feat: 场景与核心玩法脚本（双机型/波次/Boss/道具/炸弹/地面单位/浮游炮激光）

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
2026-08-31 00:31:29 +08:00
parent 024447fbda
commit 3c6f31b503
36 changed files with 1692 additions and 0 deletions
@@ -0,0 +1,51 @@
+class_name EnemyShip
+extends EnemyBase
+## 驱逐舰：随海面航行（比地面稍快），舰桥瞄准玩家射击。
+
+const TEX := preload("res://assets/svg/ship.svg")
+const MUZZLE := Vector2(0.0, 0.0)
+
+var difficulty := 1.0
+var scroll_speed := 160.0
+var fire_interval := 2.4
+var bullet_speed := 230.0
+
+var _fire_timer := 0.0
+
+
+func setup(p_x: float, p_y: float, p_difficulty := 1.0) -> void:
+	position = Vector2(p_x, p_y)
+	difficulty = p_difficulty
+	scroll_speed = 150.0 + 20.0 * p_difficulty
+	fire_interval = maxf(1.6, 2.4 / p_difficulty)
+	bullet_speed = 230.0 * p_difficulty
+
+
+func _ready() -> void:
+	# 层 32：海面单位——玩家子弹可命中，但玩家机体不与其碰撞（飞越上空）
+	collision_layer = 32
+	collision_mask = 0
+	hp = 8
+	score_value = 800
+	hit_radius = 46.0
+	var sprite := Sprite2D.new()
+	sprite.texture = TEX
+	add_child(sprite)
+	var shape := CollisionShape2D.new()
+	var rect := RectangleShape2D.new()
+	rect.size = Vector2(38.0, 112.0)
+	shape.shape = rect
+	add_child(shape)
+	_fire_timer = randf_range(1.0, 2.2)
+
+
+func _process(delta: float) -> void:
+	position.y += scroll_speed * delta
+	if position.y > 1100.0:
+		queue_free()
+		return
+	if position.y > 60.0 and position.y < 760.0:
+		_fire_timer -= delta
+		if _fire_timer <= 0.0:
+			_fire_timer = fire_interval
+			_fire_bullet(_aim_direction() * bullet_speed, MUZZLE)