2024-11-03 16:50:44 -07:00
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class_name TrackingCamera extends Camera3D
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## Camera that tracks a target, maintaining a distance within parameters.
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const ROTATION_ACCELERATION := 2.0
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const POSITION_ACCELERATION := 4.0
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@export var target: Node3D
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2024-11-04 15:16:32 -07:00
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@export var active := false
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2024-11-03 16:50:44 -07:00
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@export var min_distance := 0.5
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@export var max_distance := 3.0
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func _physics_process(delta: float) -> void:
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if not active:
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return
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# Update position
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var relative_position := global_position - target.global_position
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var distance := relative_position.length()
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if distance < min_distance:
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global_position = global_position.lerp(
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target.global_position + relative_position.normalized() * min_distance,
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delta * POSITION_ACCELERATION
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)
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elif distance > max_distance:
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global_position = global_position.lerp(
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target.global_position + relative_position.normalized() * max_distance,
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delta * POSITION_ACCELERATION
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)
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# Update rotation
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var target_basis := (
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Transform3D().looking_at(target.global_position - global_position, Vector3.UP).basis
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)
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global_basis = global_basis.slerp(target_basis, delta * ROTATION_ACCELERATION)
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