BoundFrustum Class

BoundFrustum Class

Members

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BoundFrustum ( ) #

Constructor. Creates an empty bounding frustum.

BoundFrustum ( mat4 projection, mat4 modelview ) #

Initialization by the projection and modelview matrices.

Arguments

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

BoundFrustum ( BoundFrustum bf ) #

Initialization by the bounding frustum.

Arguments

• BoundFrustum bf - The bounding frustum.

BoundFrustum ( BoundFrustum bf, mat4 itransform ) #

Initialization by the bounding frustum and transformation matrix.

Arguments

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

void set ( mat4 projection, mat4 modelview ) #

Sets the bounding frustum by matrices.

Arguments

• mat4 projection - Projection matrix.
• mat4 modelview - Modelview matrix.

void set ( BoundFrustum bf ) #

Sets the bounding frustum by the bounding frustum.

Arguments

• BoundFrustum bf - The bounding frustum.

void set ( BoundFrustum bf, mat4 itransform ) #

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

Arguments

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

void setITransform ( mat4 itransform ) #

Sets the transformation matrix by an inverse transformation matrix.

Arguments

• mat4 itransform - The inverse transformation matrix.

void setITransform ( dmat4 itransform ) #

Sets the transformation matrix by an inverse transformation matrix.

Arguments

• dmat4 itransform - The inverse transformation matrix.

int compare ( BoundFrustum bf ) #

Compares the current bounding frustum with the given one.

Arguments

• BoundFrustum bf - Bounding frustum.

Return value

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

void expand ( float radius ) #

Expands the current bounding frustum by the given radius.

Arguments

• float radius - Radius.

int inside ( vec3 point ) #

Checks if the point is inside the bounding frustum.

Arguments

• vec3 point - The coordinates of the point.

Return value

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

int inside ( vec3 point, float radius ) #

Checks if the sphere is inside the bounding frustum.

Arguments

• 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 ( vec3 min, vec3 max ) #

Checks if the box is inside the bounding frustum.

Arguments

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

Return value

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

int inside ( vec3[] points ) #

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

Arguments

• vec3[] points - Array of points.

Return value

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

int inside ( BoundSphere bs ) #

Checks if the bounding sphere is inside the bounding frustum.

Arguments

• BoundSphere bs - Bounding sphere.

Return value

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

int inside ( BoundBox bb ) #

Checks if the bounding box is inside the bounding frustum.

Arguments

• BoundBox bb - Bounding box.

Return value

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

int inside ( BoundFrustum bf ) #

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

Arguments

• BoundFrustum bf - Bounding frustum.

Return value

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

int insideAll ( BoundBox bb ) #

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

Arguments

• BoundBox bb - Bounding box.

Return value

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

int insideAll ( BoundSphere bs ) #

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

Arguments

• BoundSphere bs - Bounding sphere.

Return value

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

int insideAll ( BoundFrustum bf ) #

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

Arguments

• BoundFrustum bf - Bounding frustum.

Return value

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

int insidePlanes ( BoundSphere bs ) #

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

Arguments

• BoundSphere bs - Bounding sphere.

Return value

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

int insidePlanes ( BoundBox bb ) #

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

Arguments

• BoundBox bb - Bounding box.

Return value

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

int insidePlanes ( BoundFrustum bf ) #

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

Arguments

• BoundFrustum bf - Bounding frustum.

Return value

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

int insideShadowValid ( BoundSphere object, vec3 direction ) #

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

Arguments

• BoundSphere object - Bounding sphere.
• vec3 direction - The direction vector.

Return value

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

int insideShadowValid ( BoundSphere object, BoundSphere light, 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

• BoundSphere object - Bounding sphere.
• BoundSphere light - The bounding sphere of the light source.
• 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.

bool isValid ( ) #

Checks the bounding frustum status.

Return value

true if the bounding frustum is valid, otherwise false.

vec3 getCamera ( ) #

Returns the position of the camera.

Return value

Camera position.