toxi.geom
Class Ray2D

java.lang.Object
  toxi.geom.Vec2D
      toxi.geom.Ray2D

All Implemented Interfaces:

java.lang.Comparable<ReadonlyVec2D>, ReadonlyVec2D

public class Ray2D
extends Vec2D

A simple 2D ray datatype

Nested Class Summary

Nested classes/interfaces inherited from class toxi.geom.Vec2D

Vec2D.Axis

Field Summary

Fields inherited from class toxi.geom.Vec2D

MAX_VALUE, MIN_VALUE, x, X_AXIS, y, Y_AXIS, ZERO

Constructor Summary

Ray2D()

Ray2D(float x, float y, ReadonlyVec2D d)

Ray2D(ReadonlyVec2D o, ReadonlyVec2D d)

Method Summary

Vec2D	getDirection() Returns a copy of the ray's direction vector.
float	getDistanceToPoint(Vec2D p) Calculates the distance between the given point and the infinite line coinciding with this ray.
Vec2D	getPointAtDistance(float dist)
Ray2D	setDirection(ReadonlyVec2D d) Uses a normalized copy of the given vector as the ray direction.
Line2D	toLine2DWithPointAtDistance(float dist) Converts the ray into a 2D Line segment with its start point coinciding with the ray origin and its other end point at the given distance along the ray.
java.lang.String	toString()

Methods inherited from class toxi.geom.Vec2D

abs, add, add, add, addSelf, addSelf, angleBetween, angleBetween, bisect, clear, compareTo, constrain, constrain, copy, cross, distanceTo, distanceToSquared, dot, equals, equalsWithTolerance, floor, frac, fromTheta, getAbs, getComponent, getComponent, getConstrained, getFloored, getFrac, getInverted, getLimited, getNormalized, getNormalizedTo, getPerpendicular, getReciprocal, getReflected, getRotated, getSignum, hashCode, heading, interpolateTo, interpolateTo, interpolateTo, interpolateTo, interpolateToSelf, interpolateToSelf, invert, isInCircle, isInRectangle, isInTriangle, isMajorAxis, isZeroVector, jitter, jitter, jitter, jitter, jitter, jitter, limit, magnitude, magSquared, max, max, maxSelf, min, min, minSelf, normalize, normalizeTo, perpendicular, randomVector, randomVector, reciprocal, reflect, rotate, roundToAxis, scale, scale, scale, scale, scaleSelf, scaleSelf, scaleSelf, set, set, set, setComponent, setComponent, signum, sub, sub, sub, subSelf, subSelf, tangentNormalOfEllipse, to3DXY, to3DXZ, to3DYZ, toArray, toCartesian, toPolar, x, y

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Ray2D

public Ray2D()

Ray2D

public Ray2D(float x,
             float y,
             ReadonlyVec2D d)

Ray2D

public Ray2D(ReadonlyVec2D o,
             ReadonlyVec2D d)

Method Detail

getDirection

public Vec2D getDirection()

Returns a copy of the ray's direction vector.

Returns:

vector

getDistanceToPoint

public float getDistanceToPoint(Vec2D p)

Calculates the distance between the given point and the infinite line coinciding with this ray.

Parameters:

p -

Returns:

distance

getPointAtDistance

public Vec2D getPointAtDistance(float dist)

setDirection

public Ray2D setDirection(ReadonlyVec2D d)

Uses a normalized copy of the given vector as the ray direction.

Parameters:

d - new direction

Returns:

itself

toLine2DWithPointAtDistance

public Line2D toLine2DWithPointAtDistance(float dist)

Converts the ray into a 2D Line segment with its start point coinciding with the ray origin and its other end point at the given distance along the ray.

Parameters:

dist - end point distance

Returns:

line segment

toString

public java.lang.String toString()

Overrides:

toString in class Vec2D