render::Frustum Class Reference

#include <Frustum.h>

List of all members.

Public Member Functions
void	buildViewFrustum (const core::matrix4 &projMat, const core::matrix4 &viewMat, ProjectionType projType, f32 fov, f32 aspect, f32 near, f32 far)
	build the view frustum
	Frustum ()
const core::vector3d *	getCorners ()
bool	isVisible (const core::sphere3d &sphere)
	Tests whether the given sphere is visible in the Frustum.
bool	isVisible (const core::aabox3d &box)
	Tests whether the given aabox is visible in the Frustum.
bool	isVisible (const core::vector3d &point)
	Tests whether the given point is visible in the Frustum.
void	transform (const core::matrix4 &mat)
	~Frustum ()
Protected Attributes
core::vector3d	mCorners [8]
core::plane3d	mPlanes [6]

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Detailed Description

A frustum represents a pyramid, capped at the near and far end which is used to represent either a visible area or a projection area. Can be used for a number of applications.

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Constructor & Destructor Documentation

render::Frustum::Frustum

(

)

render::Frustum::~Frustum

(

)

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Member Function Documentation

void render::Frustum::buildViewFrustum	(	const core::matrix4 &	projMat,
		const core::matrix4 &	viewMat,
		ProjectionType	projType,
		f32	fov,
		f32	aspect,
		f32	near,
		f32	far
	)		[inline]

build the view frustum

References core::plane3d::D, render::FRUSTUM_PLANE_BOTTOM, render::FRUSTUM_PLANE_FAR, render::FRUSTUM_PLANE_LEFT, render::FRUSTUM_PLANE_NEAR, render::FRUSTUM_PLANE_RIGHT, render::FRUSTUM_PLANE_TOP, core::plane3d::getIntersectionWithPlanes(), mCorners, mPlanes, and core::plane3d::Normal.

Referenced by render::Camera::updateFrustum().

const core::vector3d * render::Frustum::getCorners

(

)

References mCorners.

Referenced by render::RenderManager::render().

bool render::Frustum::isVisible

(

const core::sphere3d &

sphere

)

Tests whether the given sphere is visible in the Frustum.

References core::sphere3d::Center, mPlanes, and core::sphere3d::Radius.

bool render::Frustum::isVisible

(

const core::vector3d &

point

)

Tests whether the given point is visible in the Frustum.

References mPlanes.

Referenced by render::RenderManager::findVisibleRenderables().

bool render::Frustum::isVisible

(

const core::aabox3d &

box

)

Tests whether the given aabox is visible in the Frustum.

References core::aabox3d::getEdges(), and mPlanes.

void render::Frustum::transform

(

const core::matrix4 &

mat

)

[inline]

transforms the frustum by the matrix

Parameters:

mat,:

Matrix by which the view frustum is transformed.

References mPlanes, and core::matrix4::transformPlane().

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Member Data Documentation

core::vector3d render::Frustum::mCorners[8] [protected]

Referenced by buildViewFrustum(), and getCorners().

core::plane3d render::Frustum::mPlanes[6] [protected]

Referenced by buildViewFrustum(), isVisible(), and transform().

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The documentation for this class was generated from the following files:

• E:/Programming/MyProject/K_Game_hg/GameEngine/include/render/Frustum.h
• E:/Programming/MyProject/K_Game_hg/GameEngine/src/render/Frustum.cpp