30 lines
1.2 KiB
GDScript
30 lines
1.2 KiB
GDScript
extends Node3D
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## Rotation of cyclic stick model for full control deflection, in degrees
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@export var range_cyclic: float = 30
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@onready var connector: MarshConnector = $MarshConnector
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@onready var skeleton: Skeleton3D = $"Mi-2/Armature/Skeleton3D"
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@onready var attitude_root: Node3D = $AttitudeRoot
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@onready var bone_cg: int = skeleton.find_bone("BodyCG")
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@onready var bone_cyclic: int = skeleton.find_bone("Cyclic")
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func _process(_delta: float) -> void:
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var target := connector.get_aircraft()
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position = target.origin
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# Add the rotation to the correct bone for rotation around CG
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var rest := skeleton.get_bone_rest(bone_cg).basis.get_rotation_quaternion()
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var attitude := target.basis.get_rotation_quaternion()
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skeleton.set_bone_pose_rotation(bone_cg, attitude * rest)
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# Rotate other children (not using BoneAttachment3D due to jitter)
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attitude_root.rotation = target.basis.get_euler()
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# Rotate the cyclic stick bone
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var cyclic := connector.get_cyclic()
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var cyc_rest := skeleton.get_bone_rest(bone_cyclic).basis.get_rotation_quaternion()
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var cyc_angles_rad := cyclic * deg_to_rad(range_cyclic)
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var cyc_att := Quaternion.from_euler(Vector3(cyc_angles_rad.y, cyc_angles_rad.x, 0))
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skeleton.set_bone_pose_rotation(bone_cyclic, cyc_att * cyc_rest)
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