com.bonzaiengine.visibility

Class Frustum

java.lang.Object

com.bonzaiengine.visibility.Frustum

public class Frustum
extends java.lang.Object

Extract furstum planes from ModelView and Projection matrices.
Frustum is usefull for Frustum Culling visibility algorithm.

Field Summary

Fields

Modifier and Type	Field and Description
static int	BOTTOM_PLANE
static int	FAR_PLANE
static int	LEFT_PLANE
static int	NEAR_PLANE
protected static int	NUM_PLANES
static int	RIGHT_PLANE
static int	TOP_PLANE

Constructor Summary

Constructors

Constructor and Description
Frustum()

Method Summary

Modifier and Type	Method and Description
Plane	getPlane(int id)
void	getProjexction(Mat4x4 dst)
void	getView(Mat4x4 dst)
void	set(Frustum src)
void	update(Mat4x4 proj, Mat4x4 view) Update frustum planes.
void	update(View view) Update frustum planes.

Methods inherited from class java.lang.Object

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

Field Detail

NUM_PLANES

protected static final int NUM_PLANES

See Also:

Constant Field Values

RIGHT_PLANE

public static final int RIGHT_PLANE

See Also:

Constant Field Values

LEFT_PLANE

public static final int LEFT_PLANE

See Also:

Constant Field Values

BOTTOM_PLANE

public static final int BOTTOM_PLANE

See Also:

Constant Field Values

TOP_PLANE

public static final int TOP_PLANE

See Also:

Constant Field Values

FAR_PLANE

public static final int FAR_PLANE

See Also:

Constant Field Values

NEAR_PLANE

public static final int NEAR_PLANE

See Also:

Constant Field Values

Constructor Detail

Frustum

public Frustum()

Method Detail

set

public final void set(Frustum src)

update

public final void update(View view)

Update frustum planes.

See Also:

update(Mat4x4, Mat4x4)

update

public final void update(Mat4x4 proj,
                         Mat4x4 view)

Update frustum planes.

Parameters:

proj - OpenGL projection matrix

view - OpenGL modelview matrix

getPlane

public final Plane getPlane(int id)

getProjexction

public final void getProjexction(Mat4x4 dst)

getView

public final void getView(Mat4x4 dst)