开发技巧-携程方法库 - 纳金网

using UnityEngine;
using System.Collections;
public static class FunctionLibrary : object
{
public delegate void myDelegate();
public delegate void myDelegateInt(int i);
//Moves a menu element by the received ammount in time
//通过接收到的文件来移动菜单元素
public static IEnumerator MoveElementBy(Transform element, Vector2 ammount, float time)
{
float i = 0.0f;
float rate = 1.0f / time;
Vector2 startPos = element.position;
Vector2 endPos = element.position;
endPos += ammount;
while (i < 1.0)
{
i += Time.deltaTime * rate;
element.localPosition = Vector3.Lerp(startPos, endPos, i);
yield return 0;
}
}
//Rescales the given element to the given scale in time
//将给定的元素重新调整到给定的时间尺度
public static IEnumerator ScaleTo(Transform element, Vector2 endScale, float time)
{
float i = 0.0f;
float rate = 1.0f / time;
Vector2 startScale = element.localScale;
while (i < 1.0)
{
i += Time.deltaTime * rate;
element.localScale = Vector3.Lerp(startScale, endScale, i);
yield return 0;
}
}
//Sets the active state of the go to state, after time
//将状态的活动状态设置为状态
public static IEnumerator ChangeEnabledState(GameObject go, bool state, float time)
{
float i = 0.0f;
float rate = 1.0f / time;
while (i < 1.0)
{
i += Time.deltaTime * rate;
yield return 0;
}
go.SetActive(state);
}
//Calls the passed void function with no arguments after delay
//调用传递的void函数，在延迟之后没有参数
public static IEnumerator CallWithDelay(myDelegate del, float delay)
{
yield return new WaitForSeconds(delay);
del();
}
//Calls the passed void function with arguments after delay
//在延迟之后调用传递的void函数
public static IEnumerator CallWithDelay(myDelegateInt del, int num, float delay)
{
yield return new WaitForSeconds(delay);
del(num);
}
//Fade overlay opacity
//褪色覆盖不透明度
public static IEnumerator FadeScreen(SpriteRenderer overlay, float time, float to)
{
//Set the screen fade's color to end in time
float i = 0.0f;
float rate = 1.0f / time;
Color start = overlay.color;
Color end = new Color(start.r, start.g, start.b, to);
while (i < 1.0)
{
i += Time.deltaTime * rate;
overlay.color = Color.Lerp(start, end, i);
yield return 0;
}
}
}

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