Unity中，按钮按下抬起的缩放效果

Baste · 发表于 2022-2-16 16:28

示意

按钮点击效果.gif

相关配置

在Button组件同级下挂上该脚本组件：UIBtnScaleEffect

image.png

代码

using System.Collections;using System.Collections.Generic;using UnityEngine;using UnityEngine.UI;using UnityEngine.EventSystems;public class UIBtnScaleEffect : MonoBehaviour, IPointerDownHandler, IPointerUpHandler{ [SerializeField, Header("按下时缩小至多少？"), Range(0, 1)] private float _downScale = 0.85f; [SerializeField, Header("缩放变化持续时间：按下过程")] private float _downDuration = 0.2f; [SerializeField, Header("缩放变化持续时间：抬起过程")] private float _upDuration = 0.15f; private RectTransform RectTransform { get { if (_rectTransform == null) { _rectTransform = GetComponent<RectTransform>(); } return _rectTransform; } } private RectTransform _rectTransform; public void OnPointerDown(PointerEventData eventData) { StopAllCoroutines(); StartCoroutine(ChangeScaleCoroutine(1, _downScale, _downDuration)); } public void OnPointerUp(PointerEventData eventData) { StopAllCoroutines(); StartCoroutine(ChangeScaleCoroutine(RectTransform.localScale.x, 1, _upDuration)); } private IEnumerator ChangeScaleCoroutine(float beginScale, float endScale, float duration) { float timer = 0f; while (timer < duration) { RectTransform.localScale = Vector3.one * Mathf.Lerp(beginScale, endScale, timer / duration); timer += Time.fixedDeltaTime; yield return null; } RectTransform.localScale = Vector3.one * endScale; }}

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Unity中，按钮按下抬起的缩放效果

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