init

src/Enemy.ts

+import Vector2 from "./lib/Vector2";
 import Movable from "./Movable";
+import MovableManager from "./MovableManager";
+import { IWeaponHost } from "./weapon/IWeaponHost";
+import Weapon from "./weapon/Weapon";
 
-export default class Enemy extends Movable {
-    constructor() {
+export default class Enemy extends Movable implements IWeaponHost {
+    movableManager: MovableManager;
+    constructor(movableManager: MovableManager) {
         super();
+        this.movableManager = movableManager;
+
+        movableManager.add(this);
+
         this.texture = FYGE.Texture.fromUrl('//yun.duiba.com.cn/spark/assets/enemy2_fly1.0f4acd3728e90763d98a7328a5a32dbc78ec204e.png')
+
+        const weapon = new Weapon(this);
+    }
+
+    getShootVelocity() { return new Vector2(0, 4) }
+
+    getShootPoint() {
+        return new FYGE.Point(this.x + this.width / 2, this.y + this.height)
     }
 }
\ No newline at end of file

src/Hero.ts

 import DragDropable from "./dragdrop/DragDropable";
+import Vector2 from "./lib/Vector2";
 import MovableManager from "./MovableManager";
 import { IWeaponHost } from "./weapon/IWeaponHost";
 import Weapon from "./weapon/Weapon";
@@ -15,6 +16,8 @@ export default class Hero extends DragDropable implements IWeaponHost {
         const weapon = new Weapon(this);
     }
 
+    getShootVelocity(){return new Vector2(0, -4)}
+
     getShootPoint() {
         return new FYGE.Point(this.x + this.width / 2, this.y)
     }

src/MovableManager.ts

@@ -28,6 +28,7 @@ export default class MovableManager {
             if (this.calcCanRemove(item)) {
                 this._movableList.splice(index, 1);
                 index--;
+                item.destroy();
             }
         }
     }

src/addGame.ts

 import DragDropable from "./dragdrop/DragDropable";
 import DragDropManager from "./dragdrop/DragDropManager";
+import Enemy from "./Enemy";
 import Hero from "./Hero";
+import Vector2 from "./lib/Vector2";
 import MovableManager from "./MovableManager";
 
 export function addGame(stage: FYGE.Stage) {
@@ -8,7 +10,11 @@ export function addGame(stage: FYGE.Stage) {
     const dragDropManager = new DragDropManager();
 
     const hero = stage.addChild(new Hero(movableManager)) as DragDropable;
-    dragDropManager.add(hero);
-
     hero.position.set(300, 1000);
+
+    const enemy = stage.addChild(new Enemy(movableManager));
+    enemy.position.set(0, 0);
+    enemy.velocity=new Vector2(1,1);
+        
+    dragDropManager.add(hero);
 }
\ No newline at end of file

src/weapon/IWeaponHost.ts

+import Vector2 from "../lib/Vector2";
 import MovableManager from "../MovableManager";
 
 export interface IWeaponHost extends FYGE.Sprite {
     movableManager: MovableManager;
     getShootPoint(): FYGE.Point;
+    getShootVelocity(): Vector2;
 }
\ No newline at end of file

src/weapon/Weapon.ts

@@ -30,9 +30,9 @@ export default class Weapon {
     }
 
     createBullet = () => {
-        console.log('发射了一个子弹')
+        console.log('武器在发射子弹')
         const bullet: Movable = this._host.parent.addChild(new Bullet());
-        bullet.velocity = new Vector2(0, -4);
+        bullet.velocity = this._host.getShootVelocity();
         const shootPoint = this._host.getShootPoint();
         bullet.position.set(shootPoint.x, shootPoint.y);
         this._host.movableManager.add(bullet);