102 lines
2.4 KiB
C#
102 lines
2.4 KiB
C#
using UnityEngine;
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using System.Collections;
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using UnityEngine.UI;
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public class FrameAnimation : MonoBehaviour
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{
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[Header("动画设置")]
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[SerializeField] private Sprite[] frameSprites; // 序列帧数组（拖入125张图片）
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[SerializeField] private float totalTime = 5f; // 总时长
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[SerializeField] private bool loop = true; // 是否循环播放
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private Image img;
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private int totalFrames;
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private float frameInterval;
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private Coroutine animationCoroutine;
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void Start()
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{
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InitializeComponents();
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ValidateFrameData();
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CalculateFrameInterval();
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StartAnimation();
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}
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void InitializeComponents()
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{
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img = GetComponent<Image>();
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if (img == null)
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{
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img = gameObject.AddComponent<Image>();
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}
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}
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void ValidateFrameData()
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{
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if (frameSprites == null || frameSprites.Length == 0)
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{
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Debug.LogError("请分配序列帧图片！");
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enabled = false;
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return;
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}
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totalFrames = frameSprites.Length;
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if (totalFrames != 125)
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{
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Debug.LogWarning("建议使用125帧获得精确时长，当前帧数：" + totalFrames);
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}
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}
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void CalculateFrameInterval()
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{
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// 计算每帧持续时间（总时长 / 总帧数）
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frameInterval = totalTime / totalFrames;
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}
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public void StartAnimation()
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{
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if (animationCoroutine != null)
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{
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StopCoroutine(animationCoroutine);
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}
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animationCoroutine = StartCoroutine(PlayAnimation());
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}
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IEnumerator PlayAnimation()
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{
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int currentFrame = 0;
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do
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{
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// 更新当前帧
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img.sprite = frameSprites[currentFrame];
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// 等待帧间隔时间
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yield return new WaitForSeconds(frameInterval);
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// 递增帧索引
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currentFrame = (currentFrame + 1) % totalFrames;
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} while (loop || currentFrame != 0); // 循环控制
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animationCoroutine = null;
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}
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void OnDisable()
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{
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if (animationCoroutine != null)
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{
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StopCoroutine(animationCoroutine);
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animationCoroutine = null;
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}
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}
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// 在Inspector修改参数时实时更新
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void OnValidate()
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{
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if (Application.isPlaying && animationCoroutine != null)
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{
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CalculateFrameInterval();
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StartAnimation();
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}
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}
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} |