Add project files.

Assets/Scripts/HSVPicker/UI/ColorImage.cs

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+using UnityEngine;
+using UnityEngine.UI;
+
+namespace HSVPicker
+{
+    [RequireComponent(typeof(Image))]
+    public class ColorImage : MonoBehaviour
+    {
+        public ColorPicker picker;
+
+        private Image image;
+
+        private void Awake()
+        {
+            image = GetComponent<Image>();
+            picker.onValueChanged.AddListener(ColorChanged);
+        }
+
+        private void OnDestroy()
+        {
+            picker.onValueChanged.RemoveListener(ColorChanged);
+        }
+
+        private void ColorChanged(Color newColor)
+        {
+            image.color = newColor;
+        }
+    }
+
+}

Assets/Scripts/HSVPicker/UI/ColorImage.cs.meta

@@ -0,0 +1,12 @@
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+guid: 6bca58eb07ad66b498a2f158bcb13225
+timeCreated: 1442675622
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/HSVPicker/UI/ColorLabel.cs

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+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+
+namespace HSVPicker
+{
+
+    [RequireComponent(typeof(TMP_Text))]
+    public class ColorLabel : MonoBehaviour
+    {
+        public ColorPicker picker;
+
+        public ColorValues type;
+
+        public string prefix = "R: ";
+        public float minValue = 0;
+        public float maxValue = 255;
+
+        public int precision = 0;
+
+        [SerializeField, HideInInspector]
+        private TMP_Text label;
+
+        private void Awake()
+        {
+            label = GetComponent<TMP_Text>();
+
+        }
+
+        private void OnEnable()
+        {
+            if (Application.isPlaying && picker != null)
+            {
+                picker.onValueChanged.AddListener(ColorChanged);
+                picker.onHSVChanged.AddListener(HSVChanged);
+            }
+        }
+
+        private void OnDestroy()
+        {
+            if (picker != null)
+            {
+                picker.onValueChanged.RemoveListener(ColorChanged);
+                picker.onHSVChanged.RemoveListener(HSVChanged);
+            }
+        }
+
+    #if UNITY_EDITOR
+        private void OnValidate()
+        {
+            label = GetComponent<TMP_Text>();
+            UpdateValue();
+        }
+    #endif
+
+        private void ColorChanged(Color color)
+        {
+            UpdateValue();
+        }
+
+        private void HSVChanged(float hue, float sateration, float value)
+        {
+            UpdateValue();
+        }
+
+        private void UpdateValue()
+        {
+            if(label == null)
+                return;
+
+            if (picker == null)
+            {
+                label.text = prefix + "-";
+            }
+            else
+            {
+                float value = minValue + (picker.GetValue(type) * (maxValue - minValue));
+
+                label.text = prefix + ConvertToDisplayString(value);
+            }
+        }
+
+        private string ConvertToDisplayString(float value)
+        {
+            if (precision > 0)
+                return value.ToString("f " + precision);
+            else
+                return Mathf.FloorToInt(value).ToString();
+        }
+    }
+
+}

Assets/Scripts/HSVPicker/UI/ColorLabel.cs.meta

@@ -0,0 +1,12 @@
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+guid: 6b10e832a32d2d14facd8a3f489ee8d6
+timeCreated: 1442587803
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/HSVPicker/UI/ColorPicker.cs

