Merged UnityUIExtensions/unity-ui-extensions into master

.gitignore

@@ -32,3 +32,4 @@ sysinfo.txt
 # Builds
 *.apk
 *.unitypackage
+/.vs

Editor/ColorPickerPresetsEditor.cs

@@ -0,0 +1,28 @@
+using UnityEngine;
+using UnityEditor;
+
+namespace UnityEngine.UI.Extensions.ColorPicker
+{
+	[CustomEditor(typeof(ColorPickerPresets))]
+	public class ColorPickerPresetsEditor : Editor
+	{
+		public override void OnInspectorGUI()
+		{
+			base.OnInspectorGUI();
+
+			var colorPickerPresets = (ColorPickerPresets)target;
+			if (colorPickerPresets.saveMode != ColorPickerPresets.SaveType.JsonFile)
+				return;
+
+			string fileLocation = colorPickerPresets.JsonFilePath;
+
+			if (!System.IO.File.Exists(fileLocation))
+				return;
+
+			if (GUILayout.Button("Open JSON file."))
+			{
+				Application.OpenURL(fileLocation);
+			}
+		}
+	}
+}

Editor/ColorPickerPresetsEditor.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 0dc729b738fb01043ac4c04b78575a98
+timeCreated: 1520733906
+licenseType: Pro
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Examples/ColorPicker/Picker 2.0.prefab.meta

@@ -1,8 +1,10 @@
 fileFormatVersion: 2
 guid: 53b194f66900add419869c57ffbe7b85
-timeCreated: 1480025159
+timeCreated: 1519012868
 licenseType: Pro
 NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 100100000
   userData: 
   assetBundleName: 
   assetBundleVariant: 

Examples/ColorPicker/sampler_ring.png.meta

@@ -0,0 +1,117 @@
+fileFormatVersion: 2
+guid: b2ef02fbd2da4554ebbac497ca14bb8d
+timeCreated: 1519009670
+licenseType: Pro
+TextureImporter:
+  fileIDToRecycleName: {}
+  externalObjects: {}
+  serializedVersion: 4
+  mipmaps:
+    mipMapMode: 0
+    enableMipMap: 0
+    sRGBTexture: 1
+    linearTexture: 0
+    fadeOut: 0
+    borderMipMap: 0
+    mipMapsPreserveCoverage: 0
+    alphaTestReferenceValue: 0.5
+    mipMapFadeDistanceStart: 1
+    mipMapFadeDistanceEnd: 3
+  bumpmap:
+    convertToNormalMap: 0
+    externalNormalMap: 0
+    heightScale: 0.25
+    normalMapFilter: 0
+  isReadable: 0
+  grayScaleToAlpha: 0
+  generateCubemap: 6
+  cubemapConvolution: 0
+  seamlessCubemap: 0
+  textureFormat: 1
+  maxTextureSize: 2048
+  textureSettings:
+    serializedVersion: 2
+    filterMode: -1
+    aniso: -1
+    mipBias: -1
+    wrapU: 1
+    wrapV: 1
+    wrapW: -1
+  nPOTScale: 0
+  lightmap: 0
+  compressionQuality: 50
+  spriteMode: 1
+  spriteExtrude: 1
+  spriteMeshType: 1
+  alignment: 0
+  spritePivot: {x: 0.5, y: 0.5}
+  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
+  spritePixelsToUnits: 100
+  alphaUsage: 1
+  alphaIsTransparency: 1
+  spriteTessellationDetail: -1
+  textureType: 8
+  textureShape: 1
+  maxTextureSizeSet: 0
+  compressionQualitySet: 0
+  textureFormatSet: 0
+  platformSettings:
+  - buildTarget: DefaultTexturePlatform
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  - buildTarget: Standalone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  - buildTarget: Android
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  - buildTarget: Windows Store Apps
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
+  spriteSheet:
+    serializedVersion: 2
+    sprites: []
+    outline: []
+    physicsShape: []
+  spritePackingTag: 
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Examples/HSS-VSS-ScrollSnap/ScrollSnapManagedTests.unity

@@ -150,8 +150,8 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
   m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 225.10002, y: -99.100006}
-  m_SizeDelta: {x: -496.4, y: -233.4}
+  m_AnchoredPosition: {x: 298, y: -155.1}
+  m_SizeDelta: {x: -642.3, y: -345.4}
   m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &2641525
 MonoBehaviour:

Examples/UIParticleSystem.meta

@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: 65272187a39b1a64cb82bb9a55cdb703
+folderAsset: yes
+timeCreated: 1521741350
+licenseType: Free
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Examples/UIParticleSystem/UIParticleSystem.unity.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 6de6e08d11a51d14c97c4f7c647a1fca
+timeCreated: 1521741378
+licenseType: Free
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Resources.meta

@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: a7296bad073428c4796089b44a48cab9
+folderAsset: yes
+timeCreated: 1521742084
+licenseType: Free
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Scripts/Controls/ColorPicker/ColorPickerControl.cs

@@ -1,11 +1,12 @@
-///Credit judah4
+///Credit judah4
 ///Sourced from - http://forum.unity3d.com/threads/color-picker.267043/
+using System.Collections.Generic;
 
 namespace UnityEngine.UI.Extensions.ColorPicker
 {
-
+	[ExecuteInEditMode]
 	public class ColorPickerControl : MonoBehaviour
-{
+	{
 		private float _hue = 0;
 		private float _saturation = 0;
 		private float _brightness = 0;
@@ -19,6 +20,51 @@ namespace UnityEngine.UI.Extensions.ColorPicker
 		public ColorChangedEvent onValueChanged = new ColorChangedEvent();
 		public HSVChangedEvent onHSVChanged = new HSVChangedEvent();
 
+		[SerializeField]
+		bool hsvSlidersOn = true;
+
+		[SerializeField]
+		List<GameObject> hsvSliders = new List<GameObject>();
+
+		[SerializeField]
+		bool rgbSlidersOn = true;
+
+		[SerializeField]
+		List<GameObject> rgbSliders = new List<GameObject>();
+
+		[SerializeField]
+		GameObject alphaSlider;
+
+		public void SetHSVSlidersOn(bool value)
+		{
+			hsvSlidersOn = value;
+
+			foreach (var item in hsvSliders)
+				item.SetActive(value);
+
+			if (alphaSlider)
+				alphaSlider.SetActive(hsvSlidersOn || rgbSlidersOn);
+		}
+
+		public void SetRGBSlidersOn(bool value)
+		{
+			rgbSlidersOn = value;
+			foreach (var item in rgbSliders)
+				item.SetActive(value);
+
+			if (alphaSlider)
+				alphaSlider.SetActive(hsvSlidersOn || rgbSlidersOn);
+		}
+
+
+		void Update()
+		{
+#if UNITY_EDITOR
+			SetHSVSlidersOn(hsvSlidersOn);
+			SetRGBSlidersOn(rgbSlidersOn);
+#endif
+		}
+
 		public Color CurrentColor
 		{
 			get
@@ -253,5 +299,5 @@ namespace UnityEngine.UI.Extensions.ColorPicker
 					throw new System.NotImplementedException("");
 			}
 		}
-}
+	}
 }

Scripts/Controls/ColorPicker/ColorPickerPresets.cs

@@ -1,48 +1,194 @@
-///Credit judah4
+///Credit judah4
 ///Sourced from - http://forum.unity3d.com/threads/color-picker.267043/
-
+using System.Collections.Generic;
 
 namespace UnityEngine.UI.Extensions.ColorPicker
 {
 	public class ColorPickerPresets : MonoBehaviour
 	{
 		public ColorPickerControl picker;
-        public GameObject[] presets;
+
+		[SerializeField]
+		protected GameObject presetPrefab;
+
+		[SerializeField]
+		protected int maxPresets = 16;
+
+		[SerializeField]
+		protected Color[] predefinedPresets;
+
+		protected List<Color> presets = new List<Color>();
 		public Image createPresetImage;
+		public Transform createButton;
 
