104 lines
2.2 KiB
C#
104 lines
2.2 KiB
C#
using System;
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using UnityEngine;
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namespace XericUI.BubbleLayout
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{
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/// <summary>
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/// 气泡布局中每个子UI元素的物理状态数据
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/// </summary>
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[Serializable]
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public class BubbleItemData
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{
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/// <summary>
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/// 关联的 RectTransform
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/// </summary>
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[NonSerialized]
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public RectTransform rectTransform;
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/// <summary>
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/// 唯一标识键（名称+实例ID格式）
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/// </summary>
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public string Key;
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/// <summary>
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/// 当前动画位置（世界/局部坐标，取决于布局设置）
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/// </summary>
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public Vector2 position;
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/// <summary>
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/// UI元素尺寸
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/// </summary>
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public Vector2 size;
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/// <summary>
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/// 旋转角度（度）
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/// </summary>
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public float rotation;
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// --- 物理状态 ---
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/// <summary>当前速度</summary>
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public Vector2 velocity;
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/// <summary>上一帧速度</summary>
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public Vector2 prevVelocity;
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/// <summary>当前受到的力</summary>
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public Vector2 force;
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/// <summary>上一帧受到的力</summary>
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public Vector2 prevForce;
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/// <summary>动量</summary>
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public Vector2 momentum;
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/// <summary>角动量</summary>
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public float angularMomentum;
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/// <summary>质量（默认=1）</summary>
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public float mass = 1f;
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/// <summary>
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/// 获取以position为中心的Rect
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/// </summary>
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public Rect GetRect()
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{
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return new Rect(position.x - size.x * 0.5f, position.y - size.y * 0.5f, size.x, size.y);
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}
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/// <summary>
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/// 从RectTransform构建数据
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/// </summary>
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public static BubbleItemData FromRectTransform(RectTransform rt)
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{
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var data = new BubbleItemData
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{
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rectTransform = rt,
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Key = $"{rt.name}_{rt.GetInstanceID()}",
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position = rt.localPosition,
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size = rt.rect.size,
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rotation = rt.localEulerAngles.z,
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velocity = Vector2.zero,
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prevVelocity = Vector2.zero,
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force = Vector2.zero,
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prevForce = Vector2.zero,
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momentum = Vector2.zero,
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angularMomentum = 0f,
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mass = 1f,
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};
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return data;
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}
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/// <summary>
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/// 将当前position应用回RectTransform
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/// </summary>
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public void ApplyToTransform()
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{
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if (rectTransform != null)
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{
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rectTransform.localPosition = new Vector3(position.x, position.y, rectTransform.localPosition.z);
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}
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}
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}
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}
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