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这是我做的螺旋线的源程序:& z9 H' R" y) t# ]* k) `2 S
ENTITY/POT(1000),SPL,ENT(1000)
( L6 b% D4 s: e V% [, oNUMBER/START_ANG,END_ANG,BASE_R,LAP,DST,ANS8 |1 P. ~# W- E: N5 m, i
. Z5 f1 l2 e4 V2 R( D5 ^! RL10:
/ F# Q8 g: N* R% b& w5 l PARAM/'Please input archimedes paremeter',$
) ~3 i9 k9 f8 C 'BASE RADIUS',BASE_R,$
" h$ p& U* N& z 'START ANGLE',START_ANG,$
3 S2 |1 T' t- N. T- t( x, g 'PITCH OF WINDING',DST,$- h! M( P- _% F4 J' O* e# Q q
'WINDING AMOUNT',LAP,RESP1 V3 _. R1 i0 L+ }6 n% u# |& w$ Q
JUMP/L10:,TRM:,,RESP
! Y: l s, B. u; `9 e/ H. v
5 n0 ^1 v7 M' }( `6 u1 c DO/DOL99:,I,0,1.005,0.005
. c1 F* ]% A+ P HASPACE=START_ANG+BASE_R*360*I
. A0 w7 H8 D6 Z1 {6 F* U1 c PX=BASE_R*COSF(HASPACE)2 M% b1 f m5 F5 n: \* a6 P# L1 y
PY=BASE_R*SINF(HASPACE)
) c0 U6 F3 d6 }* e; ` PZ=DST*LAP*I
) q& J1 j$ M) H7 r1 W- m- k5 u4 c
3 `' n8 I" u1 @% O! a ANS=ANS+1+ n: q4 }; l5 H X9 _& m; G) x/ r
POT(ANS)=POINT/PX,PY,PZ
5 D& i: i6 L9 e7 ? DOL99:$ W& r& s$ F& d% Z8 f' h9 {
9 g) V1 w5 p* m) ~% e+ Z SPL=SPLINE/POT(1..ANS)6 A5 ]* g/ ~# M# U% E2 |5 a6 R
% q+ W6 b) e2 t; M! c
DRAW/SPL' X4 X: ?1 v" }; l; ^- d
+ s# i9 N+ A9 p DELETE/POT(1..ANS)
! E7 e% N5 z5 e( g! s
3 ?& Q# t' f$ }, rTRM:4 S+ L$ y' N' V" x" _3 J. b
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