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72 lines
1.9 KiB
C#
72 lines
1.9 KiB
C#
namespace SRF.UI
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{
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using Internal;
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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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/// Instantly sets colour to FlashColor on pointer down, then fades back to DefaultColour once pointer is released.
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/// </summary>
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[AddComponentMenu(ComponentMenuPaths.FlashGraphic)]
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[ExecuteInEditMode]
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public class FlashGraphic : UIBehaviour, IPointerDownHandler, IPointerUpHandler
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{
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public float DecayTime = 0.15f;
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public Color DefaultColor = new Color(1, 1, 1, 0);
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public Color FlashColor = Color.white;
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public Graphic Target;
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private bool _isHoldingUntilNextPress;
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public void OnPointerDown(PointerEventData eventData)
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{
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Target.CrossFadeColor(FlashColor, 0f, true, true);
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_isHoldingUntilNextPress = false;
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}
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public void OnPointerUp(PointerEventData eventData)
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{
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if (!_isHoldingUntilNextPress)
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{
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Target.CrossFadeColor(DefaultColor, DecayTime, true, true);
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}
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}
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protected override void OnEnable()
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{
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base.OnEnable();
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if (!_isHoldingUntilNextPress)
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{
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Target.CrossFadeColor(DefaultColor, 0f, true, true);
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}
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}
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#if UNITY_EDITOR
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protected void Update()
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{
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if (!Application.isPlaying && Target != null)
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{
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Target.CrossFadeColor(DefaultColor, 0, true, true);
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}
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}
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#endif
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public void Flash()
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{
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Target.CrossFadeColor(FlashColor, 0f, true, true);
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Target.CrossFadeColor(DefaultColor, DecayTime, true, true);
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_isHoldingUntilNextPress = false;
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}
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public void FlashAndHoldUntilNextPress()
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{
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Target.CrossFadeColor(FlashColor, 0f, true, true);
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_isHoldingUntilNextPress = true;
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}
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}
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}
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