81 lines
2.4 KiB
C#
81 lines
2.4 KiB
C#
using System;
|
|
using System.Threading.Tasks;
|
|
using UnityEngine;
|
|
|
|
namespace AibisDream.Utility
|
|
{
|
|
public static class CommonUtil
|
|
{
|
|
private const float Epsilon = 1e-5f;
|
|
|
|
private static Camera _mainCam;
|
|
|
|
/// <summary>
|
|
/// 判断为0
|
|
/// </summary>
|
|
/// <param name="value">浮点数</param>
|
|
/// <returns>是否为0</returns>
|
|
public static bool IsZero(float value)
|
|
{
|
|
// 如果value小于epsilon，则认为它等于0
|
|
return Mathf.Abs(value) < Epsilon;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 判断浮点数是否相等
|
|
/// </summary>
|
|
/// <param name="value1">value1</param>
|
|
/// <param name="value2">value2</param>
|
|
/// <returns>是否相等</returns>
|
|
public static bool IsEqual(float value1, float value2)
|
|
{
|
|
return Mathf.Abs(value1 - value2) < Epsilon;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 简单延时实现
|
|
/// </summary>
|
|
/// <param name="delayTime">延时</param>
|
|
/// <param name="action">函数</param>
|
|
public static async Task Delay(int delayTime, Action action)
|
|
{
|
|
await Task.Delay(delayTime);
|
|
action?.Invoke();
|
|
}
|
|
|
|
/// <summary>
|
|
/// 受限加法
|
|
/// </summary>
|
|
/// <param name="target">目标数</param>
|
|
/// <param name="add">加数</param>
|
|
/// <param name="max">上限</param>
|
|
/// <param name="min">下限</param>
|
|
/// <returns>结果</returns>
|
|
public static float LimitedAdd(float target, float add, float max, float min)
|
|
{
|
|
var targetOil = target + add;
|
|
return targetOil switch
|
|
{
|
|
<= 0 => min,
|
|
>= 1 => max,
|
|
_ => targetOil
|
|
};
|
|
}
|
|
|
|
/// <summary>
|
|
/// 获取鼠标在世界中的位置
|
|
/// </summary>
|
|
/// <param name="mousePoint">鼠标界面位置</param>
|
|
/// <param name="transform">物体形状</param>
|
|
/// <returns>世界位置</returns>
|
|
public static Vector3 GetMouseWorldPos(Vector3 mousePoint, Transform transform)
|
|
{
|
|
if (!_mainCam) _mainCam = Camera.main;
|
|
|
|
mousePoint.z = _mainCam.WorldToScreenPoint(transform.position).z;
|
|
return _mainCam.ScreenToWorldPoint(mousePoint);
|
|
}
|
|
}
|
|
}
|
|
|