Package javaforce.gl

Class Frustum

java.lang.Object

javaforce.gl.Frustum

public class Frustum
extends Object

Represents the frustum (viewable area of a perspective)

Author:

pquiring

Field Summary

Fields

Modifier and Type	Field	Description
static final int	INSIDE
static final int	INTERSECT
static final int	OUTSIDE

Constructor Summary

Constructors

Constructor	Description
Frustum()

Method Summary

Modifier and Type	Method	Description
int	boxInside(Vector3[] pts)	Tests if box is within frustum.
int	pointInside(Vector3 p)
void	print()
void	setPerspecive(float angle, float ratio, float near, float far)
void	setPosition(Vector3 p, Vector3 l, Vector3 u)
int	sphereInside(Vector3 p, float size)	Tests if sphere is within frustum.

Methods inherited from class java.lang.Object

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

Field Details

OUTSIDE

public static final int OUTSIDE

See Also:

• Constant Field Values

INTERSECT

public static final int INTERSECT

See Also:

• Constant Field Values

INSIDE

public static final int INSIDE

See Also:

• Constant Field Values

Constructor Details

Frustum

public Frustum()

Method Details

setPerspecive

public void setPerspecive(float angle,
 float ratio,
 float near,
 float far)

setPosition

public void setPosition(Vector3 p,
 Vector3 l,
 Vector3 u)

pointInside

public int pointInside(Vector3 p)

sphereInside

public int sphereInside(Vector3 p,
 float size)

Tests if sphere is within frustum.

Parameters:

p - = center if sphere

size - = size of sphere (radius or diameter?)

boxInside

public int boxInside(Vector3[] pts)

Tests if box is within frustum.

Parameters:

pts - = 8 points of box

print

public void print()