-        void Awake()
+		public enum SaveType { None, PlayerPrefs, JsonFile }
+		[SerializeField]
+		public SaveType saveMode = SaveType.None;
+
+		[SerializeField]
+		protected string playerPrefsKey;
+
+		public virtual string JsonFilePath
 		{
-            //		picker.onHSVChanged.AddListener(HSVChanged);
+			get { return Application.persistentDataPath + "/" + playerPrefsKey + ".json"; }
+		}
+
+		protected virtual void Reset()
+		{
+			playerPrefsKey = "colorpicker_" + GetInstanceID().ToString();
+		}
+
+		protected virtual void Awake()
+		{
+			picker.onHSVChanged.AddListener(HSVChanged);
 			picker.onValueChanged.AddListener(ColorChanged);
+			picker.CurrentColor = Color.white;
+			presetPrefab.SetActive(false);
+
+			presets.AddRange(predefinedPresets);
+			LoadPresets(saveMode);
 		}
 
-        public void CreatePresetButton()
+		public virtual void CreatePresetButton()
 		{
-            for (var i = 0; i < presets.Length; i++)
+			CreatePreset(picker.CurrentColor);
+		}
+
+		public virtual void LoadPresets(SaveType saveType)
 		{
-                if (!presets[i].activeSelf)
+			string jsonData = "";
+			switch (saveType)
 			{
-                    presets[i].SetActive(true);
-                    presets[i].GetComponent<Image>().color = picker.CurrentColor;
+				case SaveType.None:
 					break;
+				case SaveType.PlayerPrefs:
+					if (PlayerPrefs.HasKey(playerPrefsKey))
+					{
+						jsonData = PlayerPrefs.GetString(playerPrefsKey);
 					}
+					break;
+				case SaveType.JsonFile:
+					if (System.IO.File.Exists(JsonFilePath))
+					{
+						jsonData = System.IO.File.ReadAllText(JsonFilePath);
+					}
+					break;
+				default:
+					throw new System.NotImplementedException(saveType.ToString());
+			}	
+
+			if (!string.IsNullOrEmpty(jsonData))
+			{
+				try
+				{
+					var jsonColors = JsonUtility.FromJson<JsonColor>(jsonData);
+					presets.AddRange(jsonColors.GetColors());
+				}
+				catch (System.Exception e)
+				{
+					Debug.LogException(e);
 				}
 			}
 
-        public void PresetSelect(Image sender)
+			foreach (var item in presets)
+			{
+				CreatePreset(item, true);
+			}
+		}
+
+		public virtual void SavePresets(SaveType saveType)
+		{
+			if (presets == null || presets.Count <= 0)
+			{
+				Debug.LogError(
+					"presets cannot be null or empty: " + (presets == null ? "NULL" : "EMPTY"));
+				return;
+			}
+
+			var jsonColor = new JsonColor();
+			jsonColor.SetColors(presets.ToArray());
+
+
+			string jsonData = JsonUtility.ToJson(jsonColor);
+
+			switch (saveType)
+			{
+				case SaveType.None:
+					Debug.LogWarning("Called SavePresets with SaveType = None...");
+					break;
+				case SaveType.PlayerPrefs:
+					PlayerPrefs.SetString(playerPrefsKey, jsonData);
+					break;
+				case SaveType.JsonFile:
+					System.IO.File.WriteAllText(JsonFilePath, jsonData);
+					//Application.OpenURL(JsonFilePath);
+					break;
+				default:
+					throw new System.NotImplementedException(saveType.ToString());
+			}
+		}
+
+		protected class JsonColor
+		{
+			public Color32[] colors;
+			public void SetColors(Color[] colorsIn)
+			{
+				this.colors = new Color32[colorsIn.Length];
+				for (int i = 0; i < colorsIn.Length; i++)
+				{
+					this.colors[i] = colorsIn[i];
+				}
+			}
+
+			public Color[] GetColors()
+			{
+				Color[] colorsOut = new Color[colors.Length];
+				for (int i = 0; i < colors.Length; i++)
+				{
+					colorsOut[i] = colors[i];
+				}
+				return colorsOut;
+			}
+		}
+
+		public virtual void CreatePreset(Color color, bool loading)
+		{
+			createButton.gameObject.SetActive(presets.Count < maxPresets);
+
+			var newPresetButton = Instantiate(presetPrefab, presetPrefab.transform.parent);
+			newPresetButton.transform.SetAsLastSibling();
+			newPresetButton.SetActive(true);
+			newPresetButton.GetComponent<Image>().color = color;
+			
+			createPresetImage.color = Color.white;
+
+			if (!loading)
+			{
+				presets.Add(color);
+				SavePresets(saveMode);
+			}
+		}
+
+		public virtual void CreatePreset(Color color)
+		{
+			CreatePreset(color, false);
+		}
+
+		public virtual void PresetSelect(Image sender)
 		{
 			picker.CurrentColor = sender.color;
 		}
 
