Referenced from lesson The Distance Formula
Directions: Use the Design Recipe to write a function
distance, which takes in FOUR inputs:
py (the x- and y-coordinate of the Player) and
cy (the x- and y-coordinates of another character), and produces the distance between them in pixels.
Contract and Purpose Statement
Every contract has three parts…
Write some examples, then circle and label what changes…
(EXAMPLE (________ ________) ________________________________________)
(EXAMPLE (________ ___________) ___________________________________________)
Write the definition, giving variable names to all your input values…
(define (________ ____________)
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