protected void initShape(int shnum, ShapeFiles file) {
shapeFile = file == null ? ShapeFiles.GUMPS_VGA : file;
frameNum = 0;
shapeNum = shnum;
shape = shapeFile.getShape(shapeNum, frameNum);
}
public void setFrame(int f) {
frameNum = f;
shape = shapeFile.getShape(shapeNum, frameNum);
}