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 } }