Unigine::BoundFrustum Class

BoundFrustum Class

Members

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BoundFrustum ( ) #

Constructor. Creates an empty bounding frustum.

BoundFrustum ( const mat4 & projection, const mat4 & modelview ) #

Initialization by matrices.

Arguments

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

BoundFrustum ( const BoundFrustum & bf ) #

Initialization by the bounding frustum.

Arguments

• const BoundFrustum & bf - The bounding frustum.

BoundFrustum ( const BoundFrustum & bf, const mat4 & invtransform ) #

Initialization by the bounding frustum and transformation matrix.

Arguments

• const BoundFrustum & bf - The bounding frustum.
• const mat4 & invtransform - The inverse transformation matrix.

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

Sets the bounding frustum by matrices.

Arguments

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

void set ( const BoundFrustum & bf ) #

Sets the bounding frustum by the bounding frustum.

Arguments

• const BoundFrustum & bf - The bounding frustum.

void set ( const BoundFrustum & bf, const mat4 & itransform ) #

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

Arguments

• const BoundFrustum & bf - The bounding frustum.
• const mat4 & itransform - The inverse transformation matrix.

const vec3 & getCamera ( ) #

Returns the position of the camera.

Return value

Camera position.

const vec4 * getPlanes ( ) # const

Returns the bounding frustum cliping planes array.

Return value

The bounding frustum cliping planes array.

int isValid ( ) # const

Checks the bounding frustum status.

Return value

1 if the bounding frustum is valid.

void clear ( ) #

Clears the bounding frustum.

int inside ( const vec3 & point, float radius ) # const

Checks if the sphere is inside the bounding frustum.

Arguments

• const vec3 & point - The coordinates of the center of the sphere.
• float radius - The sphere radius.

Return value

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

int inside ( const vec3 & min, const vec3 & max ) # const

Checks if the box is inside the bounding frustum.

Arguments

• const vec3 & min - The box minimum coordinate.
• const vec3 & max - The box maximum coordinate.

Return value

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

int inside ( const BoundSphere & bs ) # const

Checks if the bounding sphere is inside the bounding frustum.

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int inside ( const BoundBox & bb ) # const

Checks if the bounding box is inside the bounding frustum.

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insideAll ( const BoundBox & bb ) #

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

Arguments

• const BoundBox & bb - Bounding box.

Return value

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

int insideAll ( const BoundSphere & bs ) #

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

Arguments

• const BoundSphere & bs - Bounding sphere.

Return value

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

BoundFrustum & operator= ( const BoundFrustum & bf ) #

Assignment operator.

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

Bounding frustum.

int operator== ( const BoundFrustum & bf ) #

Bounding frustum equal comparison operator.

Arguments

• const BoundFrustum & bf - The bounding frustum to compare with.

Return value

1 if the current bounding frustum is equal to the given one; otherwise, 0.

int operator!= ( const BoundFrustum & bf ) #

Bounding frustum not equal comparison operator.

Arguments

• const BoundFrustum & bf - The bounding frustum to compare with.

Return value

1 if the current bounding frustum is not equal to the given one; otherwise, 0.

void setITransform ( const mat4 & itransform ) #

Sets the transformation matrix by an inverse transformation matrix.

Arguments

• const mat4 & itransform - The inverse transformation matrix.

void setITransform ( const dmat4 & itransform ) #

Sets the transformation matrix by an inverse transformation matrix.

Arguments

• const dmat4 & itransform - The inverse transformation matrix.

int compare ( const BoundFrustum & bf ) #

Compares the current bounding frustum with the given one.

Arguments

• const BoundFrustum & bf - Bounding frustum.

Return value

1 if the current bounding frustum is equal to the given one; otherwise, 0.

int addPortal ( const vec3 * points, int num_points, const mat4 & transform ) #

Adds a new portal created from a set of points to the current bounding frustum.

Arguments

• const vec3 * points - The vector of points.
• int num_points - The number of points, must be equal to 4.
• const mat4 & transform - The transformation matrix.

Return value

1 if the portal was successfully added; otherwise, 0.

void removePortal ( ) #

Removes the last portal from the current bounding frustum.

int getNumPortals ( ) #

Returns the number of portals of the current bounding frustum.

Return value

Number of portals.

const vec3 * getPortalPoints ( int num ) #

Returns the vector containing the points of the given portal of the current bounding frustum.

Arguments

• int num - Index of the portal, in the [0, number of portal] range.

Return value

Vector of portal points.

void expand ( float radius ) #

Expands the current bounding frustum by the given radius.

Arguments

• float radius - Radius.

int inside ( const vec3 & point ) #

Checks if the point is inside the bounding frustum.

Arguments

• const vec3 & point - Point.

Return value

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

int inside ( const vec3 * points, int num ) #

Checks if a set of points is inside the bounding frustum.

Arguments

• const vec3 * points - Vector of points.
• int num - Number of points.

Return value

1 if the points are inside the bounding frustum; otherwise, 0.

int insideFast ( const vec3 & point ) #

Performs a fast check if the point is inside the bounding frustum.

