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