unity圆形Slider

最新推荐文章于 2025-10-07 13:32:46 发布

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最新推荐文章于 2025-10-07 13:32:46 发布 · 1.3k 阅读

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CC 4.0 BY-SA版权

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#unity3d

本文介绍如何在Unity3D中创建并实现一个圆形的Slider组件，适用于游戏界面设计，内容涵盖Runtime和Editor环境下的实现方法。

如题
Runtime

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

/// <summary>
/// 环状进度条
/// </summary>

public class CircleSlider : Selectable , IDragHandler , IEndDragHandler , IBeginDragHandler
{
    [SerializeField]
    private RectTransform m_HandleRect;

    public RectTransform handleRect
    {
        get { return m_HandleRect; }
        set { if(SetPropertyUtility.SetClass(ref m_HandleRect, value)) { UpdateCachedReferences(); UpdateVisuals(); } }
    }

    [SerializeField]
    private RectTransform m_FillRect;

    public RectTransform fillrect
    {
        get { return m_FillRect; }
        set { if (SetPropertyUtility.SetClass(ref m_FillRect, value)) { UpdateCachedReferences(); UpdateVisuals(); } }
    }

    [SerializeField]
    private float m_MinValue = 0;
    public float minValue { get { return m_MinValue; } set { if (SetPropertyUtility.SetStruct(ref m_MinValue, value)) { Set(m_Value); UpdateVisuals(); } } }

    [SerializeField]
    private float m_MaxValue = 1;
    public float maxValue { get { return m_MaxValue; } set { if (SetPropertyUtility.SetStruct(ref m_MaxValue, value)) { Set(m_Value); UpdateVisuals(); } } }

    [SerializeField]
    private float m_Value;
    public float value {
        get { 
            if (wholeNumbers)
                return Mathf.Round(m_Value);
            return m_Value;
        }
        set
        {
            Set(value); 
        }
    }

    [SerializeField]
    private float m_Angle;
    public float angle
    {
        get
        {
            return m_Angle;
        }
        set
        {
            m_Angle = value;
        }
    }

    [SerializeField]
    private Image.Origin360 m_FillOrigin;
    public Image.Origin360 fillOrigin { get { return m_FillOrigin; } set { if (SetPropertyUtility.SetStruct(ref m_FillOrigin, value)) { Set(m_Value); UpdateVisuals(); } } }

    [SerializeField]
    private float m_Radius;
    public float radius { get { return m_Radius; } set { if (SetPropertyUtility.SetStruct(ref m_Radius, value)) { UpdateVisuals(); } } }

    [SerializeField]
    private bool m_ClockWise;

    public bool clockWise {
        get { return m_ClockWise; }
        set {
            if (SetPropertyUtility.SetStruct(ref m_ClockWise, value))
            {
                UpdateCachedReferences();
                UpdateVisuals();
            } }
    }

    [SerializeField]
    private bool m_WholeNum