69 lines
1.8 KiB
GDScript3
69 lines
1.8 KiB
GDScript3
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class_name ClimbComponent extends ComponentBase
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var characterbody: CharacterBody2D
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@export var climb_max_stamina: float
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@export var climb_max_speed_upward: float = 45.0
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@export var climb_max_speed_downward: float = 80.0
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@export var climb_acceleration: float = 900.0
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var _climb_input: float
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var _can_climb: bool = false
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func _init_component()-> void:
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characterbody = component_owner as CharacterBody2D
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assert(characterbody,"组件没有正确的绑定CharacterBody2D")
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func _physics_process(delta: float) -> void:
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if not _can_climb: return
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print("攀爬更新中")
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_update_climb(delta)
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characterbody.move_and_slide() #移动更新
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func _update_climb(delta) -> void:
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var target_abs: float
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#更新目标速度
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if sign(_climb_input) == .0:
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target_abs = 0
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elif sign(_climb_input) > 0:
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target_abs = climb_max_speed_downward
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else:
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target_abs = climb_max_speed_upward
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var target = target_abs * _climb_input
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characterbody.velocity.y = speed_approach(characterbody.velocity.y,target,climb_acceleration * delta)
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func add_climb_input(input: float) -> bool:
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_climb_input = input
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return true
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func start_climb(force_reset: bool = false) -> void:
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if force_reset:
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characterbody.velocity = Vector2.ZERO
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characterbody.move_and_slide()
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_can_climb = true
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func suspend_climb() -> void:
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_can_climb = false
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#region Helper Function
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func speed_approach(current: float, target: float, delta: float) -> float:
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if current < target:
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return min(current + delta, target)
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elif current > target:
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return max(current - delta, target)
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return target
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func velocity_approach(current: Vector2, target: Vector2, delta: float) -> Vector2:
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var result = current
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result.x = speed_approach(current.x, target.x, delta)
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result.y = speed_approach(current.y, target.y, delta)
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return result
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#endregion
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