64 lines
1.5 KiB
GDScript
64 lines
1.5 KiB
GDScript
extends LimboState
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@export var run_dust_distance:= 50
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var _accelerated_distance: float
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var _is_first_update: bool
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var _last_frame_position: Vector2
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var _run_dust_counter: float
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func _enter() -> void:
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_reset_distance()
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_reset_run_dust_counter()
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_is_first_update = true
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return
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func _exit() -> void:
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_reset_distance()
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func _update(delta: float) -> void:
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_handle_move_input()
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## 更新並獲取到delta ditance
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var delta_distance = _update_accelerated_distance() as float
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#print(delta_distance)
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## 如果移動了一定的距離，則播放dust特效
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_run_dust_counter -= delta_distance
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if _run_dust_counter < 0:
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agent.on_run_dust()
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_reset_run_dust_counter()
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func _handle_move_input() -> void:
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var move_direction = agent.get_move_input().x as float
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if move_direction == 0.0:
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get_root().dispatch(self.EVENT_FINISHED)
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agent.locomotion_comp.stop_movement(0.0) #用0唤起制动加速度
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return
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agent.locomotion_comp.add_movement_input(move_direction)
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##更新距離，返回的是Delta Distance
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func _update_accelerated_distance() -> float:
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var c = agent.global_position as Vector2
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if _is_first_update:
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_last_frame_position = c
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_accelerated_distance = 0
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_is_first_update = false
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return _accelerated_distance
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var _delta = c.distance_to(_last_frame_position) as float
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_last_frame_position = c
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_accelerated_distance += _delta
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return _delta
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func _reset_distance() -> void:
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_accelerated_distance = 0
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_last_frame_position = Vector2.ZERO
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func _reset_run_dust_counter() -> void:
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_run_dust_counter = run_dust_distance
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