Swapping lasers (help me plz)

Help Requests
1

i want to press 2 and it will change the laser to a bouncing laser and if i press 1 back to a normal laser.

2

Help plz

3

Use a toggle switch

4

here is an example: https://flowlab.io/game/view/1443123

use the 1 and 2 keys to swap

5

and space to shoot r to reset

6

Do the same thing with lasers and put don’t expire objects on the emit block off.