first frame bounds3d fix

Assets/IsoTools/Scripts/IsoObject.cs

@@ -208,20 +208,24 @@ namespace IsoTools {
 		IsoWorld _isoWorld = null;
 		public IsoWorld isoWorld {
 			get {
-				if ( !_isoWorld ) {
+				if ( (object)_isoWorld == null ) {
 					_isoWorld = GameObject.FindObjectOfType<IsoWorld>();
 				}
 				return _isoWorld;
 			}
 		}
 
+		public void ResetWorld() {
+			_isoWorld = null;
+		}
+
 		public void FixTransform() {
 		#if UNITY_EDITOR
 			if ( !Application.isPlaying && isAlignment ) {
 				_position = tilePosition;
 			}
 		#endif
-			if ( isoWorld ) {
+			if ( (object)isoWorld != null ) {
 				transform.position = IsoUtils.Vec3ChangeZ(
 					isoWorld.IsoToScreen(position),
 					transform.position.z);
@@ -231,7 +235,7 @@ namespace IsoTools {
 		}
 
 		public void FixIsoPosition() {
-			if ( isoWorld ) {
+			if ( (object)isoWorld != null ) {
 				position = isoWorld.ScreenToIso(
 					transform.position,
 					positionZ);
@@ -247,7 +251,7 @@ namespace IsoTools {
 		}
 
 		void MartDirtyIsoWorld() {
-			if ( isoWorld ) {
+			if ( (object)isoWorld != null ) {
 				isoWorld.MarkDirty(this);
 			}
 		#if UNITY_EDITOR
@@ -262,23 +266,23 @@ namespace IsoTools {
 		// ------------------------------------------------------------------------
 
 		void Awake() {
-			Internal.SelfDepends = new HashSet<IsoObject>(new IsoObject[19]);
+			Internal.SelfDepends = new HashSet<IsoObject>(new IsoObject[47]);
 			Internal.SelfDepends.Clear();
-			Internal.TheirDepends = new HashSet<IsoObject>(new IsoObject[19]);
+			Internal.TheirDepends = new HashSet<IsoObject>(new IsoObject[47]);
 			Internal.TheirDepends.Clear();
 			FixLastProperties();
 			FixIsoPosition();
 		}
 
 		void OnEnable() {
-			if ( isoWorld ) {
+			if ( (object)isoWorld != null ) {
 				isoWorld.AddIsoObject(this);
 			}
 			MartDirtyIsoWorld();
 		}
 
 		void OnDisable() {
-			if ( isoWorld ) {
+			if ( (object)isoWorld != null ) {
 				isoWorld.RemoveIsoObject(this);
 			}
 		}
@@ -295,7 +299,7 @@ namespace IsoTools {
 		}
 
 		void OnDrawGizmos() {
-			if ( isShowBounds && isoWorld ) {
+			if ( isShowBounds && (object)isoWorld != null ) {
 				IsoUtils.DrawCube(isoWorld, position + size * 0.5f, size, Color.red);
 			}
 		}

Assets/IsoTools/Scripts/IsoWorld.cs

@@ -9,7 +9,7 @@ namespace IsoTools {
 	[ExecuteInEditMode, DisallowMultipleComponent]
 	public class IsoWorld : MonoBehaviour {
 
-		bool               _dirty        = true;
+		bool               _dirty        = false;
 		HashSet<IsoObject> _objects      = new HashSet<IsoObject>();
 		HashSet<IsoObject> _visibles     = new HashSet<IsoObject>();
 		HashSet<IsoObject> _oldVisibles  = new HashSet<IsoObject>();
@@ -129,7 +129,7 @@ namespace IsoTools {
 		}
 		
 		public void MarkDirty(IsoObject iso_object) {
-			if ( iso_object && _visibles.Contains(iso_object) ) {
+			if ( !iso_object.Internal.Dirty && _visibles.Contains(iso_object) ) {
 				iso_object.Internal.Dirty = true;
 				MarkDirty();
 			}
@@ -163,6 +163,13 @@ namespace IsoTools {
 			_isoRMatrix = _isoMatrix.inverse;
 		}
 
+		void ResetAllWorlds() {
+			var objects_iter = _objects.GetEnumerator();
+			while ( objects_iter.MoveNext() ) {
+				objects_iter.Current.ResetWorld();
+			}
+		}
+
 		void FixAllTransforms() {
 			var objects_iter = _objects.GetEnumerator();
 			while ( objects_iter.MoveNext() ) {
@@ -176,7 +183,7 @@ namespace IsoTools {
 			FixAllTransforms();
 		}
 
-		bool CheckIsoObjectChangeBounds3d(IsoObject iso_object) {
+		bool UpdateIsoObjectBounds3d(IsoObject iso_object) {
 			if ( iso_object.mode == IsoObject.Mode.Mode3d ) {
 				var bounds3d = IsoObject3DBounds(iso_object);
 				var offset3d = iso_object.transform.position.z - bounds3d.center.z;
@@ -455,20 +462,13 @@ namespace IsoTools {
 			while ( visibles_iter.MoveNext() ) {
 				var iso_object = visibles_iter.Current;
 				if ( iso_object.Internal.Dirty || !_oldVisibles.Contains(iso_object) ) {
-					iso_object.Internal.Dirty = true;
-				} else if ( CheckIsoObjectChangeBounds3d(iso_object) ) {
-					MarkDirty();
-				}
-			}
-			
-			visibles_iter = _visibles.GetEnumerator();
-			while ( visibles_iter.MoveNext() ) {
-				var iso_object = visibles_iter.Current;
-				if ( iso_object.Internal.Dirty ) {
 					MarkDirty();
 					SetupIsoObjectDepends(iso_object);
 					iso_object.Internal.Dirty = false;
 				}
+				if ( UpdateIsoObjectBounds3d(iso_object) ) {
+					MarkDirty();
+				}
 			}
 			
 			var old_visibles_iter = _oldVisibles.GetEnumerator();
@@ -484,8 +484,11 @@ namespace IsoTools {
 		void ClearIsoObjectDepends(IsoObject iso_object) {
 			var their_depends_iter = iso_object.Internal.TheirDepends.GetEnumerator();
 			while ( their_depends_iter.MoveNext() ) {
+				var their_iso_object = their_depends_iter.Current;
+				if ( !their_iso_object.Internal.Dirty ) {
 					their_depends_iter.Current.Internal.SelfDepends.Remove(iso_object);
 				}
+			}
 			iso_object.Internal.SelfDepends.Clear();
 			iso_object.Internal.TheirDepends.Clear();
 		}
@@ -560,6 +563,7 @@ namespace IsoTools {
 		}
 
 		void OnDisable() {
+			ResetAllWorlds();
 			_objects.Clear();
 			_visibles.Clear();
 			_sectors.Clear();

UnityIso.userprefs

@@ -3,7 +3,8 @@
   <MonoDevelop.Ide.Workbench ActiveDocument="Assets/IsoTools/Scripts/IsoWorld.cs">
     <Files>
       <File FileName="Assets/IsoTools/Scripts/IsoCollision.cs" Line="20" Column="24" />
-      <File FileName="Assets/IsoTools/Scripts/IsoWorld.cs" Line="14" Column="25" />
+      <File FileName="Assets/IsoTools/Scripts/IsoWorld.cs" Line="535" Column="39" />
+      <File FileName="Assets/IsoTools/Scripts/IsoObject.cs" Line="234" Column="17" />
     </Files>
   </MonoDevelop.Ide.Workbench>
   <MonoDevelop.Ide.DebuggingService.Breakpoints>