-        // Not working, it seems ConvertHsvToRgb() is broken. It doesn't work when fed
-        // input h, s, v as shown below.
-        //	private void HSVChanged(float h, float s, float v)
-        //	{
-        //		createPresetImage.color = HSVUtil.ConvertHsvToRgb(h, s, v, 1);
-        //	}
-        private void ColorChanged(Color color)
+		protected virtual void HSVChanged(float h, float s, float v)
+		{
+			createPresetImage.color = HSVUtil.ConvertHsvToRgb(h * 360, s, v, 1);
+			//Debug.Log("hsv util color: " + createPresetImage.color);
+		}
+
+		protected virtual void ColorChanged(Color color)
 		{
 			createPresetImage.color = color;
+			//Debug.Log("color changed: " + color);
 		}
 	}
 }

Scripts/Controls/ColorPicker/ColorSampler.cs

@@ -0,0 +1,70 @@
+namespace UnityEngine.UI.Extensions.ColorPicker
+{
+	/// <summary>
+	/// Samples colors from a screen capture. 
+	/// Warning! In the editor if you're not in Free aspect mode then 
+	/// the captured area includes the grey areas to the left and right of the game view window.
+	/// In a build this will not be an issue.
+	/// 
+	/// This does not work well with a world space UI as positioning is working with screen space.
+	/// </summary>
+	public class ColorSampler : MonoBehaviour
+	{
+		[SerializeField]
+		protected Button sampler;
+
+		[SerializeField]
+		protected Outline samplerOutline;
+
+		protected Texture2D screenCapture;
+
+		public ColorChangedEvent oncolorSelected = new ColorChangedEvent();
+
+		protected Color color;
+
+		protected virtual void OnEnable()
+		{
+			screenCapture = ScreenCapture.CaptureScreenshotAsTexture();
+			sampler.gameObject.SetActive(true);
+			sampler.onClick.AddListener(SelectColor);
+		}
+
+		protected virtual void OnDisable()
+		{
+			Destroy(screenCapture);
+			sampler.gameObject.SetActive(false);
+			sampler.onClick.RemoveListener(SelectColor);
+		}
+
+		protected virtual void Update()
+		{
+			if (screenCapture == null)
+				return;
+
+			sampler.transform.position = Input.mousePosition;
+			color = screenCapture.GetPixel((int)Input.mousePosition.x, (int)Input.mousePosition.y);
+		
+			HandleSamplerColoring();
+		}
+
+		protected virtual void HandleSamplerColoring()
+		{
+			sampler.image.color = color;
+
+			if (samplerOutline)
+			{
+				var c = Color.Lerp(Color.white, Color.black, color.grayscale > 0.5f ? 1 : 0);
+				c.a = samplerOutline.effectColor.a;
+				samplerOutline.effectColor = c;
+			}
+		}
+
+		protected virtual void SelectColor()
+		{
+			if (oncolorSelected != null)
+				oncolorSelected.Invoke(color);
+
+			enabled = false;
+		}
+	}
+}

Scripts/Controls/ColorPicker/ColorSampler.cs.meta

@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 01c80b26fb6519c4ea3f410dc08f5814
+timeCreated: 1519007668
+licenseType: Pro
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Scripts/Controls/ReorderableList/ReorderableListElement.cs

@@ -9,7 +9,7 @@ using UnityEngine.EventSystems;
 namespace UnityEngine.UI.Extensions
 {
 
-    [RequireComponent(typeof(RectTransform))]
+    [RequireComponent(typeof(RectTransform), typeof(LayoutElement))]
     public class ReorderableListElement : MonoBehaviour, IDragHandler, IBeginDragHandler, IEndDragHandler
     {
         [Tooltip("Can this element be dragged?")]