Arguments

• const vec3 & point - Point.

Return value

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

int insideFast ( const vec3 & point, float radius ) #

Performs a fast check if the sphere is inside the bounding frustum.

Arguments

• const vec3 & point - Center point.
• float radius - Radius.

Return value

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

int insideFast ( const vec3 & min, const vec3 & max ) #

Performs a fast check if the box is inside the bounding frustum.

Arguments

• const vec3 & min - Minimum point.
• const vec3 & max - Maximum point.

Return value

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

int insideFast ( const vec3 * points, int num ) #

Performs a fast check if the set of points is inside the bounding frustum.

Arguments

• const vec3 * points - Vector of points.
• int num - Number of points.

Return value

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

int inside ( const BoundFrustum & bf ) #

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

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insideValid ( const BoundSphere & bs ) #

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

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int insideValid ( const BoundBox & bb ) #

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

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insideValid ( const BoundFrustum & bf ) #

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

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insideValidFast ( const BoundSphere & bs ) #

Performs a fast check if the given bounding sphere is inside the current bounding frustum.

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int insideValidFast ( const BoundBox & bb ) #

Performs a fast check if the given bounding box is inside the current bounding frustum.

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insideValidFast ( const BoundFrustum & bf ) #

Performs a fast check if the given bounding frustum is inside the current bounding frustum.

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insideAll ( const BoundFrustum & bf ) #

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

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insideAllValid ( const BoundSphere & bs ) #

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

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int insideAllValid ( const BoundBox & bb ) #

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

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insideAllValid ( const BoundFrustum & bf ) #

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

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insideAllValidFast ( const BoundSphere & bs ) #

Performs a fast check if the whole given bounding sphere is inside the current bounding frustum.

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int insideAllValidFast ( const BoundBox & bb ) #

Performs a fast check if the whole given bounding box is inside the current bounding frustum.

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insideAllValidFast ( const BoundFrustum & bf ) #

Performs a fast check if the whole given bounding frustum is inside the current bounding frustum.

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insidePlanes ( const BoundSphere & bs ) #

Checks if the given bounding sphere is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int insidePlanes ( const BoundBox & bb ) #

Checks if the given bounding box is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insidePlanes ( const BoundFrustum & bf ) #

Checks if the given bounding frustum is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insidePlanesValid ( const BoundSphere & bs ) #

Checks if the given bounding sphere is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int insidePlanesValid ( const BoundBox & bb ) #

Checks if the given bounding box is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insidePlanesValid ( const BoundFrustum & bf ) #

Checks if the given bounding frustum is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insidePlanesValidFast ( const BoundSphere & bs ) #

Performs a fast check if the given bounding sphere is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int insidePlanesValidFast ( const BoundBox & bb ) #

Performs a fast check if the given bounding box is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insidePlanesValidFast ( const BoundFrustum & bf ) #

Performs a fast check if the given bounding frustum is inside the volume defined by the planes of the current bounding frustum.

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insidePortals ( const BoundSphere & bs ) #

Checks if the given bounding sphere is inside the portals of the current bounding frustum.

Arguments

• const BoundSphere & bs - The bounding sphere.

Return value

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

int insidePortals ( const BoundBox & bb ) #

Checks if the given bounding box is inside the portals of the current bounding frustum.

Arguments

• const BoundBox & bb - The bounding box.

Return value

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

int insidePortals ( const BoundFrustum & bf ) #

Checks if the given bounding frustum is inside the portals of the current bounding frustum.

Arguments

• const BoundFrustum & bf - The bounding frustum.

Return value

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

int insidePortalsValid ( const BoundSphere & bs ) #

Checks if the given bounding sphere is inside the portals of the current bounding frustum.

Arguments

• const BoundSphere & bs

Return value

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

int insidePortalsValid ( const BoundBox & bb ) #

Checks if the given bounding box is inside the portals of the current bounding frustum.

Arguments

• const BoundBox & bb

Return value

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

int insidePortalsValid ( const BoundFrustum & bf ) #

Checks if the given bounding frustum is inside the portals of the current bounding frustum.

Arguments

• const BoundFrustum & bf

Return value

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

int insideShadowValid ( const BoundSphere & object, const vec3 & direction ) #

Checks if the given bounding sphere is inside the shadow of the current bounding frustum.

Arguments

• const BoundSphere & object - The bounding sphere.
• const vec3 & direction - The direction vector.

Return value

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

int insideShadowValid ( const BoundSphere & object, const BoundSphere & light, const vec3 & offset ) #

Checks if the given bounding sphere is inside the shadow of the current bounding frustum and outside the bounding sphere of a light source.

Arguments

• const BoundSphere & object - The bounding sphere.
• const BoundSphere & light - The bounding sphere of the light source.
• const vec3 & offset - The offset vector.

Return value

1 if the given bounding sphere is inside the shadow and outside the given light source bounding sphere; otherwise, 0.

const vec3 * getPoints ( ) #

Returns the vector of points of the current bounding frustum.

Return value

Vector of points.