Returns distance between two sets of coords : Geometry « 2D Graphics GUI « Java

Returns distance between two sets of coords

public class Util{
   * Returns distance between two 2D points
   * @param point1
   *            first point
   * @param point2
   *            second point
   * @return distance between points
  public static double getDistance(Point point1, Point point2)
    return getDistance(point1.x, point1.y, point2.x, point2.y);

   * Returns distance between two sets of coords
   * @param x1
   *            first x coord
   * @param y1
   *            first y coord
   * @param x2
   *            second x coord
   * @param y2
   *            second y coord
   * @return distance between sets of coords
  public static double getDistance(float x1, float y1, float x2, float y2)
    // using long to avoid possible overflows when multiplying
    double dx = x2 - x1;
    double dy = y2 - y1;

    // return Math.hypot(x2 - x1, y2 - y1); // Extremely slow
    // return Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)); // 20 times faster than hypot
    return Math.sqrt(dx * dx + dy * dy); // 10 times faster then previous line



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