Draw Animated Ship

var
  Form1: TForm1;
  x,y: integer;
  
//

procedure Parohod(x,y: integer; mode: boolean);
const
  dx = 5;
  dy = 5;
var
  p1: array[1..7]of TPoint;
  p2: array[1..8]of TPoint;
  pc,bc: TColor;
begin
  if not mode then
  begin
    Form1.Canvas.Brush.Color := clNavy;
    Form1.Canvas.Pen.Color := clNavy;
    Form1.Canvas.Rectangle(x,y+1,x+17*dx,y-10*dy);
    Form1.Canvas.Brush.Color := clNavy;
    if y-10*dy < 80 then
    begin
        Form1.Canvas.Pen.Color := clSkyBlue;
        Form1.Canvas.Brush.Color := clSkyBlue;
        Form1.Canvas.Rectangle(x,y-10*dy,x+17*dx,80);
    end;
    exit;
  end;
  with Form1.Canvas do
  begin
    pc :=Pen.Color;
    bc := Brush.Color; 
    Pen.Color:=clBlack;    
    Brush.Color := clWhite;

    p1[1].X := x;      p1[1].y := y;
    p1[2].X :=  x;     p1[2].Y := y-2*dy;
    p1[3].X :=x+10*dx; p1[3].Y := y-2*dy;
    p1[4].X :=x+11*dx; p1[4].Y := y-3*dy;
    p1[5].X :=x+17*dx; p1[5].Y :=y-3*dy;
    p1[6].X :=x+14*dx; p1[6].Y :=y;
    p1[7].X :=x;       p1[7].Y :=y;

    Polygon(p1);
    p2[1].X := x+3*dx;  p2[1].Y := y-2*dy;
    p2[2].X := x+4*dx;  p2[2].Y := y-3*dy;
    p2[3].X := x+4*dx;  p2[3].Y := y-4*dy;
    p2[4].X := x+13*dx; p2[4].Y := y-4*dy;
    p2[5].X := x+13*dx; p2[5].Y := y-3*dy;
    p2[6].X := x+11*dx; p2[6].Y := y-3*dy;
    p2[7].X := x+10*dx; p2[7].Y := y-2*dy;
    p2[8].X := x+3*dx;  p2[8].Y := y-2*dy;

    Polygon(p2);
    MoveTo(x+5*dx,y-3*dy);
    LineTo(x+9*dx,y-3*dy);
    Rectangle(x+8*dx,y-4*dy,x+11*dx,y-5*dy);
    Rectangle(x+7*dx,y-4*dy,x+8*dx,y-7*dy);
    Ellipse(x+11*dx,y-2*dy,x+12*dx,y-1*dy);
    Ellipse(x+13*dx,y-2*dy,x+14*dx,y-1*dy);
    MoveTo(x+10*dx,y-5*dy);
    LineTo(x+10*dx,y-10*dy);
    Pen.Color := clWhite;
    MoveTo(x+17*dx,y-3*dy);
    LineTo(x+10*dx,y-10*dy);
    LineTo(x,y-2*dy);
    Pen.Color:=pc; 
  end;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
   Parohod(x,y, False); 
   if x < Form1.ClientWidth
      then x := x+2
      else begin 
        x := 0;
        y := Random(50) + 100;
      end;
   Parohod(x,y,True); 
end;

procedure TForm1.FormPaint(Sender: TObject);
begin
    Canvas.Brush.Color := clSkyBlue;
    Canvas.Pen.Color   := clSkyBlue;
    Canvas.Rectangle(0,0,ClientWidth,80);
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
 Form1.DoubleBuffered:=true;
    x:=0; y:=80;           
    Form1.Color:=clNavy;   
    Timer1.Interval := 50; 
end;