扼要剖析Unity计时器剧本Timer的用法（附代码）【C#.Net教程】,c#,unity

计时器效果图：

Timer用法：
第一种：剧本加到物体上，勾选"自动计时"。
第二种：剧本加到物体上，挪用timer.start()要领启动。
第三种：代码中动态增添Timer剧本。

using UnityEngine;

public class TimerTest : MonoBehaviour {

    private void Start () {
        // 建立一个Timer并最先计时
        gameObject.AddComponent<Timer>().start(1.5f, onTimeup);

        // 倒计时3秒
        gameObject.AddComponent<Timer>().start(1, 3, onCD, onCDEnd);

        // 无穷计数(repeatCount为<=0时 无穷反复)
        gameObject.AddComponent<Timer>().start(1, -1, onCount, null);

        // Timer API
        Timer timer = gameObject.AddComponent<Timer>();
        timer.delay = 10;// 耽误10秒最先
        timer.start();  // 最先计时
        timer.stop();   // 停息计时
        timer.reset();  // 重置已计时的时候和次数
        timer.restart();// 重新最先计时 reset() + start()
    }

    /// <summary> 一般计时 </summary>
    private void onTimeup(Timer timer) {
        print("计时完成");
    }

    /// <summary> 倒计时候隔 </summary>
    private void onCD(Timer timer) {
        print(timer.repeatCount - timer.currentCount); // 3, 2, 1
    }

    /// <summary> 倒计时完毕 </summary>
    private void onCDEnd(Timer timer) {
        print(timer.repeatCount - timer.currentCount); // 0
    }

    /// <summary> 无穷计数 </summary>
    private void onCount(Timer timer) {
        print(timer.currentCount); // 1, 2, 3……
    }

}

Timer API：

// 最先/继承计时
public void start() {}

// 停息计时
public void stop() {}

// 住手Timer并重置数据
public void reset() {}

// 重置数据并重新最先计时
public void restart() {}

// 最先计时 time时候(秒) onComplete(Timer timer)计时完成回调事宜
public void start(float time, TimerCallback onComplete) {}

// 最先计时 interval计时候隔 repeatCount反复次数 onComplete(Timer timer)计时完成回调事宜
public void start(float interval, int repeatCount, TimerCallback onComplete) {}

// 最先计时 interval计时候隔 repeatCount反复次数
// onInterval(Timer timer)计时候隔回调事宜
// onComplete(Timer timer)计时完成回调事宜
public void start(float interval, int repeatCount, TimerCallback onInterval, TimerCallback onComplete) {}

Timer.cs

using UnityEngine;
using UnityEngine.Events;

/// <summary>
/// 计时器
/// <para>ZhangYu 2018-04-08</para>
/// </summary>
public class Timer : MonoBehaviour {

    // 耽误时候(秒)
    public float delay = 0;
    // 距离时候(秒)
    public float interval = 1;
    // 反复次数
    public int repeatCount = 1;
    // 自动计时
    public bool autoStart = false;
    // 自动烧毁
    public bool autoDestory = true;
    // 当前时候
    public float currentTime = 0;
    // 当前次数
    public int currentCount = 0;
    // 计时候隔
    public UnityEvent onIntervalEvent;
    // 计时完成
    public UnityEvent onCompleteEvent;
    // 回调事宜代办
    public delegate void TimerCallback(Timer timer);
    // 上一次距离时候
    private float lastTime = 0;
    // 计时候隔
    private TimerCallback onIntervalCall;
    // 计时完毕
    private TimerCallback onCompleteCall;

    private void Start () {
        enabled = autoStart;
    }

    private void FixedUpdate () {
        if (!enabled) return;
        addInterval(Time.deltaTime);
    }

