private static boolean boundingBox(
PointElement a, PointElement b, PointElement c, PointElement d) {
return (a.getX() == c.getX()
&& a.getY() == c.getY()
&& b.getX() == d.getX()
&& b.getY() == d.getY());
}
private static int turn(PointElement a, PointElement b, PointElement c) {
double res =
(b.getX() - a.getX()) * (c.getY() - a.getY())
- (b.getY() - a.getY()) * (c.getX() - a.getX());
double check = 0.1;
if (res > check) {
return 1;
}
if (res < -check) {
return -1;
}
return 0;
}
public static float length(PointElement a, PointElement b) {
float sqrX = (a.getX() - b.getX()) * (a.getX() - b.getX());
float sqrY = (a.getY() - b.getY()) * (a.getY() - b.getY());
return (float) Math.sqrt(sqrX + sqrY);
}