Scripts/Controls/UI_Knob.cs

@@ -15,17 +15,17 @@ using UnityEngine.EventSystems;
 /// - clampOutput01 - if true the output knobValue will be clamped between 0 and 1 regardless of number of loops.
 /// - snapToPosition - snap to step. NOTE: max value will override the step.
 /// - snapStepsPerLoop - how many snap positions are in one knob loop;
-/// - OnValueChanged - event that is called every frame while rotationg knob, sends <float> argument of knobValue
+/// - OnValueChanged - event that is called every frame while rotating knob, sends <float> argument of knobValue
 /// NOTES
 /// - script works only in images rotation on Z axis;
-/// - while dragging outside of control, the rotation will be cancelled
+/// - while dragging outside of control, the rotation will be canceled
 /// </summary>
 /// 
 namespace UnityEngine.UI.Extensions
 {
     [RequireComponent(typeof(Image))]
     [AddComponentMenu("UI/Extensions/UI_Knob")]
-    public class UI_Knob : MonoBehaviour, IPointerDownHandler, IPointerUpHandler, IPointerEnterHandler, IPointerExitHandler, IBeginDragHandler, IDragHandler
+    public class UI_Knob : Selectable, IPointerDownHandler, IPointerUpHandler, IPointerEnterHandler, IPointerExitHandler, IDragHandler, IInitializePotentialDragHandler
     {
         public enum Direction { CW, CCW };
         [Tooltip("Direction of rotation CW - clockwise, CCW - counterClockwise")]
@@ -36,7 +36,7 @@ namespace UnityEngine.UI.Extensions
         public float maxValue = 0;
         [Tooltip("How many rotations knob can do, if higher than max value, the latter will limit max value")]
         public int loops = 1;
-        [Tooltip("Clamp output value between 0 and 1, usefull with loops > 1")]
+        [Tooltip("Clamp output value between 0 and 1, useful with loops > 1")]
         public bool clampOutput01 = false;
         [Tooltip("snap to position?")]
         public bool snapToPosition = false;
@@ -51,43 +51,65 @@ namespace UnityEngine.UI.Extensions
         private Vector2 _currentVector;
         private Quaternion _initRotation;
         private bool _canDrag = false;
+        [SerializeField]
+        private bool experimental = false;
 
-        //ONLY ALLOW ROTATION WITH POINTER OVER THE CONTROL
-        public void OnPointerDown(PointerEventData eventData)
+        private RectTransform m_HandleRect;
+
+
+        protected override void Awake()
         {
-            _canDrag = true;
+            m_HandleRect = GetComponent<RectTransform>();
         }
-        public void OnPointerUp(PointerEventData eventData)
+
+        public override void OnPointerUp(PointerEventData eventData)
         {
             _canDrag = false;
         }
-        public void OnPointerEnter(PointerEventData eventData)
+        public override void OnPointerEnter(PointerEventData eventData)
         {
             _canDrag = true;
         }
-        public void OnPointerExit(PointerEventData eventData)
+        public override void OnPointerExit(PointerEventData eventData)
         {
             _canDrag = false;
         }
-        public void OnBeginDrag(PointerEventData eventData)
-        {
-            SetInitPointerData(eventData);
-        }
-        void SetInitPointerData(PointerEventData eventData)
+
+
+        public override void OnPointerDown(PointerEventData eventData)
         {
+            _canDrag = true;
+
+            base.OnPointerDown(eventData);
+
             _initRotation = transform.rotation;
+            if (experimental)
+            {
+                RectTransformUtility.ScreenPointToLocalPointInRectangle(m_HandleRect, eventData.position, eventData.pressEventCamera, out _currentVector);
+            }
+            else
+            {
                 _currentVector = eventData.position - (Vector2)transform.position;
+            }
             _initAngle = Mathf.Atan2(_currentVector.y, _currentVector.x) * Mathf.Rad2Deg;
         }
+
         public void OnDrag(PointerEventData eventData)
         {
             //CHECK IF CAN DRAG
             if (!_canDrag)
             {
-                SetInitPointerData(eventData);
                 return;
             }
+
+            if (experimental)
+            {
+                RectTransformUtility.ScreenPointToLocalPointInRectangle(m_HandleRect, eventData.position, eventData.pressEventCamera, out _currentVector);
+            }
+            else
+            {
                 _currentVector = eventData.position - (Vector2)transform.position;
+            }
             _currentAngle = Mathf.Atan2(_currentVector.y, _currentVector.x) * Mathf.Rad2Deg;
 
