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evospace/entities/ufo/ufo.gd

49 lines
1.3 KiB
GDScript

extends "../enemy.gd"
export (int) var pellett_count = 10
export (int) var pellett_radius = 10
export (float) var pellett_speed = 0.6
export (int) var pellett_rows_per_wave = 3
export (int) var pellet_waves = 3
var shoot_timer = Timer.new()
var phase = -1
var max_phase
var pellett = preload("res://entities/pellett/pellett.tscn")
func _ready():
shoot_timer.one_shot = true
shoot_timer.wait_time = 0.5
add_child(shoot_timer)
max_phase = pellet_waves * pellett_rows_per_wave
func _process(delta):
if shoot_timer.is_stopped() && phase >= 0 && phase <= max_phase:
if phase % pellett_rows_per_wave == 0:
shoot_timer.wait_time = 3.5
else:
shoot_timer.wait_time = 0.5
phase += 1
var angle_step = 2.0 * PI / pellett_count
var angle = 0
for i in range(0, pellett_count):
var direction = Vector2(cos(angle), sin(angle))
var pos = position + direction * pellett_radius
var pellett_shot = pellett.instance()
pellett_shot.position = pos
angle += angle_step
pellett_shot.velocity = direction * pellett_speed
level.add_child(pellett_shot)
shoot_timer.start()
func _physics_process(delta):
if phase == -1 && position.y < 40:
velocity.y = 0.8
elif phase == - 1:
phase = 1
velocity = Vector2(0, 0)
if shoot_timer.is_stopped() && phase >= max_phase - 1:
velocity.y = 0.8
collision_info = move_and_collide(velocity)