43 lines
1.2 KiB
GDScript
43 lines
1.2 KiB
GDScript
@tool
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class_name LookForwardModifier
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extends SkeletonModifier3D
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@export var target_object: Marker3D
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@export var head_marker: Marker3D
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@export_enum(" ") var bone: String
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func _validate_property(property: Dictionary) -> void:
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if property.name == "bone":
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var skeleton: Skeleton3D = get_skeleton()
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if skeleton:
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property.hint = PROPERTY_HINT_ENUM
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property.hint_string = skeleton.get_concatenated_bone_names()
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func _process_modification() -> void:
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var skeleton: Skeleton3D = get_skeleton()
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if !skeleton:
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return
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var bone_idx: int = skeleton.find_bone(bone)
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if bone_idx == -1:
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return
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var target_position_global: Vector3 = target_object.global_position
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var target_position_local: Vector3 = to_local(target_position_global)
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var head_bone_pose: Transform3D = skeleton.get_bone_global_pose(bone_idx)
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var new_pose: Transform3D = head_bone_pose.looking_at(target_position_local, Vector3.FORWARD, true)
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var new_basis: Basis
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new_basis.y = new_pose.basis.y
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new_basis.z = new_pose.basis.z
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new_basis.x = new_pose.basis.x
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new_pose.basis = new_basis
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skeleton.set_bone_global_pose(bone_idx, new_pose)
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func z_and_y_inverse(v : Vector3) -> Vector3 :
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var tmp: float = v.z
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v.z = v.y
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v.y = tmp
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return v
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