Class VMath

java.lang.Object
  |
  +--VMath

public class VMath

extends java.lang.Object

Constructor Summary

VMath()

Method Summary

static double	angle(int ax, int ay, int bx, int by)
static double	angle(int ax, int ay, int bx, int by, int cx, int cy)
static double	crossProductMag(int ax, int ay, int bx, int by)
static double	crossProductMagPolyline(int ax, int ay, int bx, int by, int cx, int cy)
static double	distance(double x, double y, double ax, double ay)
static double	distFromLine(int x, int y, int ax, int ay, int bx, int by, boolean segment) returns Double.POSITIVE_INFINITY if closest point to line is not contained in line segment
static boolean	inRange(double x, double y, double ax, double ay, double range)
static double	length(double x, double y)
static int[]	normal(int x, int y)
static double	square(double x)
static void	unitNormal(int x, int y, double[] res)
static void	unitVector(int x, int y, double[] res)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VMath

public VMath()

Method Detail

square

public static double square(double x)

length

public static double length(double x,
                            double y)

inRange

public static boolean inRange(double x,
                              double y,
                              double ax,
                              double ay,
                              double range)

distance

public static double distance(double x,
                              double y,
                              double ax,
                              double ay)

normal

public static int[] normal(int x,
                           int y)

unitNormal

public static void unitNormal(int x,
                              int y,
                              double[] res)

unitVector

public static void unitVector(int x,
                              int y,
                              double[] res)

crossProductMag

public static double crossProductMag(int ax,
                                     int ay,
                                     int bx,
                                     int by)

crossProductMagPolyline

public static double crossProductMagPolyline(int ax,
                                             int ay,
                                             int bx,
                                             int by,
                                             int cx,
                                             int cy)

angle

public static double angle(int ax,
                           int ay,
                           int bx,
                           int by,
                           int cx,
                           int cy)

angle

public static double angle(int ax,
                           int ay,
                           int bx,
                           int by)

distFromLine

public static double distFromLine(int x,
                                  int y,
                                  int ax,
                                  int ay,
                                  int bx,
                                  int by,
                                  boolean segment)

returns Double.POSITIVE_INFINITY if closest point to line is not contained in line segment