This is some optional code you can add...if you want.
Double Jump
This code adds to the bottom of the jump custom block. It allows you to jump a second time while in the air. You have to make a double jump variable first.
Add this code to the bottom of your custom jump block.
Wall Jump/Climb
This code adds to the bottom of the jump custom block. It allows you to climb up walls.
Smaller Jumps
This code adds to the bottom of the jump custom block. It allows you do smaller jumps if you let go of the jump key early.