91 lines
2.3 KiB
TypeScript
91 lines
2.3 KiB
TypeScript
import type Phaser from 'phaser'
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import { TowerBase } from './TowerBase'
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import type { EnemyBase } from '../enemies/EnemyBase'
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import type { TowerBase as TowerBaseType } from './TowerBase'
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const BUFF_ATTACK_SPEED_BONUS = 0.2
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export class HRBPTower extends TowerBase {
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private buffCooldown: number = 0
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private readonly BUFF_INTERVAL = 500
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private nearbyTowersBuff: Set<TowerBaseType> = new Set()
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constructor(scene: Phaser.Scene, gridX: number, gridY: number) {
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super(scene, gridX, gridY, 80, 1, 0, 0)
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this.drawSprite()
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}
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drawSprite(): void {
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if (!this.sprite) return
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this.sprite.clear()
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// 菱形（粉色）
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this.sprite.fillStyle(0xec4899, 1)
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this.sprite.fillTriangle(0, -16, 16, 0, 0, 16)
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this.sprite.fillTriangle(0, -16, -16, 0, 0, 16)
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this.sprite.setPosition(this.px, this.py)
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this.sprite.setDepth(10)
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}
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override update(delta: number, enemies: EnemyBase[]): void {
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// HRBP 没有攻击逻辑，只做 BUFF
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void enemies
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if (!this.isActive) {
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this.stamina = Math.min(
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this.maxStamina,
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this.stamina + (this.staminaRegen * delta) / 1000
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)
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if (this.stamina > 20) this.isActive = true
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this.updateStaminaBar()
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return
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}
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this.buffCooldown -= delta
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if (this.buffCooldown <= 0) {
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this.buffCooldown = this.BUFF_INTERVAL
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this.applyBuffToNearby()
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}
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}
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setNearbyTowers(towers: TowerBaseType[]): void {
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this.nearbyTowersBuff = new Set(towers)
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}
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private applyBuffToNearby(): void {
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if (this.nearbyTowersBuff.size === 0) return
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if (this.stamina < 5) {
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this.isActive = false
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return
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}
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this.stamina -= 5
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this.updateStaminaBar()
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// BUFF 效果通过 attackSpeedMultiplier 外部读取
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// 这里显示一个粉色光圈效果
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this.showBuffEffect()
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}
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private showBuffEffect(): void {
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const g = this.scene.add.graphics()
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g.lineStyle(2, 0xec4899, 0.6)
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g.strokeCircle(this.px, this.py, 90)
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g.setDepth(8)
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this.scene.tweens.add({
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targets: g,
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alpha: 0,
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duration: 400,
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onComplete: () => g.destroy(),
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})
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}
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getBuffedTowers(): Set<TowerBaseType> {
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return this.nearbyTowersBuff
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}
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getAttackSpeedBonus(): number {
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return BUFF_ATTACK_SPEED_BONUS
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}
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// HRBP 无直接攻击
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attack(_target: EnemyBase): void {}
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}
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