完善 colliderTriggerHelper 用于更新碰撞信息

source/src/Utils/Pair.ts

@@ -0,0 +1,20 @@
+/**
+ * 用于管理一对对象的简单DTO
+ */
+class Pair<T> {
+    public first: T;
+    public second: T;
+
+    constructor(first: T, second: T){
+        this.first = first;
+        this.second = second;
+    }
+
+    public clear(){
+        this.first = this.second = null;
+    }
+
+    public equals(other: Pair<T>){
+        return this.first == other.first && this.second == other.second;
+    }
+}