Signed-off-by: TRAfoer <lhf190@outlook.com>

Assets/Prefabs/GameElements/Track/DefaultTrackMaterial.mat

@@ -11,13 +11,14 @@ Material:
   m_Shader: {fileID: 4800000, guid: 44e8d6dab1446644688189717537509a, type: 3}
   m_Parent: {fileID: 0}
   m_ModifiedSerializedProperties: 0
-  m_ValidKeywords: []
+  m_ValidKeywords:
+  - _EMISSION_ON
   m_InvalidKeywords:
   - _RECEIVE_SHADOWS_OFF
   - _ZWRITE_ON
   m_LightmapFlags: 4
   m_EnableInstancingVariants: 0
-  m_DoubleSidedGI: 1
+  m_DoubleSidedGI: 0
   m_CustomRenderQueue: -1
   stringTagMap: {}
   disabledShaderPasses:
@@ -128,7 +129,7 @@ Material:
     - _DistortionStrengthScaled: 0
     - _DstBlend: 0
     - _DstBlendAlpha: 0
-    - _Emission: 0
+    - _Emission: 1
     - _EmissionEnabled: 0
     - _EnableExternalAlpha: 0
     - _EnvironmentReflections: 1
@@ -170,7 +171,7 @@ Material:
     - _CameraFadeParams: {r: 0, g: Infinity, b: 0, a: 0}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _ColorAddSubDiff: {r: 0, g: 0, b: 0, a: 0}
-    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+    - _EmissionColor: {r: 8.574187, g: 8.574187, b: 8.574187, a: 1}
     - _Flip: {r: 1, g: 1, b: 1, a: 1}
     - _RendererColor: {r: 1, g: 1, b: 1, a: 1}
     - _SoftParticleFadeParams: {r: 0, g: 0, b: 0, a: 0}