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(defun dtr(a) (setq x (* pi (/ a 180.0))))<br /><br /> (defun c:con()<br /><br /> (command "_undo" "_BE")<br /><br /> (setq vod (getreal "n ¿Ü°æ Ä¡¼ö: "))<br /><br /> (setq vid (getreal "n ³»°æ Ä¡¼ö: "))<br /><br /> (setq vhd (getreal "n ³ôÀÌ Ä¡¼ö: "))<br /><br /> (setvar "snapmode" 1)<br /><br /> (setq pt (getpoint "nBase point : "))<br /><br /> (setvar "snapmode" 0)<br /><br /> (setvar "orthomode" 1)<br /><br /> (setq ang (getangle pt "nRotation Angle : "))<br /><br /> (setq p1 (polar pt (+ ang (dtr 0)) (/ vod 2.0))<br /><br /> p2 (polar p1 (+ ang (dtr 0)) (/ vod 2.0))<br /><br /> p3 (polar p1 (+ ang (dtr 90)) vhd)<br /><br /> p4 (polar p3 (+ ang (dtr 180)) (/ vid 2.0))<br /><br /> p5 (polar p3 (+ ang (dtr 0)) (/ vid 2.0))<br /><br /> c1 (/ (* vid vhd) (- vod vid))<br /><br /> p6 (polar p3 (+ ang (dtr 90)) c1)<br /><br /> c2 (distance pt p6)<br /><br /> c3 (distance pt p4)<br /><br /> c4 (- c2 c3)<br /><br /> ang1 (/ 360 (/ (* c2 2.0) vod))<br /><br /> ang2 (/ ang1 2.0)<br /><br /> ang3 (- 270.0 ang2)<br /><br /> ang4 (+ ang2 270.0)<br /><br /> p7 (polar pt (+ ang (dtr 90)) c2)<br /><br /> p8 (polar pt (+ ang (dtr 90)) c3)<br /><br /> p9 (polar p7 (+ ang (dtr ang3)) c2)<br /><br /> p10 (polar p7 (+ ang (dtr ang4)) c2)<br /><br /> p11 (polar p7 (+ ang (dtr ang3)) c4)<br /><br /> p12 (polar p7 (+ ang (dtr ang4)) c4)<br /><br /> p21 (polar pt (+ ang (dtr 215)) c4)<br /><br /> p22 (polar pt (+ ang (dtr 45)) c4)<br /><br /> )<br /><br /> (command "zoom" "w" p21 p22)<br /><br /> (command "line" p9 p11 "")<br /><br /> (command "arc" p9 "_e" p10 "_r" p7)<br /><br /> (command "arc" p11 "_e" p12 "_r" p7)<br /><br /> (command "line" p10 p12 "")<br /><br /> (redraw)<br /><br /> (princ)<br /><br /> )<br /><br /> <br />