Ocean::Geometry::Sphere Class Reference

This class implements a sphere quadric. More...

#include <Quadric.h>

Inheritance diagram for Ocean::Geometry::Sphere:

Public Member Functions
	Sphere ()
	Creates an invalid sphere.
	Sphere (const Scalar radius, const HomogenousMatrix4 &transformation)
	Creates a sphere by a given radius and a transformation.
Public Member Functions inherited from Ocean::Geometry::Quadric
	Quadric ()
	Creates an invalid quadric.
bool	isInside (const Vector3 &point) const
	Returns whether a given point lies inside or on the surface of the cone.
bool	isOnSurface (const Vector3 &point) const
	Returns whether a given point lies on the surface of the cone.
Scalar	value (const Vector3 &point) const
	Returns the quadric value for a given point.

Additional Inherited Members
Protected Member Functions inherited from Ocean::Geometry::Quadric
void	createCombinedQuadric (const SquareMatrix4 &quadric, const HomogenousMatrix4 &transformation)
	Creates the combination of quadric and transformation matrix.
Protected Attributes inherited from Ocean::Geometry::Quadric
SquareMatrix4	combinedQuadric
	Holds the combined quadric and transformation matrix.

Detailed Description

This class implements a sphere quadric.

Quadric for sphere Q: Sphere midpoint at: (m_x, m_y, m_z) Sphere radius: r

[ 1 0 0 -m_x ]
[ 0 1 0 -m_y ]
[ 0 0 1 -m_z ]
[ -m_x -m_y -m_z (m_x^2 + m_y^2 - m_z^2 - r^2) ]

Inside test: p^T * Q * p <= 0.0

Constructor & Destructor Documentation

Sphere() [1/2]

Ocean::Geometry::Sphere::Sphere

(

)

Creates an invalid sphere.

Sphere() [2/2]

Ocean::Geometry::Sphere::Sphere	(	const Scalar	radius,
		const HomogenousMatrix4 &	transformation
	)

Creates a sphere by a given radius and a transformation.

Parameters

radius	Radius of the sphere
transformation	Transformation to transform the default sphere defined with midpoint at (0, 0, 0)

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

• Quadric.h