新增基础实体系统

demo/src/game/MainScene.ts

@@ -0,0 +1,7 @@
+class MainScene extends Scene {
+    constructor(displayContent: egret.DisplayObject){
+        super(displayContent);
+
+        this.addEntityProcessor(new SpawnerSystem(new Matcher()));
+    }
+}

demo/src/game/SpawnerComponent.ts

@@ -0,0 +1,25 @@
+class SpawnComponent extends Component {
+    public cooldown = -1;
+    public minInterval = 2;
+    public maxInterval = 60;
+    public enemyType = EnemyType.worm;
+    public numSpawned = 0;
+    public numAlive = 0;
+
+    constructor(enemyType: EnemyType) {
+        super();
+        this.enemyType = enemyType;
+    }
+
+    public initialize() {
+        // console.log("initialize");
+    }
+
+    public update() {
+        // console.log("update");
+    }
+}
+
+enum EnemyType {
+    worm
+}

demo/src/game/SpawnerSystem.ts

@@ -0,0 +1,29 @@
+class SpawnerSystem extends EntityProcessingSystem {
+    constructor(matcher: Matcher){
+        super(matcher);
+    }
+
+    public processEntity(entity: Entity){
+        let spawner = entity.getComponent<SpawnComponent>();
+        if (spawner.numAlive <= 0)
+            spawner.enabled = true;
+
+        if (!spawner.enabled)
+            return;
+
+        console.log("cooldown", spawner.cooldown);
+        if (spawner.cooldown == -1){
+            spawner.cooldown /= 4;
+        }
+
+        spawner.cooldown -= 0.001;
+        if (spawner.cooldown <= 0){
+            // CreateEnemy
+            spawner.numSpawned ++;
+            spawner.numAlive ++;
+
+            if (spawner.numAlive > 0)
+                spawner.enabled = false;
+        }
+    }
+}

demo/src/game/TestComponent.ts

@@ -1,14 +0,0 @@
-class TestComponent extends Component {
-    constructor(displayRender: egret.DisplayObject){
-        super();
-        this.bind(displayRender);
-    }
-
-    public initialize(){
-        // console.log("initialize");
-    }
-
-    public update(){
-        // console.log("update");
-    }
-}