    /// <summary> 增添距离时候 </summary>
    private void addInterval(float deltaTime) {
        currentTime += deltaTime;
        if (currentTime < delay) return;
        if (currentTime - lastTime >= interval) {
            currentCount++;
            lastTime = currentTime;
            if (repeatCount <= 0) {
                // 无穷反复
                if (currentCount == int.MaxValue) reset();
                if (onIntervalCall != null) onIntervalCall(this);
                if (onIntervalEvent != null) onIntervalEvent.Invoke();
            } else {
                if (currentCount < repeatCount) {
                    //计时候隔
                    if (onIntervalCall != null) onIntervalCall(this);
                    if (onIntervalEvent != null) onIntervalEvent.Invoke();
                } else {
                    //计时完毕
                    stop();
                    if (onCompleteCall != null) onCompleteCall(this);
                    if (onCompleteEvent != null) onCompleteEvent.Invoke();
                    if (autoDestory && !enabled) Destroy(this);
                }
            } 
        }
    }

    /// <summary> 最先/继承计时 </summary>
    public void start() {
        enabled = autoStart = true;
    }

    /// <summary> 最先计时 </summary>
    /// <param name="time">时候(秒)</param>
    /// <param name="onComplete(Timer timer)">计时完成回调事宜</param>
    public void start(float time, TimerCallback onComplete) {
        start(time, 1, null, onComplete);
    }

    /// <summary> 最先计时 </summary>
    /// <param name="interval">计时候隔</param>
    /// <param name="repeatCount">反复次数</param>
    /// <param name="onComplete(Timer timer)">计时完成回调事宜</param>
    public void start(float interval, int repeatCount, TimerCallback onComplete) {
        start(interval, repeatCount, null, onComplete);
    }

    /// <summary> 最先计时 </summary>
    /// <param name="interval">计时候隔</param>
    /// <param name="repeatCount">反复次数</param>
    /// <param name="onInterval(Timer timer)">计时候隔回调事宜</param>
    /// <param name="onComplete(Timer timer)">计时完成回调事宜</param>
    public void start(float interval, int repeatCount, TimerCallback onInterval, TimerCallback onComplete) {
        this.interval = interval;
        this.repeatCount = repeatCount;
        onIntervalCall = onInterval;
        onCompleteCall = onComplete;
        reset();
        enabled = autoStart = true;
    }

    /// <summary> 停息计时 </summary>
    public void stop() {
        enabled = autoStart = false;
    }

    /// <summary> 住手Timer并重置数据 </summary>
    public void reset(){
        lastTime = currentTime = currentCount = 0;
    }

    /// <summary> 重置数据并重新最先计时 </summary>
    public void restart() {
        reset();
        start();
    }

}

TimerEditor.cs

using UnityEditor;
using UnityEngine;

/// <summary>
/// 计时器 编辑器
/// <para>ZhangYu 2018-04-08</para>
/// </summary>
[CanEditMultipleObjects]
[CustomEditor(typeof(Timer))]
public class TimerEditor : Editor {

    public override void OnInspectorGUI() {
        Timer script = (Timer)target;

        // 重绘GUI
        EditorGUI.BeginChangeCheck();

        // 公然属性
        drawProperty("delay", "耽误时候(秒)");
        drawProperty("interval", "距离时候(秒)");
        drawProperty("repeatCount", "反复次数");
        if (script.repeatCount <= 0) EditorGUILayout.LabelField(" ", "<=0 时无穷反复", GUILayout.ExpandWidth(true));
        EditorGUILayout.BeginHorizontal();
        drawProperty("autoStart", "自动计时");
        drawProperty("autoDestory", "自动烧毁");
        EditorGUILayout.EndHorizontal();

        // 只读属性
        GUI.enabled = false;
        drawProperty("currentTime", "当前时候(秒)");
        drawProperty("currentCount", "当前次数");
        GUI.enabled = true;

        // 回调事宜
        drawProperty("onIntervalEvent", "计时候隔事宜");
        drawProperty("onCompleteEvent", "计时完成事宜");
        if (EditorGUI.EndChangeCheck()) serializedObject.ApplyModifiedProperties();
    }

    private void drawProperty(string property, string label) {
        EditorGUILayout.PropertyField(serializedObject.FindProperty(property), new GUIContent(label), true);
    }

}

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