40 lines
1.1 KiB
GDScript3
40 lines
1.1 KiB
GDScript3
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extends Node3D
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@export var target : Node3D
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var currTransform: Transform3D
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var prevTransform: Transform3D
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# Called when the node enters the scene tree for the first time.
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func _ready() -> void:
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currTransform = Transform3D()
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prevTransform = Transform3D()
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set_process_priority(100)
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set_as_top_level(true)
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Engine.set_physics_jitter_fix(0.0)
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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func _process(_delta: float) -> void:
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if target == null:
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return
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var f := Engine.get_physics_interpolation_fraction()
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var new_transform: Transform3D = Transform3D()
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var ptDiff := currTransform.origin - prevTransform.origin
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new_transform.origin = prevTransform.origin + (ptDiff * f)
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new_transform.basis = _LerpBasis(prevTransform.basis, currTransform.basis, f)
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transform = new_transform
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func _physics_process(_delta: float) -> void:
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prevTransform = currTransform
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currTransform = target.global_transform
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func _LerpBasis(from: Basis, to: Basis, f: float) -> Basis:
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var res: Basis = Basis()
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res.x = from.x.lerp(to.x, f)
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res.y = from.y.lerp(to.y, f)
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res.z = from.z.lerp(to.z, f)
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return res
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