             Quaternion addRotation = Quaternion.AngleAxis(_currentAngle - _initAngle, this.transform.forward);
@@ -133,7 +155,6 @@ namespace UnityEngine.UI.Extensions
                     {
                         knobValue = 0;
                         transform.localEulerAngles = Vector3.zero;
-                        SetInitPointerData(eventData);
                         InvokeEvents(knobValue + _currentLoops);
                         return;
                     }
@@ -141,7 +162,6 @@ namespace UnityEngine.UI.Extensions
                     {
                         knobValue = 1;
                         transform.localEulerAngles = Vector3.zero;
-                        SetInitPointerData(eventData);
                         InvokeEvents(knobValue + _currentLoops);
                         return;
                     }
@@ -156,7 +176,6 @@ namespace UnityEngine.UI.Extensions
                     knobValue = maxValue;
                     float maxAngle = direction == Direction.CW ? 360f - 360f * maxValue : 360f * maxValue;
                     transform.localEulerAngles = new Vector3(0, 0, maxAngle);
-                    SetInitPointerData(eventData);
                     InvokeEvents(knobValue);
                     return;
                 }
@@ -179,6 +198,11 @@ namespace UnityEngine.UI.Extensions
                 value /= loops;
             OnValueChanged.Invoke(value);
         }
+
+        public virtual void OnInitializePotentialDrag(PointerEventData eventData)
+        {
+            eventData.useDragThreshold = false;
+        }
     }
 
     [System.Serializable]

Scripts/Layout/HorizontalScrollSnap.cs

@@ -239,13 +239,26 @@ namespace UnityEngine.UI.Extensions
             if (_scroll_rect.horizontal)
             {
                 var distance = Vector3.Distance(_startPosition, _screensContainer.localPosition);
-                if (UseFastSwipe && distance < panelDimensions.width && distance >= FastSwipeThreshold)
+                if ((UseFastSwipe && distance < panelDimensions.width && distance >= FastSwipeThreshold) || UseHardSwipe)
                 {
                     _scroll_rect.velocity = Vector3.zero;
                     if (_startPosition.x - _screensContainer.localPosition.x > 0)
+                    {
+                        if (_startPosition.x - _screensContainer.localPosition.x > _childSize / 3)
+                        {
+                            ScrollToClosestElement();
+                        }
+                        else
                         {
                             NextScreen();
                         }
+                    }
+                    else
+                    {
+                        if (_startPosition.x - _screensContainer.localPosition.x > -_childSize / 3)
+                        {
+                            ScrollToClosestElement();
+                        }
                         else
                         {
                             PreviousScreen();
@@ -253,6 +266,7 @@ namespace UnityEngine.UI.Extensions
                     }
                 }
             }
+        }
         #endregion
     }
 }

