106 lines
3.3 KiB
C#
106 lines
3.3 KiB
C#
/// Credit Ges
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/// Sourced from - http://forum.unity3d.com/threads/scripts-useful-4-6-scripts-collection.264161/page-3#post-2280109
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using UnityEngine.EventSystems;
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namespace UnityEngine.UI.Extensions
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{
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[ExecuteInEditMode]
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[RequireComponent(typeof(RectTransform))]
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[AddComponentMenu("Layout/Extensions/Tile Size Fitter")]
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public class TileSizeFitter : UIBehaviour, ILayoutSelfController
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{
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[SerializeField]
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private Vector2 m_Border = Vector2.zero;
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public Vector2 Border { get { return m_Border; } set { if (SetPropertyUtility.SetStruct(ref m_Border, value)) SetDirty(); } }
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[SerializeField]
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private Vector2 m_TileSize = Vector2.zero;
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public Vector2 TileSize { get { return m_TileSize; } set { if (SetPropertyUtility.SetStruct(ref m_TileSize, value)) SetDirty(); } }
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[System.NonSerialized]
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private RectTransform m_Rect;
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private RectTransform rectTransform { get { if (m_Rect == null) m_Rect = GetComponent<RectTransform>(); return m_Rect; } }
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private DrivenRectTransformTracker m_Tracker;
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#region Unity Lifetime calls
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protected override void OnEnable()
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{
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base.OnEnable();
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SetDirty();
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}
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protected override void OnDisable()
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{
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m_Tracker.Clear();
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LayoutRebuilder.MarkLayoutForRebuild(rectTransform);
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base.OnDisable();
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}
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#endregion
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protected override void OnRectTransformDimensionsChange()
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{
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UpdateRect();
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}
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private void UpdateRect()
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{
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if (!IsActive())
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return;
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m_Tracker.Clear();
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m_Tracker.Add(this, rectTransform,
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DrivenTransformProperties.Anchors |
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DrivenTransformProperties.AnchoredPosition);
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rectTransform.anchorMin = Vector2.zero;
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rectTransform.anchorMax = Vector2.one;
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rectTransform.anchoredPosition = Vector2.zero;
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m_Tracker.Add(this, rectTransform,
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DrivenTransformProperties.SizeDeltaX |
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DrivenTransformProperties.SizeDeltaY);
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Vector2 sizeDelta = GetParentSize() - Border;
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if (TileSize.x > 0.001f)
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sizeDelta.x -= Mathf.Floor(sizeDelta.x / TileSize.x) * TileSize.x;
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else
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sizeDelta.x = 0;
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if (TileSize.y > 0.001f)
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sizeDelta.y -= Mathf.Floor(sizeDelta.y / TileSize.y) * TileSize.y;
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else
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sizeDelta.y = 0;
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rectTransform.sizeDelta = -sizeDelta;
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}
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private Vector2 GetParentSize()
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{
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RectTransform parent = rectTransform.parent as RectTransform;
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if (!parent)
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return Vector2.zero;
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return parent.rect.size;
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}
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public virtual void SetLayoutHorizontal() { }
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public virtual void SetLayoutVertical() { }
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protected void SetDirty()
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{
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if (!IsActive())
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return;
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UpdateRect();
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}
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#if UNITY_EDITOR
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protected override void OnValidate()
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{
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m_TileSize.x = Mathf.Clamp(m_TileSize.x, 0.001f, 1000f);
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m_TileSize.y = Mathf.Clamp(m_TileSize.y, 0.001f, 1000f);
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SetDirty();
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}
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#endif
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}
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} |