新增跟随相机

demo/src/Main.ts

@@ -104,6 +104,7 @@ class Main extends eui.UILayer {
         player.addComponent(new SpriteRenderer()).setSprite(image);
         player.addComponent(new SpawnComponent(EnemyType.worm));
         player.addComponent(new PlayerController());
+        player.addComponent(new FollowCamera(player)).focusOffset = new Vector2(this.stage.stageWidth / 2, this.stage.stageHeight / 2);
 
         for (let i = 0; i < 20; i ++){
             let image = new eui.Image(RES.getRes("checkbox_select_disabled_png"));
@@ -112,9 +113,6 @@ class Main extends eui.UILayer {
             this.addChild(image);
             player2.transform.position = new Vector2(Math.random() * 100 * i, Math.random() * 100 * i);
         }
-        
-
-        scene.camera.setPosition(new Vector2(-200, -200));
 
         // Main.emitter.addObserver(CoreEmitterType.Update, ()=>{
         //     console.log("update emitter");

demo/src/game/PlayerController.ts

@@ -22,8 +22,8 @@ class PlayerController extends Component {
         if (this.down){
             let camera = SceneManager.getActiveScene().camera;
             let worldVec = camera.screenToWorldPoint(this.touchPoint);
-            console.log(worldVec, camera.transform.position);
-            camera.transform.position = Vector2.lerp(camera.transform.position, worldVec, Time.deltaTime);
+            this.entity.position = Vector2.lerp(this.entity.position, Vector2.add(worldVec, 
+            new Vector2(this.entity.scene.stage.stageWidth / 2, this.entity.scene.stage.stageHeight / 2)), Time.deltaTime);
         }
     }
 }