(use gl glut 3viewer typed-records matchable)
(define red '#f32(1 0 0 1)) ;;
(define blue '#f32(0 0 1 1)) ;;
(define green '#f32(0 1 0 1)) ;;
(define yellow '#f32(1 1 0 1)) ;;
(define white '#f32(1 1 1 1)) ;;
(define orange '#f32(1 0.5 0 1)) ;;
(define black '#f32(0 0 0 1)) ;;
(define colors
`((1 . ,red ) ;; red
(2 . ,blue ) ;; blue
(3 . ,green ) ;; green
(4 . ,yellow ) ;; yellow
(5 . ,white ) ;; white
(6 . ,orange ) ;; orange
(7 . ,black ) ;; black
))
;; retrive color
(define (rc c)
(alist-ref c colors))
(defstruct cspec
(x 0)
(y 0)
(z 0)
(n (rc 1)) ;; north
(s (rc 1)) ;; south
(e (rc 1)) ;; east
(w (rc 1)) ;; west
(t (rc 1)) ;; top
(b (rc 1))) ;; bottom
(define a 0)
(define (spin id)
(set! a (modulo (+ a 1) 360)))
(define (colorize id col)
(gl:Materialfv
gl:FRONT_AND_BACK gl:AMBIENT_AND_DIFFUSE
(if (object-highlighted? id)
'#f32(1 1 0 1)
col)))
(define (make-cuber cspec)
(lambda (id)
(gl:Translatef (cspec-x cspec)(cspec-y cspec)(cspec-z cspec))
(draw-side id (cspec-w cspec)) ;; west side
(gl:Translatef 0 1 0)
(gl:Rotatef 90 1 0 0)
(draw-side id (cspec-e cspec)) ;; east side
(gl:Translatef 0 0 1)
(gl:Rotatef 90 0 1 0)
(draw-side id (cspec-n cspec)) ;; east side
(gl:Translatef 0 0 1)
(gl:Rotatef 90 0 1 0)
(draw-side id (cspec-s cspec)) ;; east side
(gl:Translatef 0 0 1)
(gl:Rotatef 90 0 1 0)
(draw-side id (cspec-t cspec)) ;; east side
(gl:Translatef 0 1 0)
(gl:Rotatef 90 1 0 0)
(draw-side id (cspec-b cspec)) ;; east side
))
(define (draw-side id color)
(colorize id color) ;; '#f32(1 0 0 1))
(gl:Begin gl:POLYGON)
(gl:Vertex2f 0 0)
(gl:Vertex2f 0 1)
(gl:Vertex2f 1 1)
(gl:Vertex2f 1 0)
(gl:End)
)
(define data
(map (lambda (inl)
(map string->number (string-split inl)))
(with-input-from-file "data.txt"
read-lines)))
(print "data: " data)
(use trace)
;; (add-object draw-cube animate: spin select: (lambda _ (print "oink!")))
;; (add-object draw-polygon animate: spin select: (lambda _ (print "oink!")))
(gl:Clear gl:COLOR_BUFFER_BIT)
(for-each
(lambda (dat)
;; (let ((c1 (make-cspec e: red w: blue n: green s: yellow t: white b: orange)))
(match dat
((x y z n s e w t b)
(let ((c1 (make-cspec x: x y: y z: z n: (rc n) s: (rc s) e: (rc e) w: (rc w) t: (rc t) b: (rc b))))
(pp (cspec->alist c1))
(add-object (make-cuber c1) select: (lambda _ (print "oink!")))))
(else (print "bad object " dat))))
data)
(gl:Flush)
(start-viewer)