We will add a starting point (launch pad) and an end point (landing pad)
Add a new CSGBox3D as a child of Level
Set the size to 2 x 1 x 2
Add a New StandardMaterial3D
Place the LaunchPad on the far left of the floor
Place the Player Rocket on top of it
Duplicate the LaunchPad Node
The Add a New StandardMaterial3D
Place the LandingPad on the far right
Select the LandingPad node and open the Groups dock
Add a New Group and call it Goal
Make sure that the LandingPad Node is in the Goal group
This will allow us to detect when the player has reached the goal.
On reaching the landing pad we will load the next level.
Store the file path to the next level in the landing pad.
Attach a New Script to the landing pad.
Add an export_file variable to the script
Specify the file extension as .tscn only