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GRIP选面移动坐标到面上的源代码

entity/n,p(4),cs,l
number/pi(3),nopt(3),di,dd
sy1:
MASK/71
IDENT/'请选择面',n,RSP
JUMP/sy1:,TRM:,,RSP
draw/off
pi=SPOSF(n,0.5,0.5)
P(1)=POINT/pi
pi=SPOSF(n,0.7,0.5)
P(2)=POINT/pi
pi=SPOSF(n,0.5,0.7)
P(3)=POINT/pi
pi=SPOSF(n,0.3,0.5)
P(4)=POINT/pidelete/l,p(1),p(2),p(3),p(4)
&wcs=cs
trm:
halt