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+using UnityEngine;
+namespace HSVPicker
+{
+    public class ColorPicker : MonoBehaviour
+    {
+
+        private float _hue = 0;
+        private float _saturation = 0;
+        private float _brightness = 0;
+
+        [SerializeField]
+        private Color _color = Color.red;
+
+        [Header("Setup")]
+        public ColorPickerSetup Setup;
+
+        [Header("Event")]
+        public ColorChangedEvent onValueChanged = new ColorChangedEvent();
+        public HSVChangedEvent onHSVChanged = new HSVChangedEvent();
+
+        public Color CurrentColor
+        {
+            get
+            {
+                return _color;
+            }
+            set
+            {
+                if (CurrentColor == value)
+                    return;
+
+                _color = value;
+
+                RGBChanged();
+            
+                SendChangedEvent();
+            }
+        }
+
+        private void Start()
+        {
+            Setup.AlphaSlidiers.Toggle(Setup.ShowAlpha);
+            Setup.ColorToggleElement.Toggle(Setup.ShowColorSliderToggle);
+            Setup.RgbSliders.Toggle(Setup.ShowRgb);
+            Setup.HsvSliders.Toggle(Setup.ShowHsv);
+            Setup.ColorBox.Toggle(Setup.ShowColorBox);
+
+            HandleHeaderSetting(Setup.ShowHeader);
+            UpdateColorToggleText();
+
+            RGBChanged();
+            SendChangedEvent();
+        }
+
+        public float H
+        {
+            get
+            {
+                return _hue;
+            }
+            set
+            {
+                if (_hue == value)
+                    return;
+
+                _hue = value;
+
+                HSVChanged();
+
+                SendChangedEvent();
+            }
+        }
+
+        public float S
+        {
+            get
+            {
+                return _saturation;
+            }
+            set
+            {
+                if (_saturation == value)
+                    return;
+
+                _saturation = value;
+
+                HSVChanged();
+
+                SendChangedEvent();
+            }
+        }
+
+        public float V
+        {
+            get
+            {
+                return _brightness;
+            }
+            set
+            {
+                if (_brightness == value)
+                    return;
+
+                _brightness = value;
+
+                HSVChanged();
+
+                SendChangedEvent();
+            }
+        }
+
+        public float R
+        {
+            get
+            {
+                return _color.r;
+            }
+            set
+            {
+                if (_color.r == value)
+                    return;
+
+                _color.r = value;
+
+                RGBChanged();
+
+                SendChangedEvent();
+            }
+        }
+
+        public float G
+        {
+            get
+            {
+                return _color.g;
+            }
+            set
+            {
+                if (_color.g == value)
+                    return;
+
+                _color.g = value;
+
+                RGBChanged();
+
+                SendChangedEvent();
+            }
+        }
+
+        public float B
+        {
+            get
+            {
+                return _color.b;
+            }
+            set
+            {
+                if (_color.b == value)
+                    return;
+
+                _color.b = value;
+
+                RGBChanged();
+
+                SendChangedEvent();
+            }
+        }
+
+        private float A
+        {
+            get
+            {
+                return _color.a;
+            }
+            set
+            {
+                if (_color.a == value)
+                    return;
+
+                _color.a = value;
+
+                SendChangedEvent();
+            }
+        }
+
+        private void RGBChanged()
+        {
+            HsvColor color = HSVUtil.ConvertRgbToHsv(CurrentColor);
+
+            _hue = color.normalizedH;
+            _saturation = color.normalizedS;
+            _brightness = color.normalizedV;
+        }
+
+        private void HSVChanged()
+        {
+            Color color = HSVUtil.ConvertHsvToRgb(_hue * 360, _saturation, _brightness, _color.a);
+
+            _color = color;
+        }
+
+        private void SendChangedEvent()
+        {
+            onValueChanged.Invoke(CurrentColor);
+            onHSVChanged.Invoke(_hue, _saturation, _brightness);
+        }
+
+        public void AssignColor(ColorValues type, float value)
+        {
+            switch (type)
+            {
+                case ColorValues.R:
+                    R = value;
+                    break;
+                case ColorValues.G:
+                    G = value;
+                    break;
+                case ColorValues.B:
+                    B = value;
+                    break;
+                case ColorValues.A:
+                    A = value;
+                    break;
+                case ColorValues.Hue:
+                    H = value;
+                    break;
+                case ColorValues.Saturation:
+                    S = value;
+                    break;
+                case ColorValues.Value:
+                    V = value;
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        public void AssignColor(Color color)
+        {
+            CurrentColor = color;
+        }
+
+        public float GetValue(ColorValues type)
+        {
+            switch (type)
+            {
+                case ColorValues.R:
+                    return R;
+                case ColorValues.G:
+                    return G;
+                case ColorValues.B:
+                    return B;
+                case ColorValues.A:
+                    return A;
+                case ColorValues.Hue:
+                    return H;
+                case ColorValues.Saturation:
+                    return S;
+                case ColorValues.Value:
+                    return V;
+                default:
+                    throw new System.NotImplementedException("");
+            }
+        }
+
+        public void ToggleColorSliders()
+        {
+            Setup.ShowHsv = !Setup.ShowHsv;
+            Setup.ShowRgb = !Setup.ShowRgb;
+            Setup.HsvSliders.Toggle(Setup.ShowHsv);
+            Setup.RgbSliders.Toggle(Setup.ShowRgb);
+
+
+            UpdateColorToggleText();
+        }
+
+        void UpdateColorToggleText()
+        {
+            if (Setup.ShowRgb)
+            {
+                Setup.SliderToggleButtonText.text = "RGB";
+            }
+
+            if (Setup.ShowHsv)
+            {
+                Setup.SliderToggleButtonText.text = "HSV";
+            }
+        }
+
+        private void HandleHeaderSetting(ColorPickerSetup.ColorHeaderShowing setupShowHeader)
+        {
+            if (setupShowHeader == ColorPickerSetup.ColorHeaderShowing.Hide)
+            {
+                Setup.ColorHeader.Toggle(false);
+                return;
+            }
+
+            Setup.ColorHeader.Toggle(true);
+
+            Setup.ColorPreview.Toggle(setupShowHeader != ColorPickerSetup.ColorHeaderShowing.ShowColorCode);
+            Setup.ColorCode.Toggle(setupShowHeader != ColorPickerSetup.ColorHeaderShowing.ShowColor);
+
+        }
+    }
+
+}

