- draw_line(dr, ox, oy, ox+dx1, oy+dy1, col);
- draw_line(dr, ox+dx1, oy+dy1, ox+dx1+dx2, oy+dy1+dy2, col);
+ int coords[12];
+ int xdx = (dx1+dx2 ? 0 : 1), xdy = (dx1+dx2 ? 1 : 0);
+ coords[0] = ox + xdx;
+ coords[1] = oy + xdy;
+ coords[2] = ox + xdx + dx1;
+ coords[3] = oy + xdy + dy1;
+ coords[4] = ox + xdx + dx1 + dx2;
+ coords[5] = oy + xdy + dy1 + dy2;
+ coords[6] = ox - xdx + dx1 + dx2;
+ coords[7] = oy - xdy + dy1 + dy2;
+ coords[8] = ox - xdx + dx1;
+ coords[9] = oy - xdy + dy1;
+ coords[10] = ox - xdx;
+ coords[11] = oy - xdy;
+ draw_polygon(dr, coords, 6, col, col);