void OnEnable () {

		lastActiveTool = Tools.current;
		
		// Playground Particles
		playgroundParticlesScriptReference = target as PlaygroundParticlesC;
		playgroundParticles = new SerializedObject(playgroundParticlesScriptReference);
		
		shurikenRenderer = playgroundParticlesScriptReference.particleSystemGameObject.particleSystem.renderer as ParticleSystemRenderer;
		
		manipulators = playgroundParticles.FindProperty("manipulators");
		events = playgroundParticles.FindProperty("events");
		snapshots = playgroundParticles.FindProperty("snapshots");
		source = playgroundParticles.FindProperty("source");
		sorting = playgroundParticles.FindProperty("sorting");
		lifetimeSorting = playgroundParticles.FindProperty("lifetimeSorting");
		nearestNeighborOrigin = playgroundParticles.FindProperty("nearestNeighborOrigin");
		activeState = playgroundParticles.FindProperty("activeState");
		particleCount = playgroundParticles.FindProperty("particleCount");
		emissionRate = playgroundParticles.FindProperty("emissionRate");
		updateRate = playgroundParticles.FindProperty("updateRate");
		emit = playgroundParticles.FindProperty("emit");
		loop = playgroundParticles.FindProperty("loop");
		disableOnDone = playgroundParticles.FindProperty("disableOnDone");
		calculate = playgroundParticles.FindProperty("calculate");
		deltaMovementStrength = playgroundParticles.FindProperty("deltaMovementStrength");
		particleTimescale = playgroundParticles.FindProperty("particleTimescale");
		sizeMin = playgroundParticles.FindProperty("sizeMin");
		sizeMax = playgroundParticles.FindProperty("sizeMax");
		overflowOffset = playgroundParticles.FindProperty("overflowOffset");
		overflowMode = playgroundParticles.FindProperty("overflowMode");
		lifetime = playgroundParticles.FindProperty("lifetime");
		lifetimeSize = playgroundParticles.FindProperty("lifetimeSize");
		turbulenceLifetimeStrength = playgroundParticles.FindProperty("turbulenceLifetimeStrength");
		lifetimeVelocity = playgroundParticles.FindProperty("lifetimeVelocity");
		initialVelocityShape = playgroundParticles.FindProperty("initialVelocityShape");
		initialVelocityMin = playgroundParticles.FindProperty("initialVelocityMin");
		initialVelocityMax = playgroundParticles.FindProperty("initialVelocityMax");
		initialLocalVelocityMin = playgroundParticles.FindProperty("initialLocalVelocityMin");
		initialLocalVelocityMax = playgroundParticles.FindProperty("initialLocalVelocityMax");
		lifetimeColor = playgroundParticles.FindProperty("lifetimeColor");
		lifetimeColors = playgroundParticles.FindProperty ("lifetimeColors");
		colorSource = playgroundParticles.FindProperty("colorSource");
		collision = playgroundParticles.FindProperty("collision");
		affectRigidbodies = playgroundParticles.FindProperty("affectRigidbodies");
		mass = playgroundParticles.FindProperty("mass");
		collisionRadius = playgroundParticles.FindProperty("collisionRadius");
		collisionMask = playgroundParticles.FindProperty("collisionMask");
		collisionType = playgroundParticles.FindProperty("collisionType");
		bounciness = playgroundParticles.FindProperty("bounciness");
		states = playgroundParticles.FindProperty("states");
		worldObject = playgroundParticles.FindProperty("worldObject");
		skinnedWorldObject = playgroundParticles.FindProperty("skinnedWorldObject");
		sourceTransform = playgroundParticles.FindProperty("sourceTransform");
		worldObjectUpdateVertices = playgroundParticles.FindProperty ("worldObjectUpdateVertices");
		worldObjectUpdateNormals = playgroundParticles.FindProperty("worldObjectUpdateNormals");
		sourcePaint = playgroundParticles.FindProperty("paint");
		sourceProjection = playgroundParticles.FindProperty("projection");
		lifetimeStretching = playgroundParticles.FindProperty("stretchLifetime");

