Package gaia.cu9.ari.gaiaorbit.util.math

Class Frustumd

java.lang.Object

gaia.cu9.ari.gaiaorbit.util.math.Frustumd

public class Frustumd
extends java.lang.Object

A truncated rectangular pyramid. Used to define the viewable region and its projection onto the screen.

See Also:

Camera.frustum

Field Summary

Fields

Modifier and Type	Field	Description
protected static Vector3d[]	clipSpacePlanePoints
protected static double[]	clipSpacePlanePointsArray
Vector3d[]	planePoints	eight points making up the near and far clipping "rectangles".
protected double[]	planePointsArray
Planed[]	planes	the six clipping planes, near, far, left, right, top, bottom

Constructor Summary

Constructors

Constructor	Description
Frustumd()

Method Summary

Modifier and Type	Method	Description
boolean	boundsInFrustum(double x, double y, double z, double halfWidth, double halfHeight, double halfDepth)	Returns whether the given bounding box is in the frustum.
boolean	boundsInFrustum(BoundingBoxd bounds)	Returns whether the given BoundingBoxd is in the frustum.
boolean	boundsInFrustum(Vector3d center, Vector3d dimensions)	Returns whether the given bounding box is in the frustum.
boolean	pointInFrustum(float x, float y, float z)	Returns whether the point is in the frustum.
boolean	pointInFrustum(Vector3d point)	Returns whether the point is in the frustum.
boolean	sphereInFrustum(float x, float y, float z, float radius)	Returns whether the given sphere is in the frustum.
boolean	sphereInFrustum(Vector3d center, float radius)	Returns whether the given sphere is in the frustum.
boolean	sphereInFrustumWithoutNearFar(float x, float y, float z, float radius)	Returns whether the given sphere is in the frustum not checking whether it is behind the near and far clipping plane.
boolean	sphereInFrustumWithoutNearFar(Vector3d center, float radius)	Returns whether the given sphere is in the frustum not checking whether it is behind the near and far clipping plane.
void	update(Matrix4d inverseProjectionView)	Updates the clipping plane's based on the given inverse combined projection and view matrix, e.g.

Methods inherited from class java.lang.Object

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

Field Detail

clipSpacePlanePoints

protected static final Vector3d[] clipSpacePlanePoints

clipSpacePlanePointsArray

protected static final double[] clipSpacePlanePointsArray

planes

public final Planed[] planes

the six clipping planes, near, far, left, right, top, bottom

planePoints

public final Vector3d[] planePoints

eight points making up the near and far clipping "rectangles". order is counter clockwise, starting at bottom left

planePointsArray

protected final double[] planePointsArray

Constructor Detail

Frustumd

public Frustumd()

Method Detail

update

public void update(Matrix4d inverseProjectionView)

Updates the clipping plane's based on the given inverse combined projection and view matrix, e.g. from an OrthographicCamera or PerspectiveCamera.

Parameters:

inverseProjectionView - the combined projection and view matrices.

pointInFrustum

public boolean pointInFrustum(Vector3d point)

Returns whether the point is in the frustum.

Parameters:

point - The point

Returns:

Whether the point is in the frustum.

pointInFrustum

public boolean pointInFrustum(float x,
                              float y,
                              float z)

Returns whether the point is in the frustum.

Parameters:

x - The X coordinate of the point

y - The Y coordinate of the point

z - The Z coordinate of the point

Returns:

Whether the point is in the frustum.

sphereInFrustum

public boolean sphereInFrustum(Vector3d center,
                               float radius)

Returns whether the given sphere is in the frustum.

Parameters:

center - The center of the sphere

radius - The radius of the sphere

Returns:

Whether the sphere is in the frustum

sphereInFrustum

public boolean sphereInFrustum(float x,
                               float y,
                               float z,
                               float radius)

Returns whether the given sphere is in the frustum.

Parameters:

x - The X coordinate of the center of the sphere

y - The Y coordinate of the center of the sphere

z - The Z coordinate of the center of the sphere

radius - The radius of the sphere

Returns:

Whether the sphere is in the frustum

sphereInFrustumWithoutNearFar

public boolean sphereInFrustumWithoutNearFar(Vector3d center,
                                             float radius)

Returns whether the given sphere is in the frustum not checking whether it is behind the near and far clipping plane.

Parameters:

center - The center of the sphere

radius - The radius of the sphere

Returns:

Whether the sphere is in the frustum

sphereInFrustumWithoutNearFar

public boolean sphereInFrustumWithoutNearFar(float x,
                                             float y,
                                             float z,
                                             float radius)

Returns whether the given sphere is in the frustum not checking whether it is behind the near and far clipping plane.

Parameters:

x - The X coordinate of the center of the sphere

y - The Y coordinate of the center of the sphere

z - The Z coordinate of the center of the sphere

radius - The radius of the sphere

Returns:

Whether the sphere is in the frustum

boundsInFrustum

public boolean boundsInFrustum(BoundingBoxd bounds)

Returns whether the given BoundingBoxd is in the frustum.

Parameters:

bounds - The bounding box

Returns:

Whether the bounding box is in the frustum

boundsInFrustum

public boolean boundsInFrustum(Vector3d center,
                               Vector3d dimensions)

Returns whether the given bounding box is in the frustum.

Returns:

Whether the bounding box is in the frustum

boundsInFrustum

public boolean boundsInFrustum(double x,
                               double y,
                               double z,
                               double halfWidth,
                               double halfHeight,
                               double halfDepth)

Returns whether the given bounding box is in the frustum.

Returns:

Whether the bounding box is in the frustum