Package org.joml

Class Planef

java.lang.Object

org.joml.Planef

All Implemented Interfaces:

Externalizable, Serializable

public class Planef
extends Object
implements Externalizable

Represents a 3D plane using single-precision floating-point numbers.

Author:

Kai Burjack

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
float	a	The factor a in the plane equation a*x + b*y + c*z + d = 0.
float	b	The factor b in the plane equation a*x + b*y + c*z + d = 0.
float	c	The factor c in the plane equation a*x + b*y + c*z + d = 0.
float	d	The constant d in the plane equation a*x + b*y + c*z + d = 0.

Constructor Summary

Constructors

Constructor	Description
Planef()	Create a new undefined Planef.
Planef(float a, float b, float c, float d)	Create a new Planef with the plane equation a*x + b*y + c*z + d = 0.
Planef(Planef source)	Create a new Planef as a copy of the given source.
Planef(Vector3fc point, Vector3fc normal)	Create a new Planef from the given point lying on the plane and the given normal.
Planef(Vector3fc pointA, Vector3fc pointB, Vector3fc pointC)	Create a new Planef from the given three points lying on the plane.

Method Summary

Modifier and Type	Method	Description
float	distance(float x, float y, float z)	Compute the signed distance between this plane and the given point.
boolean	equals(Object obj)
static Vector4f	equationFromPoints(float v0X, float v0Y, float v0Z, float v1X, float v1Y, float v1Z, float v2X, float v2Y, float v2Z, Vector4f dest)	Compute the factors a, b, c and d in the plane equation a*x + b*y + c*z + d = 0 from the three points (v0X, v0Y, v0Z), (v1X, v1Y, v1Z) and (v2X, v2Y, v2Z) on the plane, and write the values to the x, y, z and w components, respectively, of the given dest vector.
static Vector4f	equationFromPoints(Vector3f v0, Vector3f v1, Vector3f v2, Vector4f dest)	Compute the factors a, b, c and d in the plane equation a*x + b*y + c*z + d = 0 from the given three points on the plane, and write the values to the x, y, z and w components, respectively, of the given dest vector.
int	hashCode()
Planef	normalize()	Normalize this plane.
Planef	normalize(Planef dest)	Normalize this plane and store the result in dest.
void	readExternal(ObjectInput in)
Planef	set(float a, float b, float c, float d)	Set the components of this plane.
String	toString()	Return a string representation of this plane.
String	toString(NumberFormat formatter)	Return a string representation of this plane by formatting the components with the given NumberFormat.
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

a

public float a

The factor a in the plane equation a*x + b*y + c*z + d = 0.

b

public float b

The factor b in the plane equation a*x + b*y + c*z + d = 0.

c

public float c

The factor c in the plane equation a*x + b*y + c*z + d = 0.

d

public float d

The constant d in the plane equation a*x + b*y + c*z + d = 0.

Constructor Detail

Planef

public Planef()

Create a new undefined Planef.

Planef

public Planef(Planef source)

Create a new Planef as a copy of the given source.

Parameters:

source - the Planef to copy from

Planef

public Planef(Vector3fc point,
              Vector3fc normal)

Create a new Planef from the given point lying on the plane and the given normal.

Parameters:

point - any point lying on the plane

normal - the normal of the plane

Planef

public Planef(Vector3fc pointA,
              Vector3fc pointB,
              Vector3fc pointC)

Create a new Planef from the given three points lying on the plane.

The resulting plane is not necessarily normalized.

Parameters:

pointA - the first point

pointB - the second point

pointC - the third point

Planef

public Planef(float a,
              float b,
              float c,
              float d)

Create a new Planef with the plane equation a*x + b*y + c*z + d = 0.

Parameters:

a - the x factor in the plane equation

b - the y factor in the plane equation

c - the z factor in the plane equation

d - the constant in the plane equation

Method Detail

set

public Planef set(float a,
                  float b,
                  float c,
                  float d)

Set the components of this plane.

Parameters:

a - the x factor in the plane equation

b - the y factor in the plane equation

c - the z factor in the plane equation

d - the constant in the plane equation

Returns:

this

normalize

public Planef normalize()

Normalize this plane.

Returns:

this

normalize

public Planef normalize(Planef dest)

Normalize this plane and store the result in dest.

Parameters:

dest - will hold the result

Returns:

dest

distance

public float distance(float x,
                      float y,
                      float z)

Compute the signed distance between this plane and the given point.

Parameters:

x - the x coordinate of the point

y - the y coordinate of the point

z - the z coordinate of the point

Returns:

the signed distance between this plane and the point

equationFromPoints

public static Vector4f equationFromPoints(Vector3f v0,
                                          Vector3f v1,
                                          Vector3f v2,
                                          Vector4f dest)

Compute the factors a, b, c and d in the plane equation a*x + b*y + c*z + d = 0 from the given three points on the plane, and write the values to the x, y, z and w components, respectively, of the given dest vector.

Parameters:

v0 - the first point on the plane

v1 - the second point on the plane

v2 - the third point on the plane

dest - will hold the result

Returns:

dest

equationFromPoints

public static Vector4f equationFromPoints(float v0X,
                                          float v0Y,
                                          float v0Z,
                                          float v1X,
                                          float v1Y,
                                          float v1Z,
                                          float v2X,
                                          float v2Y,
                                          float v2Z,
                                          Vector4f dest)

Compute the factors a, b, c and d in the plane equation a*x + b*y + c*z + d = 0 from the three points (v0X, v0Y, v0Z), (v1X, v1Y, v1Z) and (v2X, v2Y, v2Z) on the plane, and write the values to the x, y, z and w components, respectively, of the given dest vector.

Parameters:

v0X - the x coordinate of the first point on the plane

v0Y - the y coordinate of the first point on the plane

v0Z - the z coordinate of the first point on the plane

v1X - the x coordinate of the second point on the plane

v1Y - the y coordinate of the second point on the plane

v1Z - the z coordinate of the second point on the plane

v2X - the x coordinate of the third point on the plane

v2Y - the y coordinate of the third point on the plane

v2Z - the z coordinate of the third point on the plane

dest - will hold the result

Returns:

dest

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Return a string representation of this plane.

This method creates a new DecimalFormat on every invocation with the format string "0.000E0;-".

Overrides:

toString in class Object

Returns:

the string representation

toString

public String toString(NumberFormat formatter)

Return a string representation of this plane by formatting the components with the given NumberFormat.

Parameters:

formatter - the NumberFormat used to format the components with

Returns:

the string representation

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException