79 lines
1.6 KiB
GDScript
79 lines
1.6 KiB
GDScript
class_name AbstractProjectile
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extends Area2D
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const PLAYER_LAYER = 2
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const ENEMY_LAYER = 4
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const PLAYER_PROJECTILE_LAYER = 8
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const ENEMY_PROJECTILE_LAYER = 16
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@export var damage : AbstractDamage
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@export_range(0, 1000) var speed : int = 0
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@onready var collision : CollisionShape2D = $CollisionShape2D
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var direction : Vector2
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var ship_velocity: Vector2
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var collide_players: bool:
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set(value):
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collide_players = value
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_apply_collision_mask()
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var collide_enemies: bool:
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set(value):
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collide_enemies = value
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_apply_collision_mask()
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var _velocity: Vector2
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func _ready() -> void:
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_velocity = direction.normalized() * speed + ship_velocity
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_update_collision_rotation(_velocity)
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_apply_collision_mask()
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func _physics_process(delta: float) -> void:
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position += _velocity * delta
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func _apply_collision_mask() -> void:
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if collide_players:
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collision_layer |= ENEMY_PROJECTILE_LAYER
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collision_mask |= PLAYER_LAYER
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else:
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collision_layer &= ~ENEMY_PROJECTILE_LAYER
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collision_mask &= ~PLAYER_LAYER
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if collide_enemies:
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collision_layer |= PLAYER_PROJECTILE_LAYER
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collision_mask |= ENEMY_LAYER
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else:
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collision_layer &= ~PLAYER_PROJECTILE_LAYER
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collision_mask &= ~ENEMY_LAYER
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func _update_collision_rotation(velocity: Vector2) -> void:
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collision.rotation = velocity.angle() - 0.5 * PI
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func _on_screen_exited() -> void:
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queue_free()
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func _on_body_entered(body: Node2D) -> void:
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var health_component : Health = body.find_child("Health")
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if health_component and health_component.has_method("apply_damage"):
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health_component.apply_damage(damage)
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_process_hit_for_projectile()
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func _process_hit_for_projectile() -> void:
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queue_free()
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