101 lines
2.3 KiB
GDScript
101 lines
2.3 KiB
GDScript
class_name AbstractTeslaProjectile
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extends AbstractDirectHitProjectile
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@export_range(0.01, 0.5) var jink_min_delay: float = 0.01
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@export_range(0.01, 0.5) var jink_max_delay: float = 0.01
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@export_range(0, 360) var deviation_angle: int = 0
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@export_range(0, 1000) var no_deviation_distance: int = 0
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var _collided_foes : Array[AbstractShip] = []
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@onready var jink_timer : Timer = $JinkTimer
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@onready var life_timer : Timer = $LifeTimer
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@onready var line_thin : Line2D = $LineThin
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@onready var line_thick : Line2D = $LineThick
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func _ready() -> void:
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super._ready()
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_start_jink_timer()
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_prepare_line(line_thin)
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_prepare_line(line_thick)
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line_thin.hide()
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func _prepare_line(line: Line2D) -> void:
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line.reparent(get_tree().current_scene)
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line.global_position = Vector2.ZERO
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line.add_point(position)
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func _physics_process(delta: float) -> void:
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super._physics_process(delta)
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line_thin.add_point(position)
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line_thick.add_point(position)
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func _process_hit_for_projectile(collided_body: Node2D) -> void:
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if collided_body is AbstractShip:
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_collided_foes.append(collided_body)
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damage.value = floor(damage.value/2.0)
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if damage.value == 0:
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_start_fading()
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_velocity = _apply_random_deviation(_velocity)
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_start_jink_timer()
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func delete() -> void:
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line_thin.queue_free()
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line_thick.queue_free()
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super.delete()
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func _start_jink_timer() -> void:
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var random_delay := randf_range(jink_min_delay, jink_max_delay)
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jink_timer.start(random_delay)
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func _on_jink_timer_timeout() -> void:
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var foe := _get_nearest_foe(_collided_foes)
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if foe:
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_target_foe(foe)
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if position.distance_to(foe.position) > no_deviation_distance:
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_velocity = _apply_random_deviation(_velocity)
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else:
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_velocity = _apply_random_deviation(_velocity)
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_start_jink_timer()
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func _target_foe(foe: AbstractShip) -> void:
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var current_speed := _velocity.length()
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var foe_direction := position.direction_to(foe.position)
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_velocity = current_speed * foe_direction
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func _apply_random_deviation(vector: Vector2) -> Vector2:
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var deviation_rad := deg_to_rad(deviation_angle)
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var random_angle := randfn(0.0, deviation_rad)
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return vector.rotated(random_angle)
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func _start_fading() -> void:
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line_thick.hide()
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line_thin.show()
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life_timer.start()
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func _on_life_timer_timeout() -> void:
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delete()
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func _on_out_of_screen_timer_timeout() -> void:
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_start_fading()
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