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class_name FollowCamera
extends Camera3D
const ROTATE_SPEED: float = 1.5
const ROTATE_WEIGHT: float = 8.0
const LOOK_WEIGHT: float = 8.0
const MOVE_WEIGHT: float = 2.0
@export var target: Node3D
var angle_target: float = 0
var angle: float = 0
var ground: Vector3
func _ready():
if target == null:
push_warning("target is not set")
else:
ground = target.position
func _process(delta):
if target != null:
follow(delta)
func follow(delta):
var new_transform = transform.looking_at(target.position)
transform.basis = transform.basis.from_euler(Vector3(
lerp_angle(transform.basis.get_euler().x, new_transform.basis.get_euler().x, delta * LOOK_WEIGHT),
lerp_angle(transform.basis.get_euler().y, new_transform.basis.get_euler().y, delta * LOOK_WEIGHT),
lerp_angle(transform.basis.get_euler().z, new_transform.basis.get_euler().z, delta * LOOK_WEIGHT)
))
angle_target += Input.get_axis("rotate_left", "rotate_right") * ROTATE_SPEED * delta
angle = lerp_angle(angle, angle_target, delta * ROTATE_WEIGHT)
ground = ground.lerp(target.position, delta * MOVE_WEIGHT)
position = ground + Vector3(0, 7.5, 7.5).rotated(Vector3.UP, angle)
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