Движение троллейбуса

program P5;
uses GraphABC;
begin
setbrushcolor(clskyblue);
roundrect(150,100,500,250,50,100);
setbrushcolor(clyellow);
circle(420,250,40);
circle(420,250,20);
circle(220,250,40);
circle(220,250,20);
setbrushcolor(clGray);
arc(330,100,35,0,180);
rectangle(510,220,480,200);
line(340,100,80,25);
rectangle(460,120,400,190);
rectangle(350,120,290,190);
rectangle(240,120,180,190);
line(0,290,3000,290);
 
end.

uses GraphABC;
var x,y:integer;
begin
setwindowsize(1000,300);
centerwindow;
x:=350;
y:=100;
lockdrawing;
repeat
clearwindow;
setbrushcolor(clskyblue);
roundrect(x-350,y,x,y+150,50,100);
setbrushcolor(clyellow);
circle(x-80,y+150,40);
circle(x-80,y+150,20);
circle(x-280,y+150,40);
circle(x-280,y+150,20);
setbrushcolor(clGray);
arc(x-170,100,35,0,180);
rectangle(x+10,220,x-20,200);
line(x-160,100,x-420,25);
rectangle(x-40,120,x-100,190);
rectangle(x-150,120,x-210,190);
rectangle(x-260,120,x-320,190);
line(0,290,windowwidth,290);
sleep(50);
x:=x+5;
redraw;
until x>=windowwidth;
end.