setSize sets the size of the turtle

setSize changes the size of the turtle.

setSize 5

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Note: setSize only works in Doggie And Me games

It won't work in regular Pencil Code programs

Pencil Code has a similar function called grow, but grow is relative, and setSize is absolute:

setSize 5 means "change your size to be 5 times the standard turtle size"

grow 5 means "change your size to be 5 times your current size"

Notice the difference between doing grow twice:

grow 5 
grow 5

and doing setSize twice:

setSize 5 
setSize 5