修复Vector2.zero引起的引用混乱问题

2020-08-26 19:56:48 +08:00
parent 1997b3f348
commit e81f98ff17
33 changed files with 1663 additions and 4645 deletions
--- a/source/src/Utils/Timers/Timer.ts
+++ b/source/src/Utils/Timers/Timer.ts
@@ -0,0 +1,52 @@
+module es {
+    export class Timer implements ITimer{
+        public context: any;
+        public _timeInSeconds: number = 0;
+        public _repeats: boolean = false;
+        public _onTime: (timer: ITimer) => void;
+        public _isDone: boolean = false;
+        public _elapsedTime: number = 0;
+
+        public getContext<T>(): T {
+            return this.context as T;
+        }
+
+        public reset() {
+            this._elapsedTime = 0;
+        }
+
+        public stop() {
+            this._isDone = true;
+        }
+
+        public tick(){
+            // 如果stop在tick之前被调用，那么isDone将为true，我们不应该再做任何事情
+            if (!this._isDone && this._elapsedTime > this._timeInSeconds){
+                this._elapsedTime -= this._timeInSeconds;
+                this._onTime(this);
+
+                if (!this._isDone && !this._repeats)
+                    this._isDone = true;
+            }
+
+            this._elapsedTime += Time.deltaTime;
+
+            return this._isDone;
+        }
+
+        public initialize(timeInsSeconds: number, repeats: boolean, context: any, onTime: (timer: ITimer)=>void){
+            this._timeInSeconds = timeInsSeconds;
+            this._repeats = repeats;
+            this.context = context;
+            this._onTime = onTime;
+        }
+
+        /**
+         * 空出对象引用，以便在js需要时GC可以清理它们的引用
+         */
+        public unload(){
+            this.context = null;
+            this._onTime = null;
+        }
+    }
+}