88 lines
2.3 KiB
GDScript
88 lines
2.3 KiB
GDScript
tool
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extends "res://objects/enemy/enemy.gd"
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enum Direction {HORIZONTAL, VERTICAL}
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#How far to move
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export var left_up_boundary = 0.0 setget _set_left_up_boundary
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export var right_down_boundary = 0.0 setget _set_right_down_boundary
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#Start direction
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export var direction = 1
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export var speed = 50
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#Move horizontal or vertical
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export(Direction) var move_direction
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export var node_to_flip: NodePath
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#Onreadys
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onready var startpos = position
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onready var _flipped_node: Node2D = get_node_or_null(node_to_flip)
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func _ready():
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if Engine.editor_hint:
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return
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left_up_boundary *= 8
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right_down_boundary *= 8
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#Easy mode
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if Game.is_easy_mode == true:
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speed = speed * Game.easy_mode_speed_factor
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func _physics_process(delta):
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if Engine.editor_hint:
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return
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if right_down_boundary == 0 and left_up_boundary == 0:
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return
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elif move_direction == 0:
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move_side_to_side(delta)
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else: move_up_and_down(delta)
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func move_side_to_side(delta):
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#Move
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position.x += direction * (speed * delta)
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#Switch dir
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if position.x >= startpos.x + (right_down_boundary):
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direction = -1
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if is_instance_valid(_flipped_node):
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_flipped_node.scale.x = -1.0
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if position.x <= startpos.x + (-left_up_boundary):
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direction = 1
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if is_instance_valid(_flipped_node):
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_flipped_node.scale.x = 1.0
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func move_up_and_down(delta):
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#Move
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position.y += direction * (speed * delta)
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#Switch dir
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if position.y >= startpos.y + (right_down_boundary):
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direction = -1
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if is_instance_valid(_flipped_node):
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_flipped_node.scale.y = 1.0
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if position.y <= startpos.y + (-left_up_boundary):
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direction = 1
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if is_instance_valid(_flipped_node):
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_flipped_node.scale.y = -1.0
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# editor debug drawing
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func _draw():
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if Engine.editor_hint:
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match move_direction:
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Direction.HORIZONTAL:
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draw_line(
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Vector2(-left_up_boundary * 8.0, 0.0),
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Vector2(right_down_boundary * 8.0, 0.0),
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Color(0.4, 0.2, 0.6, 0.75), 1.01, false
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)
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Direction.VERTICAL:
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draw_line(
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Vector2(0.0, -left_up_boundary * 8.0),
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Vector2(0.0, right_down_boundary * 8.0),
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Color(0.4, 0.2, 0.6, 0.75), 1.01, false
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)
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func _set_left_up_boundary(value):
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left_up_boundary = value
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if Engine.editor_hint:
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update()
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func _set_right_down_boundary(value):
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right_down_boundary = value
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if Engine.editor_hint:
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update()
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