k++;
L=100;
phi=Math.PI/50*k;
xb=Math.cos(phi)*30+xx+50;
z=xb-xx;
yb=yy-Math.sqrt(L*L-z*z);
Linestyle(2,0x11001D);
colors = [0x0066FF,0x0000FF];
alphas = [ 60, 100];
ratios = [ 0, 0xFF ];
matrix = { matrixType:"box", x:xb-30, y:yy-20, w:60, h:40, r:0}; 
beginGradientFill( "radial", colors, alphas, ratios, matrix );
//linear גלוסעמ radial
   moveto(xb,yy); 
   lineto(xx,yb); 
   moveto(xb+30,yy-20)
   lineto(xb-30,yy-20)
   lineto(xb-30,yy+20)
   lineto(xb+30,yy+20)
   lineto(xb+30,yy-20)
endfill();
xa=Math.cos(phi)*35+xx+50;
ss1._x=xx;
ss1._y=yb;
ss2._x=xb;
ss2._y=yy;
Linestyle(2,0xDD10111F);
Beginfill(0xDD11FFF);
   moveTo(xx,yb);
   LineTo(xx,yb-60);
   LineTo(xx-20,yb-60);
   LineTo(xx-20,yb);
   LineTo(xx,yb);
Endfill();
Linestyle(3,0x0000FF);
moveTo(217,ya+23);
lineTo(xx+200,ya+23);
moveTo(xx+4,250);
lineTo(xx+4,100);
moveTo(217,ya+23);
LineTo(217,100);
s10._y=yb/2+70;
alf0=Math.Pi/50*k;
s10._rotation=Math.cos(alf0)*25;
kub._x=xa;
kub._y=ya;