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/SeniorDevTower.ts

@@ -8,39 +8,56 @@ export class SeniorDevTower extends TowerBase {
   }
 
   attack(target: EnemyBase): void {
-    this.fireBullet(target)
+    this.fireCodeBullet(target)
   }
 
-  private fireBullet(target: EnemyBase): void {
-    const bullet = this.scene.add.graphics()
-    bullet.fillStyle(0x22c55e, 1)
-    bullet.fillRoundedRect(-5, -5, 10, 10, 2)
-    // 添加绿色发光
-    bullet.lineStyle(1, 0x86efac, 0.8)
-    bullet.strokeRoundedRect(-6, -6, 12, 12, 3)
-    bullet.setPosition(this.px, this.py)
-    bullet.setDepth(13)
+  private fireCodeBullet(target: EnemyBase): void {
+    // 随机代码符号作为子弹
+    const symbols = ['</>', '{}', '=>', '??', '&&', '||', '++', '!=']
+    const sym = symbols[Math.floor(Math.random() * symbols.length)]
+
+    const bullet = this.scene.add.text(this.px, this.py, sym, {
+      fontFamily: 'monospace',
+      fontSize: '13px',
+      color: '#86efac',
+      stroke: '#14532d',
+      strokeThickness: 2,
+    }).setOrigin(0.5, 0.5).setDepth(13)
 
     const dx = target.x - this.px
     const dy = target.y - this.py
     const dist = Math.sqrt(dx * dx + dy * dy)
-    const duration = (dist / 500) * 1000
+    // 子弹速度 1200px/s，比原来快 2.4 倍
+    const duration = (dist / 1200) * 1000
 
     this.scene.tweens.add({
       targets: bullet,
-      x: target.x, y: target.y,
+      x: target.x,
+      y: target.y,
       duration,
+      ease: 'Linear',
       onComplete: () => {
         bullet.destroy()
         if (!target.isDead) {
           target.takeDamage(this.attackDamage)
           target.addDOT(10, 3000)
-          // DOT 命中效果
-          const fx = this.scene.add.graphics()
-          fx.lineStyle(2, 0x22c55e, 0.8)
-          fx.strokeCircle(target.x, target.y, 14)
-          fx.setDepth(15)
-          this.scene.time.delayedCall(300, () => fx.destroy())
+          // DOT 命中：绿色代码粒子爆散
+          for (let i = 0; i < 4; i++) {
+            const p = this.scene.add.text(
+              target.x, target.y,
+              ['bug', 'err', '!!!', '???'][i],
+              { fontFamily: 'monospace', fontSize: '10px', color: '#22c55e' }
+            ).setOrigin(0.5, 0.5).setDepth(15)
+            const angle = (i / 4) * Math.PI * 2
+            this.scene.tweens.add({
+              targets: p,
+              x: target.x + Math.cos(angle) * 22,
+              y: target.y + Math.sin(angle) * 22,
+              alpha: 0,
+              duration: 400,
+              onComplete: () => p.destroy(),
+            })
+          }
         }
       },
     })