		playgroundParticlesScriptReference.shurikenParticleSystem = playgroundParticlesScriptReference.GetComponent<ParticleSystem>();
		playgroundParticlesScriptReference.particleSystemRenderer = playgroundParticlesScriptReference.shurikenParticleSystem.renderer;
		particleMaterial = playgroundParticlesScriptReference.particleSystemRenderer.sharedMaterial;
		
		onlySourcePositioning = playgroundParticles.FindProperty("onlySourcePositioning");
		
		applyLifetimeVelocity = playgroundParticles.FindProperty("applyLifetimeVelocity");
		lifeTimeVelocityX = lifetimeVelocity.FindPropertyRelative("x");
		lifeTimeVelocityY = lifetimeVelocity.FindPropertyRelative("y");
		lifeTimeVelocityZ = lifetimeVelocity.FindPropertyRelative("z");
		
		initialVelocityShapeX = initialVelocityShape.FindPropertyRelative("x");
		initialVelocityShapeY = initialVelocityShape.FindPropertyRelative("y");
		initialVelocityShapeZ = initialVelocityShape.FindPropertyRelative("z");
		
		applyInitialVelocity = playgroundParticles.FindProperty("applyInitialVelocity");
		applyInitialLocalVelocity = playgroundParticles.FindProperty("applyInitialLocalVelocity");
		applyVelocityBending = playgroundParticles.FindProperty("applyVelocityBending");
		velocityBendingType = playgroundParticles.FindProperty("velocityBendingType");

		movementCompensationLifetimeStrength = playgroundParticles.FindProperty ("movementCompensationLifetimeStrength");
		
		worldObjectGameObject = worldObject.FindPropertyRelative("gameObject");
		skinnedWorldObjectGameObject = skinnedWorldObject.FindPropertyRelative("gameObject");

		// Lifetime colors
		if (playgroundParticlesScriptReference.lifetimeColors==null)
			playgroundParticlesScriptReference.lifetimeColors = new List<PlaygroundGradientC>();

		// Sorting
		prevLifetimeSortingKeys = playgroundParticlesScriptReference.lifetimeSorting.keys;
		
		// Manipulator list
		manipulatorListFoldout = new List<bool>();
		manipulatorListFoldout.AddRange(new bool[playgroundParticlesScriptReference.manipulators.Count]);

		// Events list
		eventListFoldout = new List<bool>();
		eventListFoldout.AddRange(new bool[playgroundParticlesScriptReference.events.Count]);

		// States foldout
		statesListFoldout = new List<bool>();
		statesListFoldout.AddRange(new bool[playgroundParticlesScriptReference.states.Count]);

		previousSource = playgroundParticlesScriptReference.source;
		
		// Playground
		playgroundScriptReference = FindObjectOfType<PlaygroundC>();
		
		
		// Create a manager if no existing instance is in the scene
		if (!playgroundScriptReference && Selection.activeTransform!=null) {
			PlaygroundC.ResourceInstantiate("Playground Manager");
			playgroundScriptReference = FindObjectOfType<PlaygroundC>();
		}
		
		if (playgroundScriptReference!=null) {
			PlaygroundC.reference = playgroundScriptReference;

			// Serialize Playground
			playground = new SerializedObject(playgroundScriptReference);
			
			PlaygroundInspectorC.Initialize(playgroundScriptReference);
			
			
			// Add this PlaygroundParticles if not existing in Playground list
			if (!playgroundParticlesScriptReference.isSnapshot && !playgroundScriptReference.particleSystems.Contains(playgroundParticlesScriptReference) && Selection.activeTransform!=null)
				playgroundScriptReference.particleSystems.Add(playgroundParticlesScriptReference);
				
			// Cache components
			playgroundParticlesScriptReference.particleSystemGameObject = playgroundParticlesScriptReference.gameObject;
			playgroundParticlesScriptReference.particleSystemTransform = playgroundParticlesScriptReference.transform;
			playgroundParticlesScriptReference.particleSystemRenderer = playgroundParticlesScriptReference.renderer;
			playgroundParticlesScriptReference.shurikenParticleSystem = playgroundParticlesScriptReference.particleSystemGameObject.GetComponent<ParticleSystem>();
			playgroundParticlesScriptReference.particleSystemRenderer2 = playgroundParticlesScriptReference.particleSystemGameObject.particleSystem.renderer as ParticleSystemRenderer;
			