Assets/Scripts/HSVPicker/UI/ColorPicker.cs.meta

@@ -0,0 +1,8 @@
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+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 

Assets/Scripts/HSVPicker/UI/ColorPickerSetup.cs

@@ -0,0 +1,58 @@
+
+using UnityEngine;
+using TMPro;
+
+namespace HSVPicker
+{
+    [System.Serializable]
+    public class ColorPickerSetup
+    {
+        public enum ColorHeaderShowing
+        {
+            Hide,
+            ShowColor,
+            ShowColorCode,
+            ShowAll,
+        }
+
+        [System.Serializable]
+        public class UiElements
+        {
+            public RectTransform[] Elements;
+
+
+            public void Toggle(bool active)
+            {
+                for (int cnt = 0; cnt < Elements.Length; cnt++)
+                {
+                    Elements[cnt].gameObject.SetActive(active);
+                }
+            }
+
+        }
+
+        public bool ShowRgb = true;
+        public bool ShowHsv;
+        public bool ShowAlpha = true;
+        public bool ShowColorBox = true;
+        public bool ShowColorSliderToggle = true;
+
+        public ColorHeaderShowing ShowHeader = ColorHeaderShowing.ShowAll;
+
+        public UiElements RgbSliders;
+        public UiElements HsvSliders;
+        public UiElements ColorToggleElement;
+        public UiElements AlphaSlidiers;
+
+
+        public UiElements ColorHeader;
+        public UiElements ColorCode;
+        public UiElements ColorPreview;
+
+        public UiElements ColorBox;
+        public TMP_Text SliderToggleButtonText;
+
+        public string PresetColorsId = "default";
+        public Color[] DefaultPresetColors;
+    }
+}

Assets/Scripts/HSVPicker/UI/ColorPickerSetup.cs.meta

@@ -0,0 +1,11 @@
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Assets/Scripts/HSVPicker/UI/ColorPresetManager.cs

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+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Events;
+
+namespace HSVPicker
+{
+    public static class ColorPresetManager
+    {
+        private static Dictionary<string, ColorPresetList> _presets = new Dictionary<string, ColorPresetList>();
+
+        public static  ColorPresetList Get(string listId = "default")
+        {
+            ColorPresetList preset;
+            if (!_presets.TryGetValue(listId, out preset))
+            {
+                preset = new ColorPresetList(listId);
+                _presets.Add(listId, preset);
+            }
+
+            return preset;
+        }
+
+
+    }
+
+    public class ColorPresetList
+    {
+        public string ListId { get; private set; }
+        public List<Color> Colors { get; private set; }
+
+        public event UnityAction<List<Color>> OnColorsUpdated;
+
+        public ColorPresetList(string listId, List<Color> colors = null)
+        {
+            if (colors == null)
+            {
+                colors = new List<Color>();
+            }
+
+            Colors = colors;
+            ListId = listId;
+        }
+
+        public void AddColor(Color color)
+        {
+            Colors.Add(color);
+            if (OnColorsUpdated != null)
+            {
+                OnColorsUpdated.Invoke(Colors);
+            }
+        }
+
+        public void UpdateList(IEnumerable<Color> colors)
+        {
+            Colors.Clear();
+            Colors.AddRange(colors);
+
+            if (OnColorsUpdated != null)
+            {
+                OnColorsUpdated.Invoke(Colors);
+            }
+        }
+
+
+    }
+}

