Unigine::WorldBoundFrustum Class

WorldBoundFrustum Class

Members

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WorldBoundFrustum( )

Default constructor.

WorldBoundFrustum( const mat4 & projection, const dmat4 & modelview )

Constructor. Initializes the bounding frustum by given matrices.

Arguments

• const mat4 & projection - A projection matrix.
• const dmat4 & modelview - A modelview matrix.

WorldBoundFrustum( const WorldBoundFrustum & bf )

Constructor. Initializes by given bounding frustum.

Arguments

• const WorldBoundFrustum & bf - The bounding frustum.

WorldBoundFrustum( const WorldBoundFrustum & bf, const dmat4 & itransform )

Constructor. Initializes by given bounding frustum and transformation matrix.

Arguments

• const WorldBoundFrustum & bf - The bounding frustum.
• const dmat4 & itransform - The inverse transformation matrix.

void set( const mat4 & projection, const dmat4 & modelview )

Sets the bounding frustum by given matrices.

Arguments

• const mat4 & projection - A projection matrix.
• const dmat4 & modelview - A modelview matrix.

void set( const WorldBoundFrustum & bf )

Sets the bounding frustum by given bounding frustum.

Arguments

• const WorldBoundFrustum & bf - The bounding frustum.

void set( const WorldBoundFrustum & bf, const dmat4 & itransform )

Sets the bounding frustum by given bounding frustum and transformation matrix.

Arguments

• const WorldBoundFrustum & bf - The bounding frustum.
• const dmat4 & itransform - The inverse transformation matrix.

dvec3 getCamera( )

Returns the position of the camera.

Return value

Camera position.

const dmat4 & getModelview( )

Gets the bounding frustum modelview matrix.

Return value

The bounding frustum modelview matrix.

const dvec4 * getPlanes( )

Gets the bounding frustum cliping planes array.

Return value

The bounding frustum cliping planes array.

const dmat4 & getProjection( )

Gets the bounding frustum modelview matrix.

Return value

The bounding frustum projection matrix.

int isValid( )

Checks the bounding frustum status.

Return value

1 if the bounding frustum is valid.

void clear( )

Clears the bounding frustum.

int inside( const dvec3 & point, double radius )

Checks if the sphere is inside the bounding frustum.

Arguments

• const dvec3 & point - The coordinates of the center of the sphere.
• double radius - The sphere radius.

Return value

1 if the sphere is inside the bounding frustum; otherwise, 0.

int inside( const dvec3 & min, const dvec3 & max )

Checks if the box is inside the bounding frustum.

Arguments

• const dvec3 & min - The box minimum coordinate.
• const dvec3 & max - The box maximum coordinate.

Return value

1 if the box is inside the bounding frustum; otherwise, 0.

int inside( const WorldBoundBox & bb )

Checks if the bounding box is inside the bounding frustum.

Arguments

• const WorldBoundBox & bb - The bounding box.

Return value

1 if the bounding box is inside the bounding frustum; otherwise, 0.

int inside( const WorldBoundSphere & bs )

Checks if the bounding sphere is inside the bounding frustum.

Arguments

• const WorldBoundSphere & bs - The bounding sphere.

Return value

1 if the bounding sphere is inside the bounding frustum; otherwise, 0.

int insideAll( const WorldBoundBox & bb )

Checks if the whole given bounding box is inside the current bounding frustum.

Arguments

• const WorldBoundBox & bb - The bounding box.

Return value

1 if the whole box is inside the bounding frustum; otherwise, 0.

int insideAll( const WorldBoundSphere & bs )

Checks if the whole given bounding sphere is inside the current bounding frustum.

Arguments

• const WorldBoundSphere & bs - The bounding sphere.

Return value

1 if the whole sphere is inside the bounding frustum; otherwise, 0.

~BoundFrustum( )

Destructor.