virtualx-engine/demos/2d/space_shooter/enemy2.gd

47 lines
914 B
GDScript

extends Area2D
# Member variables
const SPEED = -220
const SHOOT_INTERVAL = 1
var shoot_timeout = 0
var destroyed=false
func _fixed_process(delta):
translate(Vector2(SPEED*delta, 0))
shoot_timeout -= delta
if (shoot_timeout < 0):
shoot_timeout = SHOOT_INTERVAL
# Instance a shot
var shot = preload("res://enemy_shot.tscn").instance()
# Set pos as "shoot_from" Position2D node
shot.set_pos(get_node("shoot_from").get_global_pos())
# Add it to parent, so it has world coordinates
get_parent().add_child(shot)
func is_enemy():
return not destroyed
func destroy():
if (destroyed):
return
destroyed = true
get_node("anim").play("explode")
set_fixed_process(false)
get_node("sfx").play("sound_explode")
# Accumulate points
get_node("/root/game_state").points += 10
func _on_visibility_enter_screen():
set_fixed_process(true)
func _on_visibility_exit_screen():
queue_free()