			// Set manager as parent 
			if (PlaygroundC.reference.autoGroup && playgroundParticlesScriptReference.particleSystemTransform!=null && playgroundParticlesScriptReference.particleSystemTransform.parent == null && Selection.activeTransform!=null)
				playgroundParticlesScriptReference.particleSystemTransform.parent = PlaygroundC.referenceTransform;
			
			// Issue a quick refresh
			if (!EditorApplication.isPlaying)
				foreach (PlaygroundParticlesC p in PlaygroundC.reference.particleSystems)
					p.Start();
		}

		selectedSort = sorting.intValue;

		// State initial values
		if (addStateTransform==null)
			addStateTransform = (Transform)playgroundParticlesScriptReference.particleSystemTransform;
		
		// Visiblity of Shuriken component in Inspector
		if (!playgroundScriptReference || playgroundScriptReference && !playgroundScriptReference.showShuriken)
			playgroundParticlesScriptReference.shurikenParticleSystem.hideFlags = HideFlags.HideInInspector;
		else
			playgroundParticlesScriptReference.shurikenParticleSystem.hideFlags = HideFlags.None;

		SetWireframeVisibility();

		// Set paint init
		paintLayerMask = sourcePaint.FindPropertyRelative("layerMask");
		paintCollisionType = sourcePaint.FindPropertyRelative("collisionType");
		
		LoadBrushes();
		
		// Set projection init
		projectionMask = sourceProjection.FindPropertyRelative("projectionMask");
		projectionCollisionType = sourceProjection.FindPropertyRelative("collisionType");

		// Snapshots
		if (playgroundParticlesScriptReference.snapshots.Count>0) {
			if (playgroundParticlesScriptReference.snapshots.Count>0) {
				for (int i = 0; i<playgroundParticlesScriptReference.snapshots.Count; i++)
					if (playgroundParticlesScriptReference.snapshots[i].settings==null)
						playgroundParticlesScriptReference.snapshots.RemoveAt(i);
			}
			saveName += " "+(playgroundParticlesScriptReference.snapshots.Count+1).ToString();
		}
	}
	void OnEnable () {

		lastActiveTool = Tools.current;
		isEditingInHierarchy = Selection.activeTransform!=null;

		// Load settings
		playgroundSettings = PlaygroundSettingsC.GetReference();
		
		// Load language
		playgroundLanguage = PlaygroundSettingsC.GetLanguage();
		
		// Playground Particles
		playgroundParticlesScriptReference = target as PlaygroundParticlesC;
		if (playgroundParticlesScriptReference==null) return;
		playgroundParticles = new SerializedObject(playgroundParticlesScriptReference);
		
		shurikenRenderer = playgroundParticlesScriptReference.particleSystemGameObject.GetComponent<ParticleSystem>().GetComponent<Renderer>() as ParticleSystemRenderer;

		// Sorting layers
		Type internalEditorUtilityType = typeof(InternalEditorUtility);
		PropertyInfo sortingLayersProperty = internalEditorUtilityType.GetProperty("sortingLayerNames", BindingFlags.Static | BindingFlags.NonPublic);
		rendererSortingLayers = (string[])sortingLayersProperty.GetValue(null, new object[0]);
		for (int i = 0; i<rendererSortingLayers.Length; i++) {
			if (shurikenRenderer.sortingLayerName == rendererSortingLayers[i])
				selectedSortingLayer = i;
		}

