42 lines
1.8 KiB
C#
42 lines
1.8 KiB
C#
using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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/// <summary>
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/// Double-clicking a slider resets it to its default value. The default is the slider's authored
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/// value, serialized when the component is added (runtime seeding from settings/persistence must not
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/// overwrite it, so it is captured at edit time, not in Awake). The reset goes through slider.value,
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/// so onValueChanged listeners (persistence, SliderCurve, value labels) fire as if the user dragged.
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/// </summary>
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[RequireComponent(typeof(Slider))]
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public class SliderDoubleClickReset : MonoBehaviour, IPointerClickHandler
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{
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[SerializeField, Tooltip("Raw slider value restored on double-click. Seeded from the slider's authored value when the component is added.")]
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private float _defaultValue;
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[SerializeField, Tooltip("Max seconds between the two clicks.")]
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private float _maxClickInterval = 0.25f;
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[SerializeField, Tooltip("Max pointer movement (screen pixels) between the two clicks.")]
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private float _maxPointerDistance = 8f;
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private float _lastClickTime = float.NegativeInfinity;
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private Vector2 _lastClickPosition;
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public void OnPointerClick(PointerEventData eventData)
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{
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if (eventData.button != PointerEventData.InputButton.Left) return;
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// Unitys clickCount (festes ~0.3s-Fenster, kein Positions-Check) bewusst ignoriert.
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bool isDouble = Time.unscaledTime - _lastClickTime <= _maxClickInterval
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&& (eventData.position - _lastClickPosition).sqrMagnitude <= _maxPointerDistance * _maxPointerDistance;
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_lastClickTime = isDouble ? float.NegativeInfinity : Time.unscaledTime;
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_lastClickPosition = eventData.position;
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if (isDouble) GetComponent<Slider>().value = _defaultValue;
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}
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private void Reset() => _defaultValue = GetComponent<Slider>().value;
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}
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