feat(game): 新增3个角色、修复实习生攻击特效、加速开发子弹、每波结束自动进入下一波

game/towers/InternTower.ts

@@ -32,7 +32,8 @@ export class InternTower extends TowerBase {
   }
 
   attack(target: EnemyBase): void {
-    if (Math.random() < 0.05 && target.hp < 500) {
+    const isInstakill = Math.random() < 0.05 && target.hp < 500
+    if (isInstakill) {
       target.takeDamage(9999)
       this.showMessage('整顿职场！秒杀！', '#A3E635')
     } else {
@@ -42,11 +43,34 @@ export class InternTower extends TowerBase {
   }
 
   private showMeleeEffect(target: EnemyBase): void {
-    const g = this.scene.add.graphics()
-    g.fillStyle(0x22c55e, 0.6)
-    g.fillCircle(target.x, target.y, 12)
-    g.setDepth(15)
-    this.scene.time.delayedCall(150, () => g.destroy())
+    // 从塔飞向目标的拳头轨迹
+    const fist = this.scene.add.text(this.px, this.py, '👊', {
+      fontSize: '18px',
+    }).setOrigin(0.5, 0.5).setDepth(16)
+
+    this.scene.tweens.add({
+      targets: fist,
+      x: target.x,
+      y: target.y,
+      duration: 120,
+      ease: 'Power2',
+      onComplete: () => {
+        fist.destroy()
+        // 命中爆炸圆圈
+        const g = this.scene.add.graphics()
+        g.lineStyle(3, 0xa3e635, 1)
+        g.strokeCircle(target.x, target.y, 16)
+        g.fillStyle(0xa3e635, 0.25)
+        g.fillCircle(target.x, target.y, 16)
+        g.setDepth(15)
+        this.scene.tweens.add({
+          targets: g,
+          scaleX: 1.6, scaleY: 1.6, alpha: 0,
+          duration: 250,
+          onComplete: () => g.destroy(),
+        })
+      },
+    })
   }
 
   private showMessage(msg: string, color: string): void {