starmen1265
3c6f31b503
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
59 lines
1.6 KiB
GDScript
59 lines
1.6 KiB
GDScript
class_name EnemyFortress
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extends EnemyBase
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## 地面固定堡垒：随地面同速下滚，炮塔持续追踪玩家并瞄准射击。
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const TEX := preload("res://assets/svg/fortress.svg")
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const TURRET_TEX := preload("res://assets/svg/fortress_turret.svg")
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const SCROLL_SPEED := 120.0
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const MUZZLE_LEN := 26.0
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var difficulty := 1.0
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var fire_interval := 2.6
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var bullet_speed := 220.0
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var _turret: Sprite2D
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var _fire_timer := 0.0
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func setup(p_x: float, p_y: float, p_difficulty := 1.0) -> void:
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position = Vector2(p_x, p_y)
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difficulty = p_difficulty
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fire_interval = maxf(1.5, 2.6 / p_difficulty)
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bullet_speed = 220.0 * p_difficulty
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func _ready() -> void:
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# 层 32：地面单位——玩家子弹可命中，但玩家机体不与其碰撞（飞越上空）
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collision_layer = 32
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collision_mask = 0
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hp = 4
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score_value = 300
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hit_radius = 26.0
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var base := Sprite2D.new()
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base.texture = TEX
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add_child(base)
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_turret = Sprite2D.new()
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_turret.texture = TURRET_TEX
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add_child(_turret)
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var shape := CollisionShape2D.new()
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var circle := CircleShape2D.new()
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circle.radius = 24.0
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shape.shape = circle
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add_child(shape)
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_fire_timer = randf_range(0.8, 1.8)
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func _process(delta: float) -> void:
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position.y += SCROLL_SPEED * delta
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if position.y > 1020.0:
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queue_free()
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return
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var dir := _aim_direction()
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# 炮塔美术默认朝下(+Y)：rotate 对齐瞄准方向
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_turret.rotation = dir.angle() - PI / 2.0
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if position.y > 60.0 and position.y < 720.0:
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_fire_timer -= delta
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if _fire_timer <= 0.0:
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_fire_timer = fire_interval
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_fire_bullet(dir * bullet_speed, dir * MUZZLE_LEN)
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