/**
* Returns a polygon framing the specified scene footprint.
*
* @param x the x tile coordinate of the "upper-left" of the footprint.
* @param y the y tile coordinate of the "upper-left" of the footprint.
* @param width the width in tiles of the footprint.
* @param height the height in tiles of the footprint.
*/
public static Polygon getFootprintPolygon(
MisoSceneMetrics metrics, int x, int y, int width, int height) {
SmartPolygon footprint = new SmartPolygon();
Point tpos = MisoUtil.tileToScreen(metrics, x, y, new Point());
// start with top-center point
int rx = tpos.x + metrics.tilehwid, ry = tpos.y;
footprint.addPoint(rx, ry);
// right point
rx += width * metrics.tilehwid;
ry += width * metrics.tilehhei;
footprint.addPoint(rx, ry);
// bottom-center point
rx -= height * metrics.tilehwid;
ry += height * metrics.tilehhei;
footprint.addPoint(rx, ry);
// left point
rx -= width * metrics.tilehwid;
ry -= width * metrics.tilehhei;
footprint.addPoint(rx, ry);
// end with top-center point
rx += height * metrics.tilehwid;
ry -= height * metrics.tilehhei;
footprint.addPoint(rx, ry);
return footprint;
}