Assets/Scripts/HSVPicker/UI/ColorPresetManager.cs.meta

@@ -0,0 +1,11 @@
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Assets/Scripts/HSVPicker/UI/ColorPresets.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace HSVPicker
+{
+    public class ColorPresets : MonoBehaviour
+    {
+	    public ColorPicker picker;
+	    public GameObject[] presets;
+	    public Image createPresetImage;
+
+        private ColorPresetList _colors;
+
+	    void Awake()
+	    {
+    //		picker.onHSVChanged.AddListener(HSVChanged);
+		    picker.onValueChanged.AddListener(ColorChanged);
+	    }
+
+        void Start()
+        {
+            _colors = ColorPresetManager.Get(picker.Setup.PresetColorsId);
+
+            if (_colors.Colors.Count < picker.Setup.DefaultPresetColors.Length)
+            {
+                _colors.UpdateList(picker.Setup.DefaultPresetColors);
+            }
+
+            _colors.OnColorsUpdated += OnColorsUpdate;
+            OnColorsUpdate(_colors.Colors);
+        }
+
+        private void OnColorsUpdate(List<Color> colors)
+        {
+            for (int cnt = 0; cnt < presets.Length; cnt++)
+            {
+                if (colors.Count <= cnt)
+                {
+                    presets[cnt].SetActive(false);
+                    continue;
+                }
+
+
+                presets[cnt].SetActive(true);
+                presets[cnt].GetComponent<Image>().color = colors[cnt];
+            
+            }
+
+            createPresetImage.gameObject.SetActive(colors.Count < presets.Length);
+
+        }
+
+        public void CreatePresetButton()
+	    {
+            _colors.AddColor(picker.CurrentColor);
+
+      //      for (var i = 0; i < presets.Length; i++)
+		    //{
+		    //	if (!presets[i].activeSelf)
+		    //	{
+		    //		presets[i].SetActive(true);
+		    //		presets[i].GetComponent<Image>().color = picker.CurrentColor;
+		    //		break;
+		    //	}
+		    //}
+	    }
+
+	    public 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)
+	    {
+		    createPresetImage.color = color;
+	    }
+    }
+}

Assets/Scripts/HSVPicker/UI/ColorPresets.cs.meta

@@ -0,0 +1,12 @@
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+guid: 0923373e76e77402c9c53a2f1250ad3e
+timeCreated: 1456875791
+licenseType: Pro
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+  defaultReferences: []
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+  userData: 
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Assets/Scripts/HSVPicker/UI/ColorSlider.cs

@@ -0,0 +1,92 @@
+using UnityEngine;
+using UnityEngine.UI;
+namespace HSVPicker
+{
+    /// <summary>
+    /// Displays one of the color values of aColorPicker
+    /// </summary>
+    [RequireComponent(typeof(Slider))]
+    public class ColorSlider : MonoBehaviour
+    {
+        public ColorPicker hsvpicker;
+
+        /// <summary>
+        /// Which value this slider can edit.
+        /// </summary>
+        public ColorValues type;
+
+        private Slider slider;
+
+        private bool listen = true;
+
+        private void Awake()
+        {
+            slider = GetComponent<Slider>();
+
+            hsvpicker.onValueChanged.AddListener(ColorChanged);
+            hsvpicker.onHSVChanged.AddListener(HSVChanged);
+            slider.onValueChanged.AddListener(SliderChanged);
+        }
+
+        private void OnDestroy()
+        {
+            hsvpicker.onValueChanged.RemoveListener(ColorChanged);
+            hsvpicker.onHSVChanged.RemoveListener(HSVChanged);
+            slider.onValueChanged.RemoveListener(SliderChanged);
+        }
+
+        private void ColorChanged(Color newColor)
+        {
+            listen = false;
+            switch (type)
+            {
+                case ColorValues.R:
+                    slider.normalizedValue = newColor.r;
+                    break;
+                case ColorValues.G:
+                    slider.normalizedValue = newColor.g;
+                    break;
+                case ColorValues.B:
+                    slider.normalizedValue = newColor.b;
+                    break;
+                case ColorValues.A:
+                    slider.normalizedValue = newColor.a;
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        private void HSVChanged(float hue, float saturation, float value)
+        {
+            listen = false;
+            switch (type)
+            {
+                case ColorValues.Hue:
+                    slider.normalizedValue = hue; //1 - hue;
+                    break;
+                case ColorValues.Saturation:
+                    slider.normalizedValue = saturation;
+                    break;
+                case ColorValues.Value:
+                    slider.normalizedValue = value;
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        private void SliderChanged(float newValue)
+        {
+            if (listen)
+            {
+                newValue = slider.normalizedValue;
+                //if (type == ColorValues.Hue)
+                //    newValue = 1 - newValue;
+
+                hsvpicker.AssignColor(type, newValue);
+            }
+            listen = true;
+        }
+    }
+}

