Снежинка типа
uses graphabc;
var a:array[1..5] of record x,y,x0,y0,g:real; end; i,c:integer;
begin
setwindowsize(800,600);
setpenwidth(2);
a[1].x:=400+150*cos(a[1].g/180*pi);
a[1].y:=300+150*sin(a[1].g/180*pi);
a[1].x0:=a[1].x;
a[1].y0:=a[1].y;
a[1].g:=a[1].g+1-(trunc(a[1].g) div 360)*360;
for i:=2 to 5 do begin
a[i].x:=a[i-1].x+150*power(0.65,i)*cos(a[i].g/180*pi);
a[i].y:=a[i-1].y+150*power(0.65,i)*sin(a[i].g/180*pi);
a[i].x0:=a[i].x;
a[i].y0:=a[i].y;
a[i].g:=a[i].g+power(10,i-1)-(trunc(a[i].g) div 360)*360;
end;
for c:=1 to 360 do
begin
a[1].x:=400+150*cos(a[1].g/180*pi);
a[1].y:=300+150*sin(a[1].g/180*pi);
line(round(a[1].x0),round(a[1].y0),round(a[1].x),round(a[1].y));
a[1].x0:=a[1].x;
a[1].y0:=a[1].y;
a[1].g:=a[1].g+1-(trunc(a[1].g) div 360)*360;
for i:=2 to 5 do begin
a[i].x:=a[i-1].x+150*power(0.65,i)*cos(a[i].g/180*pi);
a[i].y:=a[i-1].y+150*power(0.65,i)*sin(a[i].g/180*pi);
line(round(a[i].x0),round(a[i].y0),round(a[i].x),round(a[i].y));
a[i].x0:=a[i].x;
a[i].y0:=a[i].y;
a[i].g:=a[i].g+power(10,i-1)-(trunc(a[i].g) div 360)*360;
end;
end;
end.