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44 lines
1.5 KiB
C#
44 lines
1.5 KiB
C#
4 years ago
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using UnityEngine;
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using UnityEngine.EventSystems;
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namespace Gaia
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{
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public class DraggableUIWindow : MonoBehaviour, IDragHandler, IPointerDownHandler
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{
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public RectTransform m_draggableRect;
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public Canvas m_canvas;
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private Vector2 m_resetPosition;
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private void Awake()
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{
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if (m_draggableRect != null)
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{
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m_resetPosition = m_draggableRect.anchoredPosition;
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}
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}
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public void OnDrag(PointerEventData eventData)
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{
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if (m_draggableRect != null && m_canvas != null)
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{
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Vector2 position = m_draggableRect.anchoredPosition += eventData.delta / m_canvas.scaleFactor;
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position.x = -Mathf.Clamp(Mathf.Abs(position.x), m_draggableRect.rect.width / 2f, Screen.currentResolution.width - (m_draggableRect.rect.width / 2f));
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position.y = Mathf.Clamp(Mathf.Abs(position.y), m_draggableRect.rect.height / 2f, Screen.currentResolution.height - (m_draggableRect.rect.height / 2f));
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m_draggableRect.anchoredPosition = position;
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}
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}
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public void OnPointerDown(PointerEventData eventData)
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{
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if (m_draggableRect != null)
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{
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m_draggableRect.SetAsLastSibling();
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if (Input.GetMouseButtonDown(2))
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{
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m_draggableRect.anchoredPosition = m_resetPosition;
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}
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}
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}
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}
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}
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