そしてこちらは、現在地点

wid_x=720:hei_y=480
wid_hx=wid_x/2:hei_hy=hei_y/2
screen 0,wid_x,hei_y,0
color 255,255,255:boxf
color 0,0,0
s=90:t=126
vague=100
a=1:v=1
*mainloop
pi=deg2rad(s)
pie=deg2rad(t)
repeat vague+260,-260
circle cos(pi)*vague+cos(pie)*cnt+wid_hx-5,sin(pi)*vague+sin(pie)*cnt+hei_hy-5,cos(pi)*vague+cos(pie)*cnt+wid_hx+5,sin(pi)*vague+sin(pie)*cnt+hei_hy+5,1
await v
loop
a+=1:s+=72.0:t+=72.0
if a<6 :goto *mainloop
a=0:s=0.0:t=180.0:vague=200
pi=deg2rad(s)
pie=deg2rad(t)
repeat vague,0
circle cos(pi)*vague+cos(pie)*cnt+wid_hx-5,sin(pi)*vague+sin(pie)*cnt+hei_hy-5,cos(pi)*vague+cos(pie)*cnt+wid_hx+5,sin(pi)*vague+sin(pie)*cnt+hei_hy+5
await v
loop
a+=1:s+=72.0:t+=72.0
if a<6 :goto *mainloop
stop
説明は追記で