// tells how far apart two GameObjects are
public double distanceTo(GameObject other)
{
GameObject g1 = this;
GameObject g2 = other;
GameShape s1 = g1.getShape();
GameShape s2 = g2.getShape();
double[] offset = new double[2];
offset[0] = g2.getCenter()[0] - g1.getCenter()[0];
offset[1] = g2.getCenter()[1] - g1.getCenter()[1];
return(s1.distanceTo(s2, offset));
}
