new 'cacheRenderers' option for IsoObject

Assets/IsoTools/Examples/Prefabs/Kenney/Road4.prefab

@@ -39,7 +39,7 @@ Transform:
   m_PrefabInternal: {fileID: 100100000}
   m_GameObject: {fileID: 138428}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 0, y: .5, z: 0}
+  m_LocalPosition: {x: 0, y: 0.5, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children: []
   m_Father: {fileID: 491914}
@@ -51,7 +51,7 @@ Transform:
   m_PrefabInternal: {fileID: 100100000}
   m_GameObject: {fileID: 189540}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 1.29999948, y: 1.94999981, z: 51.1110992}
+  m_LocalPosition: {x: 1.2999995, y: 1.9499998, z: 51.1111}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_Children:
   - {fileID: 482346}
@@ -68,9 +68,10 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 9a9c584f9a39449438abc7ba59a68778, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  _mode: 0
-  _size: {x: 1, y: 1, z: .529999971}
+  _size: {x: 1, y: 1, z: 0.53}
   _position: {x: 0, y: 0, z: 0}
+  _mode: 0
+  _cacheRenderers: 0
   _isAlignment: 1
   _isShowBounds: 0
 --- !u!212 &21274934
@@ -91,14 +92,18 @@ SpriteRenderer:
   m_ProbeAnchor: {fileID: 0}
   m_ScaleInLightmap: 1
   m_PreserveUVs: 0
+  m_IgnoreNormalsForChartDetection: 0
   m_ImportantGI: 0
-  m_AutoUVMaxDistance: .5
+  m_MinimumChartSize: 4
+  m_AutoUVMaxDistance: 0.5
   m_AutoUVMaxAngle: 89
   m_LightmapParameters: {fileID: 0}
   m_SortingLayerID: 0
   m_SortingOrder: 0
   m_Sprite: {fileID: 21300000, guid: c8ec478c1bb8a4f74b0acb7dabb24f21, type: 3}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_FlipX: 0
+  m_FlipY: 0
 --- !u!1001 &100100000
 Prefab:
   m_ObjectHideFlags: 1