		// UV Module (Texture Sheet Animation)
		shuriken = new SerializedObject(playgroundParticlesScriptReference.shurikenParticleSystem);
		uvModule = shuriken.FindProperty("UVModule");
		uvModule_enabled = uvModule.FindPropertyRelative("enabled");
		uvModule_frameOverTime_scalar = uvModule.FindPropertyRelative("frameOverTime.scalar");
		uvModule_frameOverTime_minCurve = uvModule.FindPropertyRelative("frameOverTime.minCurve");
		uvModule_frameOverTime_maxCurve = uvModule.FindPropertyRelative("frameOverTime.maxCurve");
		uvModule_frameOverTime_minMaxState = uvModule.FindPropertyRelative("frameOverTime.minMaxState");
		uvModule_tilesX = uvModule.FindPropertyRelative("tilesX");
		uvModule_tilesY = uvModule.FindPropertyRelative("tilesY");
		uvModule_animationType = uvModule.FindPropertyRelative("animationType");
		uvModule_rowIndex = uvModule.FindPropertyRelative("rowIndex");
		uvModule_cycles = uvModule.FindPropertyRelative("cycles");
		uvModule_randomRow = uvModule.FindPropertyRelative("randomRow");
		uv_animationType = (AnimationType)uvModule_animationType.intValue;
		uv_minMaxState = (MinMaxState)uvModule_frameOverTime_minMaxState.intValue;


		shurikenRendererSO = new SerializedObject(shurikenRenderer);
		sortingMode = shurikenRendererSO.FindProperty("m_SortMode");
		sortingFudge = shurikenRendererSO.FindProperty("m_SortingFudge");
		sortMode = (SortMode)sortingMode.intValue;

		manipulators = playgroundParticles.FindProperty("manipulators");
		events = playgroundParticles.FindProperty("events");
		snapshots = playgroundParticles.FindProperty("snapshots");
		source = playgroundParticles.FindProperty("source");
		sorting = playgroundParticles.FindProperty("sorting");
		lifetimeSorting = playgroundParticles.FindProperty("lifetimeSorting");
		activeState = playgroundParticles.FindProperty("activeState");
		particleCount = playgroundParticles.FindProperty("particleCount");
		emissionRate = playgroundParticles.FindProperty("emissionRate");
		updateRate = playgroundParticles.FindProperty("updateRate");
		emit = playgroundParticles.FindProperty("emit");
		loop = playgroundParticles.FindProperty("loop");
		disableOnDone = playgroundParticles.FindProperty("disableOnDone");
		disableOnDoneRoutine = playgroundParticles.FindProperty("disableOnDoneRoutine");
		calculate = playgroundParticles.FindProperty("calculate");
		deltaMovementStrength = playgroundParticles.FindProperty("deltaMovementStrength");
		particleTimescale = playgroundParticles.FindProperty("particleTimescale");
		sizeMin = playgroundParticles.FindProperty("sizeMin");
		sizeMax = playgroundParticles.FindProperty("sizeMax");
		overflowOffset = playgroundParticles.FindProperty("overflowOffset");
		overflowMode = playgroundParticles.FindProperty("overflowMode");
		lifetime = playgroundParticles.FindProperty("lifetime");
		lifetimeSize = playgroundParticles.FindProperty("lifetimeSize");
		arraySize = playgroundParticles.FindProperty("particleArraySize");
		turbulenceLifetimeStrength = playgroundParticles.FindProperty("turbulenceLifetimeStrength");
		lifetimeVelocity = playgroundParticles.FindProperty("lifetimeVelocity");
		initialVelocityShape = playgroundParticles.FindProperty("initialVelocityShape");
		initialVelocityMin = playgroundParticles.FindProperty("initialVelocityMin");
		initialVelocityMax = playgroundParticles.FindProperty("initialVelocityMax");
		initialLocalVelocityMin = playgroundParticles.FindProperty("initialLocalVelocityMin");
		initialLocalVelocityMax = playgroundParticles.FindProperty("initialLocalVelocityMax");
		lifetimeColor = playgroundParticles.FindProperty("lifetimeColor");
		lifetimeColors = playgroundParticles.FindProperty ("lifetimeColors");
		arrayColor = playgroundParticles.FindProperty("arrayColorAlpha");
		colorSource = playgroundParticles.FindProperty("colorSource");
		collision = playgroundParticles.FindProperty("collision");
		affectRigidbodies = playgroundParticles.FindProperty("affectRigidbodies");
		mass = playgroundParticles.FindProperty("mass");
		collisionRadius = playgroundParticles.FindProperty("collisionRadius");
		collisionMask = playgroundParticles.FindProperty("collisionMask");
		collisionType = playgroundParticles.FindProperty("collisionType");
		bounciness = playgroundParticles.FindProperty("bounciness");
		states = playgroundParticles.FindProperty("states");
		worldObject = playgroundParticles.FindProperty("worldObject");
		skinnedWorldObject = playgroundParticles.FindProperty("skinnedWorldObject");
		forceSkinnedMeshUpdateOnMainThread = playgroundParticles.FindProperty ("forceSkinnedMeshUpdateOnMainThread");
		sourceTransform = playgroundParticles.FindProperty("sourceTransform");
		worldObjectUpdateVertices = playgroundParticles.FindProperty ("worldObjectUpdateVertices");
		worldObjectUpdateNormals = playgroundParticles.FindProperty("worldObjectUpdateNormals");
		sourcePaint = playgroundParticles.FindProperty("paint");
		sourceProjection = playgroundParticles.FindProperty("projection");
		sourceSplines = playgroundParticles.FindProperty("splines");
		sourceTransforms = playgroundParticles.FindProperty("sourceTransforms");
		lifetimeStretching = playgroundParticles.FindProperty("stretchLifetime");
		threadMethod = playgroundParticles.FindProperty("threadMethod");

