fdk::Frustum< T > Class Template Reference

A view frustum class defined by six planes. More...

#include <Frustum.h>

Public Types
enum	Plane {   eNear = 0 , eFar , eLeft , eRight ,   eTop , eBottom , eNumPlanes }
	Frustum planes.
enum	{ eNumCorners = 8 }
enum class	Visibility { NotVisible , FullVisible , PartialVisible }
	Frustum visibility result. More...

Public Member Functions
	Frustum ()=default
	Default constructor.
	Frustum (const Mat4< T > &projMatrix, const Box2< T > &rect, const Box2< T > &viewport, T near=0.0, T far=1.0)
	Construct a frustum from a projection matrix and viewport.
	Frustum (const Mat4< T > &m, T near, T far, T focalLength, T filmWidth, T filmHeight)
	Construct a frustum from camera parameters.
const fdk::Plane< T > &	getPlane (Plane plane) const
	Get a frustum plane.
const fdk::Plane< T > *	planes () const
	Return the six planes defining the frustum.
const Vec3< T > *	corners () const
	Return the eight corners of the frustum.
bool	containsPoint (const Vec3< T > &point) const
	Test the visibility of a point.
bool	isBoxVisible (const fdk::Box3< T > &b) const
	Test the visibility of a Box.
Visibility	arePointsVisible (const Vec3< T > *points, size_t count) const
	Test the visibility of a polygon defined by a list of coplanar vertices.
Frustum	transform (const Mat4< T > &m) const
	Transform the plane by matrix m.

Detailed Description

template<class T>
class fdk::Frustum< T >

A view frustum class defined by six planes.

Member Enumeration Documentation

Visibility

template<class T >

enum class fdk::Frustum::Visibility

strong

Frustum visibility result.

Enumerator
NotVisible	The object is completely outside the view frustum.
FullVisible	The object is completely inside the view frustum.
PartialVisible	Part of the object is inside the view frustum.