Returns false if there are no items in the heap.

< Returns the index of the maximum component of the vector.

< Returns the index of the maximum component of the vector.

< Returns the index of the maximum component of the vector.

< Returns true if all components are exactly zero.

< Returns true if the r, g, and b components are exactly zero.

< Returns true if the matrix is exactly zero

< Returns true if the matrix is exactly zero

< Returns true if the matrix is exactly zero

< Sets the scalar and vector components of the quaternion.

Returns if the matrix is identity within the given error tollerance.

Returns if the item with the given id is in the heap or removed by Pop.

< returns the number of elements in this node (must be leaf node)

@name General methods

@name General methods

< Returns the texture ID.

< Returns the frame buffer ID.

< Returns the shader ID.

< Returns the program ID

< Binds the frame buffer that was used before this frame buffer was bound and reverts the viewport.

Returns if the matrix is symmetric within the given error tollerance.

Returns true if the tiling parameter is turned on.

< Returns true if all components are finite real numbers.

< Returns true if all components are finite real numbers.

< Returns true if all components are finite real numbers.

Returns true if weight limiting is turned on.

< Returns the sum of its components

< Returns the sum of its components.

< Returns the sum of its components

< Returns the sum of its components

< Returns the sum of its components

< Returns the sum of its components

< Set all the values as zero

< Set all the values as zero

< Set all the values as zero

Returns the total number of nodes on the left sub-tree of a complete k-d tree of size n.

< Returns the square of the length. Effectively, this is the dot product of the vector with itself.

< Returns the square of the length. Effectively, this is the dot product of the vector with itself.

< Returns the square of the length. Effectively, this is the dot product of the vector with itself.

< Returns the square of the length. Effectively, this is the dot product of the vector with itself.

< Returns 1, since the unit quaternion always has length 1.

< Returns a normalized copy of the vector.

< Returns a normalized copy of the vector.

< Returns a normalized copy of the vector.

< Returns the quaternion itself, since it is already normalized.

Loads hair data from the given HAIR file.

Loads the given source file into a source string and returns it. If load fails, an error message is printed to the given out stream and an empty strin

< Returns the rotation portion of the transformation

< Returns the rotation portion of the transformation

Returns the matrix representation of cross product ( a x b )

< Returns the minimum component of the vector.

< Returns the minimum component of the vector.

< Returns the minimum component of the vector.

< Returns the minimum component of the vector.

< Returns the minimum component of the vector.

< Returns the minimum component of the vector.

< Returns the index of the minimum component of the vector.

< Returns the index of the minimum component of the vector.

< Returns the index of the minimum component of the vector.

< Returns the index of the minimum component of the vector.

< Returns the index of the minimum component of the vector.

< Returns the index of the minimum component of the vector.

< Returns true if all components are exactly zero

< Returns true if all components are exactly zero.

< Returns true if all components are exactly zero

< Returns true if all components are exactly zero

< Returns true if all components are exactly zero

< Returns true if all components are exactly zero