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11 regels
1.0 KiB

  1. (import "oo.slime")
  2. (define-class (vector3 x y z) (define (get-x) x) (define (get-y) y) (define (get-z) z) (define (set-x new-x) (mutate x new-x)) (define (set-y new-y) (mutate y new-y)) (define (set-z new-z) (mutate z new-z)) (define (length) (** (+ (* x x) (* y y) (* z z)) 0.500000)) (define (scale fac) (mutate x (* fac x)) (mutate y (* fac y)) (mutate z (* fac z)) fac) (define (add other) (make-vector3 (+ x (other 'get-x)) (+ y (other 'get-y)) (+ z (other 'get-z)))) (define (subtract other) (make-vector3 (- x (other 'get-x)) (- y (other 'get-y)) (- z (other 'get-z)))) (define (scalar-product other) (+ (* x (other 'get-x)) (* y (other 'get-y)) (* z (other 'get-z)))) (define (cross-product other) (make-vector3 (- (* y (other 'get-z)) (* z (other 'get-y))) (- (* z (other 'get-x)) (* x (other 'get-z))) (- (* x (other 'get-y)) (* y (other 'get-x))))) (define (print) (printf :sep " " "[vector3] (" x y z ")")))
  3. (define v1 (make-vector3 1 2 3))
  4. (define v2 (make-vector3 3 2 1))
  5. (assert (= (type v1) (type v2) :vector3))