Class GeometryHelpers

java.lang.Object
  GeometryHelpers

public class GeometryHelpers
extends java.lang.Object

Grab bag of helper functions for geometric computation

Since:

1.0

Nested Class Summary

static class

GeometryHelpers.Circle

Constructor Summary

GeometryHelpers()

Method Summary

static double	rayToCircle(double[] arrLfRayDir, double[] arrLfRayOrg, double[] arrLfCircCen, double lfCircRadSqrd)
static void	testCircleCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometryHelpers

public GeometryHelpers()

Method Detail

testCircleCode

public static void testCircleCode()

rayToCircle

public static double rayToCircle(double[] arrLfRayDir,
                                 double[] arrLfRayOrg,
                                 double[] arrLfCircCen,
                                 double lfCircRadSqrd)

Parameters:

arrLfRayDir - direction of ray (not necc. unit length)

arrLfRayOrg - position of ray origin

arrLfCircCen - position of circle center

lfCircRadSqrd - rad^2 of circle

Returns:

distance along ray until it first hits circle.