totalPosition	Rectangle on the screen to use in total for both the control.
value	Value that is shown.

Make a progress bar.

Value goes from 0 to 1, where 0 means 0% of the bar filled and 1 means the bar is at 100% fully filled

Progress bar in an Editor Window.

	// Draw the damage and the armor with bars in an Editor Window
	
	class EditorGUIProgressBar extends EditorWindow {
	
		var armor : int = 20;
		var damage : int = 80;
	
		@MenuItem("Examples/Display Info")
		static function Init() {
			var window = GetWindow(EditorGUIProgressBar);
			window.Show();
		}
		
		function OnGUI() {
			armor = EditorGUI.IntSlider(Rect(3,3,position.width-6,15), "Armor:", armor, 0, 100);
			damage = EditorGUI.IntSlider(Rect(3,25,position.width-6,15), "Damage:", damage, 0, 100);
			
			EditorGUI.ProgressBar(Rect(3,45,position.width-6,20),armor/100.0, "Armor");
			EditorGUI.ProgressBar(Rect(3,70,position.width-6,20),damage/100.0, "Damage");
			
		}
	}