Add Exponential table progress bar

UI/progress_bar_3d.gd

@@ -2,6 +2,7 @@ extends Node3D
 class_name ProgressBar3D
 
 @export var y_billboard: bool = false
+@export var exponential:bool = false
 
 @onready var progress_bar: ProgressBar = $Sprite3D/SubViewport/ProgressBar
 @onready var sprite_3d: Sprite3D = $Sprite3D
@@ -14,7 +15,10 @@ func _ready() -> void:
 		$Sprite3D.billboard = BaseMaterial3D.BillboardMode.BILLBOARD_FIXED_Y
 
 func set_progress(value: float) -> void:
-	progress_bar.value = clamp(value, 0.0, 1.0) * 100
+	if exponential:
+		progress_bar.value = clamp(pow(value, 2.1), 0.0, 1.0) * 100
+	else:
+		progress_bar.value = clamp(value, 0.0, 1.0) * 100
 
 
 func get_progress() -> float: