相贯线程序,求版主优化一下
本帖最后由 yangist 于 2013-7-1 18:49 编辑参考程序在这里,动画在下面噢~
(defun c:xg (/ x y b r1 r2 ptp1 p2 os CMD)
(setq os (getvar "osmode"))
(setvar "osmode" 0)
(SETQ CMD (GETVAR "cmdecho"))
(setq r1 (/(getdist "\n输入较粗直径：")2))
(setq r2 (/(getdist "\n输入较细直径：")2))
(setq b 0)
(setq pt (getpoint"\n指定基点："))
(SETVAR "cmdecho" 0)
(setq xq (car pt))
(setq yq (cadr pt))
(while (< b pi)
(setq x (sqrt (- (* r1 r1) (* (* r2 (sin b)) (* r2 (sin b))))))
(setq y (* r2 (cos b)))
(setq p1 (list (- x (- r1 xq)) (- y (- r2 yq))))
(setq b (+ b (/ pi 182)))
(setq x (sqrt (- (* r1 r1) (* (* r2 (sin b)) (* r2 (sin b))))))
(setq y (* r2 (cos b)))
(setq p2 (list (- x (- r1 xq)) (- y (- r2 yq))))
(command "line" p1 p2"")
)
(setvar "osmode" os)
(SETVAR "cmdecho" CMD)
(princ)
)
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