修复polygon数组错误 修复emit空注册报错

source/src/ECS/Components/Physics/Colliders/Collider.ts

@@ -6,12 +6,51 @@ abstract class Collider extends Component{
 
     protected _isParentEntityAddedToScene;
     protected _isPositionDirty = true;
+    protected _isRotationDirty = true;
     protected _colliderRequiresAutoSizing;
+    protected _localOffset: Vector2;
+    protected _isColliderRegisterd;
 
     public get bounds(): Rectangle {
+        if (this._isPositionDirty || this._isRotationDirty){
+            this.shape.recalculateBounds(this);
+            this._isPositionDirty = this._isRotationDirty = false;
+        }
+
         return this.shape.bounds;
     }
 
+    public get localOffset(){
+        return this._localOffset;
+    }
+
+    public set localOffset(value: Vector2){
+        this.setLocalOffset(value);
+    }
+
+    public setLocalOffset(offset: Vector2){
+        if (this._localOffset != offset){
+            this.unregisterColliderWithPhysicsSystem();
+            this._localOffset = offset;
+            this._isPositionDirty = true;
+            this.registerColliderWithPhysicsSystem();
+        }
+    }
+
+    public registerColliderWithPhysicsSystem(){
+        if (this._isParentEntityAddedToScene && !this._isColliderRegisterd){
+            Physics.addCollider(this);
+            this._isColliderRegisterd = true;
+        }
+    }
+
+    public unregisterColliderWithPhysicsSystem(){
+        if (this._isParentEntityAddedToScene && this._isColliderRegisterd){
+            Physics.removeCollider(this);
+        }
+        this._isColliderRegisterd = false;
+    }
+
     public initialize() {
     }
 }