Lots of polish things and wrapping up all three levels

project.godot

@@ -14,6 +14,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://scripts/base_level.gd"
 }, {
+"base": "KinematicBody2D",
+"class": "Car",
+"language": "GDScript",
+"path": "res://scripts/car.gd"
+}, {
 "base": "Node2D",
 "class": "GUI",
 "language": "GDScript",
@@ -36,6 +41,7 @@ _global_script_classes=[ {
 } ]
 _global_script_class_icons={
 "BaseLevel": "",
+"Car": "",
 "GUI": "",
 "Neighbor": "",
 "Player": "",