This class implements a sphere quadric. More...

Inheritance diagram for Ocean::Geometry::Sphere:

Public Member Functions
	Sphere ()
	Creates an invalid sphere. More...

	Sphere (const Scalar radius, const HomogenousMatrix4 &transformation)
	Creates a sphere by a given radius and a transformation. More...

Public Member Functions inherited from Ocean::Geometry::Quadric
	Quadric ()
	Creates an invalid quadric. More...

bool	isInside (const Vector3 &point) const
	Returns whether a given point lies inside or on the surface of the cone. More...

bool	isOnSurface (const Vector3 &point) const
	Returns whether a given point lies on the surface of the cone. More...

Scalar	value (const Vector3 &point) const
	Returns the quadric value for a given point. More...

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. More...

Protected Attributes inherited from Ocean::Geometry::Quadric
SquareMatrix4	combinedQuadric
	Holds the combined quadric and transformation matrix. More...

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

Ocean::Geometry::Sphere::Sphere ( )

Creates an invalid sphere.

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)

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