39 lines
1.3 KiB
GDScript
39 lines
1.3 KiB
GDScript
#*
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#* back_away.gd
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#* =============================================================================
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#* Copyright (c) 2023-present Serhii Snitsaruk and the LimboAI contributors.
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#*
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#* Use of this source code is governed by an MIT-style
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#* license that can be found in the LICENSE file or at
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#* https://opensource.org/licenses/MIT.
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#* =============================================================================
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#*
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@tool
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extends BTAction
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## Moves the agent in the opposite direction of its current facing. [br]
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## Returns [code]RUNNING[/code] always.
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## Blackboard variable that stores desired speed.
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@export var speed_var: StringName = &"speed"
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## How much can we deviate from the "away" direction (in radians).
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@export var max_angle_deviation: float = 0.7
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var _dir: Vector2
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var _desired_velocity: Vector2
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# Called each time this task is entered.
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func _enter() -> void:
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# Determine "away" direction and desired velocity
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_dir = Vector2.LEFT * agent.get_facing()
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var speed: float = blackboard.get_var(speed_var, 200.0)
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var rand_angle = randf_range(-max_angle_deviation, max_angle_deviation)
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_desired_velocity = _dir.rotated(rand_angle) * speed
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# Called each time this task is ticked (aka executed).
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func _tick(_delta: float) -> Status:
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agent.move(_desired_velocity)
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agent.face_dir(-signf(_dir.x))
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return RUNNING
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