72 lines
2.1 KiB
C#
72 lines
2.1 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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namespace QFSW.QC.UI
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{
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[ExecuteInEditMode]
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public class DynamicCanvasScaler : MonoBehaviour
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{
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public float RectMagnification
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{
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get => _rectMagnification;
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set
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{
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if (value > 0)
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{
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_rectMagnification = value;
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}
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}
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}
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[Range(0.5f, 2f)]
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[SerializeField] private float _rectMagnification = 1f;
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public float ZoomMagnification
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{
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get => _zoomMagnification;
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set
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{
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if (value > 0)
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{
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_zoomMagnification = value;
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}
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}
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}
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[Range(0.5f, 2f)]
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[SerializeField] private float _zoomMagnification = 1f;
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[SerializeField] private CanvasScaler _scaler = null;
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[SerializeField] private RectTransform _uiRoot = null;
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[SerializeField] private Vector2 _referenceResolution = new Vector2(1920, 1080);
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private float RootScaler => _rectMagnification / _zoomMagnification;
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private float _lastScaler;
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private void OnEnable()
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{
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_lastScaler = RootScaler;
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}
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private void Update()
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{
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if (_scaler && _uiRoot)
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{
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if (RootScaler != _lastScaler)
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{
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Rect rootRect = new Rect(_uiRoot.offsetMin.x / _lastScaler, _uiRoot.offsetMin.y / _lastScaler, _uiRoot.offsetMax.x / _lastScaler, _uiRoot.offsetMax.y / _lastScaler);
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_lastScaler = RootScaler;
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_scaler.referenceResolution = _referenceResolution / _zoomMagnification;
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_uiRoot.offsetMin = new Vector2(rootRect.x, rootRect.y) * RootScaler;
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_uiRoot.offsetMax = new Vector2(rootRect.width, rootRect.height) * RootScaler;
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#if UNITY_EDITOR
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UnityEditor.EditorUtility.SetDirty(_uiRoot);
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UnityEditor.EditorUtility.SetDirty(_scaler);
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#endif
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}
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}
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}
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}
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}
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