Assets/Scripts/HSVPicker/UI/ColorSlider.cs.meta

@@ -0,0 +1,12 @@
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+timeCreated: 1442586558
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Assets/Scripts/HSVPicker/UI/ColorSliderImage.cs

@@ -0,0 +1,206 @@
+using UnityEngine;
+using UnityEngine.UI;
+namespace HSVPicker
+{
+    [RequireComponent(typeof(RawImage)), ExecuteInEditMode()]
+    public class ColorSliderImage : MonoBehaviour
+    {
+        public ColorPicker picker;
+
+        /// <summary>
+        /// Which value this slider can edit.
+        /// </summary>
+        public ColorValues type;
+
+        public Slider.Direction direction;
+
+        private RawImage image;
+
+        private RectTransform rectTransform
+        {
+            get
+            {
+                return transform as RectTransform;
+            }
+        }
+
+        private void Awake()
+        {
+            image = GetComponent<RawImage>();
+
+            if(Application.isPlaying)
+                RegenerateTexture();
+        }
+
+        private void OnEnable()
+        {
+            if (picker != null && Application.isPlaying)
+            {
+                picker.onValueChanged.AddListener(ColorChanged);
+                picker.onHSVChanged.AddListener(HSVChanged);
+            }
+        }
+
+        private void OnDisable()
+        {
+            if (picker != null)
+            {
+                picker.onValueChanged.RemoveListener(ColorChanged);
+                picker.onHSVChanged.RemoveListener(HSVChanged);
+            }
+        }
+
+        private void OnDestroy()
+        {
+            if (image.texture != null)
+                DestroyImmediate(image.texture);
+        }
+
+        private void ColorChanged(Color newColor)
+        {
+            switch (type)
+            {
+                case ColorValues.R:
+                case ColorValues.G:
+                case ColorValues.B:
+                case ColorValues.Saturation:
+                case ColorValues.Value:
+                    RegenerateTexture();
+                    break;
+                case ColorValues.A:
+                case ColorValues.Hue:
+                default:
+                    break;
+            }
+        }
+
+        private void HSVChanged(float hue, float saturation, float value)
+        {
+            switch (type)
+            {
+                case ColorValues.R:
+                case ColorValues.G:
+                case ColorValues.B:
+                case ColorValues.Saturation:
+                case ColorValues.Value:
+                    RegenerateTexture();
+                    break;
+                case ColorValues.A:
+                case ColorValues.Hue:
+                default:
+                    break;
+            }
+        }
+
+        private void RegenerateTexture()
+        {
+            Color32 baseColor = picker != null ? picker.CurrentColor : Color.black;
+
+            float h = picker != null ? picker.H : 0;
+            float s = picker != null ? picker.S : 0;
+            float v = picker != null ? picker.V : 0;
+
+            Texture2D texture;
+            Color32[] colors;
+
+            bool vertical = direction == Slider.Direction.BottomToTop || direction == Slider.Direction.TopToBottom;
+            bool inverted = direction == Slider.Direction.TopToBottom || direction == Slider.Direction.RightToLeft;
+
+            int size;
+            switch (type)
+            {
+                case ColorValues.R:
+                case ColorValues.G:
+                case ColorValues.B:
+                case ColorValues.A:
+                    size = 255;
+                    break;
+                case ColorValues.Hue:
+                    size = 360;
+                    break;
+                case ColorValues.Saturation:
+                case ColorValues.Value:
+                    size = 100;
+                    break;
+                default:
+                    throw new System.NotImplementedException("");
+            }
+            if (vertical)
+                texture = new Texture2D(1, size);
+            else
+                texture = new Texture2D(size, 1);
+
+            texture.hideFlags = HideFlags.DontSave;
+            colors = new Color32[size];
+
+            switch (type)
+            {
+                case ColorValues.R:
+                    for (byte i = 0; i < size; i++)
+                    {
+                        colors[inverted ? size - 1 - i : i] = new Color32(i, baseColor.g, baseColor.b, 255);
+                    }
+                    break;
+                case ColorValues.G:
+                    for (byte i = 0; i < size; i++)
+                    {
+                        colors[inverted ? size - 1 - i : i] = new Color32(baseColor.r, i, baseColor.b, 255);
+                    }
+                    break;
+                case ColorValues.B:
+                    for (byte i = 0; i < size; i++)
+                    {
+                        colors[inverted ? size - 1 - i : i] = new Color32(baseColor.r, baseColor.g, i, 255);
+                    }
+                    break;
+                case ColorValues.A:
+                    for (byte i = 0; i < size; i++)
+                    {
+                        colors[inverted ? size - 1 - i : i] = new Color32(i, i, i, 255);
+                    }
+                    break;
+                case ColorValues.Hue:
+                    for (int i = 0; i < size; i++)
+                    {
+                        colors[inverted ? size - 1 - i : i] = HSVUtil.ConvertHsvToRgb(i, 1, 1, 1);
+                    }
+                    break;
+                case ColorValues.Saturation:
+                    for (int i = 0; i < size; i++)
+                    {
+                        colors[inverted ? size - 1 - i : i] = HSVUtil.ConvertHsvToRgb(h * 360, (float)i / size, v, 1);
+                    }
+                    break;
+                case ColorValues.Value:
+                    for (int i = 0; i < size; i++)
+                    {
+                        colors[inverted ? size - 1 - i : i] = HSVUtil.ConvertHsvToRgb(h * 360, s, (float)i / size, 1);
+                    }
+                    break;
+                default:
+                    throw new System.NotImplementedException("");
+            }
+            texture.SetPixels32(colors);
+            texture.Apply();
+
+            if (image.texture != null)
+                DestroyImmediate(image.texture);
+            image.texture = texture;
+
+            switch (direction)
+            {
+                case Slider.Direction.BottomToTop:
+                case Slider.Direction.TopToBottom:
+                    image.uvRect = new Rect(0, 0, 2, 1);
+                    break;
+                case Slider.Direction.LeftToRight:
+                case Slider.Direction.RightToLeft:
+                    image.uvRect = new Rect(0, 0, 1, 2);
+                    break;
+                default:
+                    break;
+            }
+        }
+
+    }
+}

