89 lines
2.6 KiB
C#
89 lines
2.6 KiB
C#
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using UnityEngine;
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namespace Graphy.Runtime.UI
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{
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[RequireComponent(typeof(RectTransform))]
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public sealed class G_SafeArea : MonoBehaviour
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{
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[SerializeField] private bool m_conformX = true; // Conform to screen safe area on X-axis (default true, disable to ignore)
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[SerializeField] private bool m_conformY = true; // Conform to screen safe area on Y-axis (default true, disable to ignore)
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private RectTransform m_rectTransform;
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private Rect m_lastSafeArea = new Rect (0, 0, 0, 0);
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#if UNITY_EDITOR
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private DrivenRectTransformTracker m_rectTransformTracker;
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#endif
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private void Awake()
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{
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m_rectTransform = GetComponent<RectTransform> ();
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Refresh();
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}
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private void Update()
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{
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Refresh();
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}
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#if UNITY_EDITOR
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private void OnDisable()
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{
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m_rectTransformTracker.Clear();
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}
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#endif
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private void Refresh()
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{
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#if UNITY_EDITOR
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// Make the rectTransform not editable in the inspector.
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m_rectTransformTracker.Clear();
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m_rectTransformTracker.Add(
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this,
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m_rectTransform,
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DrivenTransformProperties.AnchoredPosition
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| DrivenTransformProperties.SizeDelta
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| DrivenTransformProperties.AnchorMin
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| DrivenTransformProperties.AnchorMax
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| DrivenTransformProperties.Pivot
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);
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#endif
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Rect safeArea = Screen.safeArea;
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if (safeArea != m_lastSafeArea)
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ApplySafeArea (safeArea);
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}
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private void ApplySafeArea(Rect r)
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{
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m_lastSafeArea = r;
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// Ignore x-axis?
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if (!m_conformX)
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{
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r.x = 0;
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r.width = Screen.width;
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}
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// Ignore y-axis?
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if (!m_conformY)
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{
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r.y = 0;
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r.height = Screen.height;
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}
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// Convert safe area rectangle from absolute pixels to normalised anchor coordinates
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Vector2 anchorMin = r.position;
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Vector2 anchorMax = r.position + r.size;
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anchorMin.x /= Screen.width;
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anchorMin.y /= Screen.height;
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anchorMax.x /= Screen.width;
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anchorMax.y /= Screen.height;
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m_rectTransform.anchorMin = anchorMin;
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m_rectTransform.anchorMax = anchorMax;
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}
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}
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}
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