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#lang racket
(require "../../shared/pict.rkt")
(define (make-frame origin edge1 edge2)
(list origin edge1 edge2))
(define (origin-frame frame)
(car frame))
(define (edge1-frame frame)
(cadr frame))
(define (edge2-frame frame)
(caddr frame))
(define test-frame (make-frame
(make-vect 1 2)
(make-vect 2 4)
(make-vect 3 6)))
((lambda ()
(newline)
(display test-frame)
(newline)
(display (origin-frame test-frame))
(display (edge1-frame test-frame))
(display (edge2-frame test-frame))))
(define (make-frame2 origin edge1 edge2)
(cons origin (cons edge1 edge2)))
(define (origin-frame2 frame)
(car frame))
(define (edge1-frame2 frame)
(cadr frame))
(define (edge2-frame2 frame)
(cddr frame))
(define test-frame2 (make-frame2
(make-vect 1 2)
(make-vect 2 4)
(make-vect 3 6)))
((lambda ()
(newline)
(display test-frame2)
(newline)
(display (origin-frame2 test-frame2))
(display (edge1-frame2 test-frame2))
(display (edge2-frame2 test-frame2))))
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