Assets/Scripts/HSVPicker/UI/ColorSliderImage.cs.meta

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 7ca76dd9ad6eb204c9b0481aece34497
+timeCreated: 1442682013
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/HSVPicker/UI/HexColorField.cs

@@ -0,0 +1,53 @@
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+namespace HSVPicker
+{
+    [RequireComponent(typeof(TMP_InputField))]
+    public class HexColorField : MonoBehaviour
+    {
+        public ColorPicker hsvpicker;
+
+        public bool displayAlpha;
+
+        private TMP_InputField hexInputField;
+
+        private void Awake()
+        {
+            hexInputField = GetComponent<TMP_InputField>();
+
+            // Add listeners to keep text (and color) up to date
+            hexInputField.onEndEdit.AddListener(UpdateColor);
+            hsvpicker.onValueChanged.AddListener(UpdateHex);
+        }
+
+        private void OnDestroy()
+        {
+            hexInputField.onValueChanged.RemoveListener(UpdateColor);
+            hsvpicker.onValueChanged.RemoveListener(UpdateHex);
+        }
+
+        private void UpdateHex(Color newColor)
+        {
+            hexInputField.text = ColorToHex(newColor);
+        }
+
+        private void UpdateColor(string newHex)
+        {
+            Color color;
+            if (!newHex.StartsWith("#"))
+                newHex = "#"+newHex;
+            if (ColorUtility.TryParseHtmlString(newHex, out color))
+                hsvpicker.CurrentColor = color;
+            else
+                Debug.Log("hex value is in the wrong format, valid formats are: #RGB, #RGBA, #RRGGBB and #RRGGBBAA (# is optional)");
+        }
+
+        private string ColorToHex(Color32 color)
+        {
+            return displayAlpha
+                ? string.Format("#{0:X2}{1:X2}{2:X2}{3:X2}", color.r, color.g, color.b, color.a)
+                : string.Format("#{0:X2}{1:X2}{2:X2}", color.r, color.g, color.b);
+        }
+    }
+}

