38 lines
1.3 KiB
C#
38 lines
1.3 KiB
C#
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///Credit judah4
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///Sourced from - http://forum.unity3d.com/threads/color-picker.267043/
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using UnityEngine.EventSystems;
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namespace UnityEngine.UI.Extensions
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{
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public class HsvBoxSelector : MonoBehaviour, IDragHandler, IPointerDownHandler
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{
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public HSVPicker picker;
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void PlaceCursor(PointerEventData eventData)
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{
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var pos = new Vector2(eventData.position.x - picker.hsvImage.rectTransform.position.x, picker.hsvImage.rectTransform.rect.height * picker.hsvImage.transform.lossyScale.y - (picker.hsvImage.rectTransform.position.y - eventData.position.y));
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// Debug.Log(pos);
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pos.x /= picker.hsvImage.rectTransform.rect.width * picker.hsvImage.transform.lossyScale.x;
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pos.y /= picker.hsvImage.rectTransform.rect.height * picker.hsvImage.transform.lossyScale.y;
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pos.x = Mathf.Clamp(pos.x, 0, .9999f); //1 is the same as 0
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pos.y = Mathf.Clamp(pos.y, 0, .9999f);
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//Debug.Log(pos);
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picker.MoveCursor(pos.x, pos.y);
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}
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public void OnDrag(PointerEventData eventData)
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{
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PlaceCursor(eventData);
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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PlaceCursor(eventData);
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}
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}
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}
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