starmen1265
3c6f31b503
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
72 lines
1.6 KiB
GDScript
72 lines
1.6 KiB
GDScript
class_name EnemySmall
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extends EnemyBase
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## 小型敌机：直线下压 + 可选横向摆动，部分会朝正下方开火。
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const TEX := preload("res://assets/svg/enemy_small.svg")
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var base_x := 270.0
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var vy := 150.0
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var sway_amp := 0.0
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var sway_freq := 2.0
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var phase := 0.0
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var shoot := false
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var bullet_speed := 250.0
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var _t := 0.0
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var _shoot_timer := 0.0
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func setup(
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p_base_x: float,
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p_y: float,
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p_vy: float,
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p_sway_amp := 0.0,
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p_sway_freq := 2.0,
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p_phase := 0.0,
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p_shoot := false,
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p_bullet_speed := 250.0
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) -> void:
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base_x = p_base_x
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position = Vector2(p_base_x, p_y)
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vy = p_vy
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sway_amp = p_sway_amp
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sway_freq = p_sway_freq
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phase = p_phase
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shoot = p_shoot
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bullet_speed = p_bullet_speed
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func _ready() -> void:
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collision_layer = 4
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collision_mask = 0
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hp = 1
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score_value = 100
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hit_radius = 14.0
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var sprite := Sprite2D.new()
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sprite.texture = TEX
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# 掉落道具的敌机染成红色涂装（1942 惯例：红机掉宝）
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if drops_powerup:
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sprite.modulate = Color(1.0, 0.5, 0.4)
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add_child(sprite)
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var shape := CollisionShape2D.new()
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var capsule := CapsuleShape2D.new()
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capsule.radius = 12.0
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capsule.height = 34.0
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shape.shape = capsule
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add_child(shape)
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_shoot_timer = randf_range(1.2, 2.4)
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func _process(delta: float) -> void:
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_t += delta
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position.y += vy * delta
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position.x = base_x + sin(_t * sway_freq + phase) * sway_amp
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if position.y > 1010.0 or position.x < -50.0 or position.x > 590.0:
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queue_free()
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return
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if shoot and position.y > 90.0 and position.y < 640.0:
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_shoot_timer -= delta
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if _shoot_timer <= 0.0:
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_shoot_timer = randf_range(1.8, 3.0)
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_fire_bullet(Vector2(0.0, bullet_speed))
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