Assets/Scripts/HSVPicker/UI/HexColorField.cs.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: d85c534b3c1560544b09d0996dfeba84
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 

Assets/Scripts/HSVPicker/UI/SVBoxSlider.cs

@@ -0,0 +1,121 @@
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace HSVPicker
+{
+    [RequireComponent(typeof(BoxSlider), typeof(RawImage)), ExecuteInEditMode()]
+    public class SVBoxSlider : MonoBehaviour
+    {
+        public ColorPicker picker;
+
+        private BoxSlider slider;
+        private RawImage image;
+
+        private int textureWidth = 128;
+        private int textureHeight = 128;
+
+        private float lastH = -1;
+        private bool listen = true;
+
+        public RectTransform rectTransform
+        {
+            get
+            {
+                return transform as RectTransform;
+            }
+        }
+
+        private void Awake()
+        {
+            slider = GetComponent<BoxSlider>();
+            image = GetComponent<RawImage>();
+            if(Application.isPlaying)
+            {
+                RegenerateSVTexture ();
+            }
+        }
+
+        private void OnEnable()
+        {
+            if (Application.isPlaying && picker != null)
+            {
+                slider.onValueChanged.AddListener(SliderChanged);
+                picker.onHSVChanged.AddListener(HSVChanged);
+            }
+        }
+
+        private void OnDisable()
+        {
+            if (picker != null)
+            {
+                slider.onValueChanged.RemoveListener(SliderChanged);
+                picker.onHSVChanged.RemoveListener(HSVChanged);
+            }
+        }
+
+        private void OnDestroy()
+        {
+            if ( image.texture != null )
+            {
+                DestroyImmediate (image.texture);
+            }
+        }
+
+        private void SliderChanged(float saturation, float value)
+        {
+            if (listen)
+            {
+                picker.AssignColor(ColorValues.Saturation, saturation);
+                picker.AssignColor(ColorValues.Value, value);
+            }
+            listen = true;
+        }
+
+        private void HSVChanged(float h, float s, float v)
+        {
+            if (!lastH.Equals(h))
+            {
+                lastH = h;
+                RegenerateSVTexture();
+            }
+
+            if (!s.Equals(slider.normalizedValue))
+            {
+                listen = false;
+                slider.normalizedValue = s;
+            }
+
+            if (!v.Equals(slider.normalizedValueY))
+            {
+                listen = false;
+                slider.normalizedValueY = v;
+            }
+        }
+
+        private void RegenerateSVTexture()
+        {
+            double h = picker != null ? picker.H * 360 : 0;
+
+            if ( image.texture != null )
+                DestroyImmediate (image.texture);
+
+            var texture = new Texture2D (textureWidth, textureHeight);
+            texture.wrapMode = TextureWrapMode.Clamp;
+            texture.hideFlags = HideFlags.DontSave;
+
+            for ( int s = 0; s < textureWidth; s++ )
+            {
+                Color[] colors = new Color[textureHeight];
+                for ( int v = 0; v < textureHeight; v++ )
+                {
+                    colors[v] = HSVUtil.ConvertHsvToRgb (h, (float)s / textureWidth, (float)v / textureHeight, 1);
+                }
+                texture.SetPixels (s, 0, 1, textureHeight, colors);
+            }
+            texture.Apply();
+
+            image.texture = texture;
+            
+        }
+    }
+}

Assets/Scripts/HSVPicker/UI/SVBoxSlider.cs.meta

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 1e4240873631f724496efec97d7151b3
+timeCreated: 1442650713
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: