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c=180
p=1
¦Èf=120
Rr=22
r=72
¦È=¦Èf*G
G=1/8*t       
¦Õ0=22.5
¦Õi=45/(pi+4)*(pi*G-sin(4*180*G)/4)
¦Õ=¦Õ0+p*¦Õi
n=3/8*pi/(pi+4)*(1-cos(4*180*G))
¦×=atan(p*r/(c-r*cos(¦Õ))*n)+180
x2=r
y2=Rr*cos(¦×)
z2=Rr*sin(¦×)
x1=x2*cos(¦Õ)*cos(¦È)-p*y2*sin(¦Õ)*cos(¦È)-z2*sin(¦È)-c*cos(¦È)
y1=-x2*cos(¦Õ)*sin(¦È)+p*y2*sin(¦Õ)*sin(¦È)-z2*cos(¦È)+c*sin(¦È)
z1=p*x2*sin(¦Õ)+y2*cos(¦Õ)
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