		playgroundParticlesScriptReference.shurikenParticleSystem = playgroundParticlesScriptReference.GetComponent<ParticleSystem>();
		playgroundParticlesScriptReference.particleSystemRenderer = playgroundParticlesScriptReference.shurikenParticleSystem.GetComponent<Renderer>();
		particleMaterial = playgroundParticlesScriptReference.particleSystemRenderer.sharedMaterial;
		
		onlySourcePositioning = playgroundParticles.FindProperty("onlySourcePositioning");

		lifetimePositioning = playgroundParticles.FindProperty("lifetimePositioning");
		lifetimePositioningX = lifetimePositioning.FindPropertyRelative("x");
		lifetimePositioningY = lifetimePositioning.FindPropertyRelative("y");
		lifetimePositioningZ = lifetimePositioning.FindPropertyRelative("z");
		lifetimePositioningTimeScale = playgroundParticles.FindProperty ("lifetimePositioningTimeScale");
		lifetimePositioningPositionScale = playgroundParticles.FindProperty ("lifetimePositioningPositionScale");

		applyLifetimeVelocity = playgroundParticles.FindProperty("applyLifetimeVelocity");
		lifeTimeVelocityX = lifetimeVelocity.FindPropertyRelative("x");
		lifeTimeVelocityY = lifetimeVelocity.FindPropertyRelative("y");
		lifeTimeVelocityZ = lifetimeVelocity.FindPropertyRelative("z");
		
		initialVelocityShapeX = initialVelocityShape.FindPropertyRelative("x");
		initialVelocityShapeY = initialVelocityShape.FindPropertyRelative("y");
		initialVelocityShapeZ = initialVelocityShape.FindPropertyRelative("z");
		
		applyInitialVelocity = playgroundParticles.FindProperty("applyInitialVelocity");
		applyInitialLocalVelocity = playgroundParticles.FindProperty("applyInitialLocalVelocity");
		applyVelocityBending = playgroundParticles.FindProperty("applyVelocityBending");
		velocityBendingType = playgroundParticles.FindProperty("velocityBendingType");

		movementCompensationLifetimeStrength = playgroundParticles.FindProperty ("movementCompensationLifetimeStrength");
		
		worldObjectGameObject = worldObject.FindPropertyRelative("gameObject");
		skinnedWorldObjectGameObject = skinnedWorldObject.FindPropertyRelative("gameObject");

		// Lifetime colors
		if (playgroundParticlesScriptReference.lifetimeColors==null)
			playgroundParticlesScriptReference.lifetimeColors = new List<PlaygroundGradientC>();

		// Sorting
		prevLifetimeSortingKeys = playgroundParticlesScriptReference.lifetimeSorting.keys;

		// Events list
		eventListFoldout = new List<bool>();
		eventListFoldout.AddRange(new bool[playgroundParticlesScriptReference.events.Count]);

		// States foldout
		statesListFoldout = new List<bool>();
		statesListFoldout.AddRange(new bool[playgroundParticlesScriptReference.states.Count]);

		previousSource = playgroundParticlesScriptReference.source;
		
		// Playground
		playgroundScriptReference = FindObjectOfType<PlaygroundC>();
		
		
		// Create a manager if no existing instance is in the scene
		if (!playgroundScriptReference && Selection.activeTransform!=null) {
			PlaygroundC.ResourceInstantiate("Playground Manager");
			playgroundScriptReference = FindObjectOfType<PlaygroundC>();
		}
		
		if (playgroundScriptReference!=null) {

			PlaygroundC.reference = playgroundScriptReference;

			// Serialize Playground
			playground = new SerializedObject(playgroundScriptReference);
			
			PlaygroundInspectorC.Initialize(playgroundScriptReference);
			
			
			// Add this PlaygroundParticles if not existing in Playground list
			if (!playgroundParticlesScriptReference.isSnapshot && !playgroundScriptReference.particleSystems.Contains(playgroundParticlesScriptReference) && Selection.activeTransform!=null)
				playgroundScriptReference.particleSystems.Add(playgroundParticlesScriptReference);
				
			// Cache components
			playgroundParticlesScriptReference.particleSystemGameObject = playgroundParticlesScriptReference.gameObject;
			playgroundParticlesScriptReference.particleSystemTransform = playgroundParticlesScriptReference.transform;
			playgroundParticlesScriptReference.particleSystemRenderer = playgroundParticlesScriptReference.GetComponent<Renderer>();
			playgroundParticlesScriptReference.shurikenParticleSystem = playgroundParticlesScriptReference.particleSystemGameObject.GetComponent<ParticleSystem>();
			playgroundParticlesScriptReference.particleSystemRenderer2 = playgroundParticlesScriptReference.particleSystemGameObject.GetComponent<ParticleSystem>().GetComponent<Renderer>() as ParticleSystemRenderer;
			
			// Set manager as parent 
			//if (PlaygroundC.reference.autoGroup && playgroundParticlesScriptReference.particleSystemTransform!=null && playgroundParticlesScriptReference.particleSystemTransform.parent == null && Selection.activeTransform!=null)
			//	playgroundParticlesScriptReference.particleSystemTransform.parent = PlaygroundC.referenceTransform;
			
			// Issue a quick refresh

			if (!EditorApplication.isPlaying && isEditingInHierarchy) {
				foreach (PlaygroundParticlesC p in PlaygroundC.reference.particleSystems) {
					p.Start();
				}
			}
		}

		selectedSort = sorting.intValue;

		// State initial values
		if (addStateTransform==null)
			addStateTransform = (Transform)playgroundParticlesScriptReference.particleSystemTransform;
		
		// Visiblity of Shuriken component in Inspector
		if (!playgroundScriptReference || playgroundScriptReference && !playgroundScriptReference.showShuriken)
			playgroundParticlesScriptReference.shurikenParticleSystem.hideFlags = HideFlags.HideInInspector;
		else
			playgroundParticlesScriptReference.shurikenParticleSystem.hideFlags = HideFlags.None;

		SetWireframeVisibility();

		// Set paint init
		paintLayerMask = sourcePaint.FindPropertyRelative("layerMask");
		paintCollisionType = sourcePaint.FindPropertyRelative("collisionType");
		
		// Set projection init
		projectionMask = sourceProjection.FindPropertyRelative("projectionMask");
		projectionCollisionType = sourceProjection.FindPropertyRelative("collisionType");

		// Snapshots
		if (playgroundParticlesScriptReference.snapshots.Count>0) {
			if (playgroundParticlesScriptReference.snapshots.Count>0) {
				for (int i = 0; i<playgroundParticlesScriptReference.snapshots.Count; i++)
					if (playgroundParticlesScriptReference.snapshots[i].settings==null)
						playgroundParticlesScriptReference.snapshots.RemoveAt(i);
			}
			saveName += " "+(playgroundParticlesScriptReference.snapshots.Count+1).ToString();
		}

		SetMissingKeys();
	}