Scripts/Layout/ScrollSnapBase.cs

@@ -31,7 +31,7 @@ namespace UnityEngine.UI.Extensions
         internal int _previousPage;
         internal int _halfNoVisibleItems;
         internal bool _moveStarted;
-        internal bool _isInfinate; // Is a UI Infinate scroller attached to the control
+        internal bool _isInfinate; // Is a UI Infinite scroller attached to the control
         internal int _infiniteWindow; // The infinite window the control is in
         internal float _infiniteOffset; // How much to offset a repositioning
          private int _bottomItem, _topItem;
@@ -64,6 +64,9 @@ namespace UnityEngine.UI.Extensions
         [Tooltip("Transition speed between pages. (optional)")]
         public float transitionSpeed = 7.5f;
 
+        [Tooltip("Hard Swipe forces to swiping to the next / previous page (optional)")]
+        public Boolean UseHardSwipe = false;
+
         [Tooltip("Fast Swipe makes swiping page next / previous (optional)")]
         public Boolean UseFastSwipe = false;
 
@@ -76,7 +79,7 @@ namespace UnityEngine.UI.Extensions
         [Tooltip("The visible bounds area, controls which items are visible/enabled. *Note Should use a RectMask. (optional)")]
         public RectTransform MaskArea;
 
-        [Tooltip("Pixel size to buffer arround Mask Area. (optional)")]
+        [Tooltip("Pixel size to buffer around Mask Area. (optional)")]
         public float MaskBuffer = 1;
 
         public int CurrentPage
@@ -90,7 +93,7 @@ namespace UnityEngine.UI.Extensions
             {
                 if (_isInfinate)
                 {
-                    //Work out which infinate window we are in
+                    //Work out which infinite window we are in
                     _infiniteWindow = value / _screensContainer.childCount;
                     //Invert the value if negative and differentiate from Window 0
                     _infiniteWindow = value < 0 ? (-_infiniteWindow) + 1 : _infiniteWindow;
@@ -417,7 +420,7 @@ namespace UnityEngine.UI.Extensions
         /// <param name="targetScreen"></param>
         private void ToggleNavigationButtons(int targetScreen)
         {
-            //Ifthis is using an Infinate Scoll, then don't disable
+            //If this is using an Infinite Scroll, then don't disable
             if (!_isInfinate)
             {
                 if (PrevButton)
@@ -509,7 +512,7 @@ namespace UnityEngine.UI.Extensions
         }
 
         /// <summary>
-        /// Returns the Transform of the Currentpage
+        /// Returns the Transform of the Current page
         /// </summary>
         /// <returns>Currently selected Page Transform</returns>
         public Transform CurrentPageObject()
@@ -518,7 +521,7 @@ namespace UnityEngine.UI.Extensions
         }
 
         /// <summary>
-        /// Returns the Transform of the Currentpage in an out param for performance
+        /// Returns the Transform of the Current page in an out parameter for performance
         /// </summary>
         /// <param name="returnObject">Currently selected Page Transform</param>
         public void CurrentPageObject(out Transform returnObject)

Scripts/Layout/VerticalScrollSnap.cs

@@ -239,13 +239,26 @@ namespace UnityEngine.UI.Extensions
             if (_scroll_rect.vertical)
             {
                 var distance = Vector3.Distance(_startPosition, _screensContainer.localPosition);
-                if (UseFastSwipe && distance < panelDimensions.height + FastSwipeThreshold && distance >=1f)
+                if ((UseFastSwipe && distance < panelDimensions.height + FastSwipeThreshold && distance >=1f) || UseHardSwipe)
                 {
                     _scroll_rect.velocity = Vector3.zero;
                     if (_startPosition.y - _screensContainer.localPosition.y > 0)
+                    {
+                        if (_startPosition.y - _screensContainer.localPosition.y > _childSize / 3)
+                        {
+                            ScrollToClosestElement();
+                        }
+                        else
                         {
                             NextScreen();
                         }
+                    }
+                    else
+                    {
+                        if (_startPosition.y - _screensContainer.localPosition.y > -_childSize / 3)
+                        {
+                            ScrollToClosestElement();
+                        }
                         else
                         {
                             PreviousScreen();
@@ -253,6 +266,7 @@ namespace UnityEngine.UI.Extensions
                     }
                 }
             }
+        }
         #endregion
     }
 }