Learn creative coding writing simple programs

31. Function parameters and return values

This episode is a bit more serious and less visual, but it will be important to know how to create your own functions.
We create a simple function that does not take any parameters, and another that takes two numeric parameters and adds them together. We also create a function that returns a value.
Knowing this we will be able to simplify the program we created in the previous episode with four rotating rectangles.

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