getClassType static TypeHandle LOrientationf::get_class_type(void); Undocumented function. |
operator * LOrientationf LOrientationf::operator *(LRotationf const &other) const; Description: Orientation * rotation = Orientation Applies an rotation to an orientation. Description: Orientation * Orientation This is a meaningless operation, and will always simply return the rhs. |
almostEqual bool LQuaternionf::almost_equal(LQuaternionf const &other) const; Description: Returns true if two quaternions are memberwise equal within a default tolerance based on the numeric type. Description: Returns true if two quaternions are memberwise equal within a specified tolerance. |
almostSameDirection bool LQuaternionf::almost_same_direction(LQuaternionf const &other, float threshold) const; Description: Returns true if two quaternions represent the same rotation within a specified tolerance. |
angleDeg float LQuaternionf::angle_deg(LQuaternionf const &other) const; Description: Returns the angle between the orientation represented by this quaternion and the other one, expressed in degrees. |
angleRad float LQuaternionf::angle_rad(LQuaternionf const &other) const; Description: Returns the angle between the orientation represented by this quaternion and the other one, expressed in radians. |
extractToMatrix void LQuaternionf::extract_to_matrix(LMatrix3f &m) const; Description: Based on the quat lib from VRPN. |
getAngle float LQuaternionf::get_angle(void) const; Description: This, along with get_axis(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. This returns the angle, in degrees counterclockwise about the axis. |
getAxis LVector3f LQuaternionf::get_axis(void) const; Description: This, along with get_angle(), returns the rotation represented by the quaternion as an angle about an arbitrary axis. This returns the axis; it is not normalized. |
getClassType static TypeHandle LQuaternionf::get_class_type(void); Undocumented function. |
getForward LVector3f LQuaternionf::get_forward(CoordinateSystem cs = (CS_default)) const; Description: Returns the orientation represented by this quaternion, expressed as a forward vector. |
getHpr LVecBase3f LQuaternionf::get_hpr(CoordinateSystem cs = (CS_default)) const; Description: Extracts the equivalent Euler angles from the unit quaternion. |
getI float LQuaternionf::get_i(void) const; Description: |
getJ float LQuaternionf::get_j(void) const; Description: |
getK float LQuaternionf::get_k(void) const; Description: |
getR float LQuaternionf::get_r(void) const; Description: |
getRight LVector3f LQuaternionf::get_right(CoordinateSystem cs = (CS_default)) const; Description: Returns the orientation represented by this quaternion, expressed as a right vector. |
getUp LVector3f LQuaternionf::get_up(CoordinateSystem cs = (CS_default)) const; Description: Returns the orientation represented by this quaternion, expressed as an up vector. |
identQuat static LQuaternionf const &LQuaternionf::ident_quat(void); Description: Returns an identity quaternion. |
invertFrom bool LQuaternionf::invert_from(LQuaternionf const &other); Description: Computes the inverse of the other quat, and stores the result in this quat. This is a fully general operation and makes no assumptions about the type of transform represented by the quat. The other quat must be a different object than this quat. However, if you need to invert a quat in place, see invert_in_place. The return value is true if the quat was successfully inverted, false if there was a singularity. |
invertInPlace bool LQuaternionf::invert_in_place(void); Description: Inverts the current quat. Returns true if the inverse is successful, false if the quat was singular. |
isAlmostIdentity bool LQuaternionf::is_almost_identity(float tolerance) const; Description: Returns true if this quaternion represents the identity transformation within a given tolerance. |
isIdentity bool LQuaternionf::is_identity(void) const; Description: Returns true if this quaternion represents the identity transformation: no rotation. |
isSameDirection bool LQuaternionf::is_same_direction(LQuaternionf const &other) const; Description: Returns true if two quaternions represent the same rotation within a default tolerance based on the numeric type. |
multiply LQuaternionf LQuaternionf::multiply(LQuaternionf const &rhs) const; Description: actual multiply call (non virtual) |
normalize bool LQuaternionf::normalize(void); Description: |
operator * LQuaternionf LQuaternionf::operator *(float scalar) const; Description: Description: Quat * Matrix = matrix |
operator *= LQuaternionf &LQuaternionf::operator *=(LQuaternionf const &); Description: |
operator + LQuaternionf LQuaternionf::operator +(LQuaternionf const &other) const; Description: |
operator - LQuaternionf LQuaternionf::operator -(void) const; Description: |
operator / LQuaternionf LQuaternionf::operator /(float scalar) const; Description: |
output void LQuaternionf::output(ostream &) const; Description: |
pureImaginary static LQuaternionf LQuaternionf::pure_imaginary(LVector3f const &); Description: |
setFromMatrix void LQuaternionf::set_from_matrix(LMatrix3f const &m); Description: Description: Sets the quaternion according to the rotation represented by the matrix. Originally we tried an algorithm presented by Do-While Jones, but that turned out to be broken. This is based on the quat lib from UNC. |
setHpr void LQuaternionf::set_hpr(LVecBase3f const &hpr, CoordinateSystem cs = (CS_default)); Description: Sets the quaternion as the unit quaternion that is equivalent to these Euler angles. (from Real-time Rendering, p.49) |
setI void LQuaternionf::set_i(float i); Description: |
setJ void LQuaternionf::set_j(float j); Description: |
setK void LQuaternionf::set_k(float k); Description: |
setR void LQuaternionf::set_r(float r); Description: |
xform LVecBase3f LQuaternionf::xform(LVecBase3f const &v) const; Description: Transforms a 3-d vector by the indicated rotation |
addHash unsigned int LVecBase4f::add_hash(unsigned int hash) const; Description: Adds the vector into the running hash. |
addToCell void LVecBase4f::add_to_cell(int i, float value); These next functions add to an existing value. i.e. foo.set_x(foo.get_x() + value) These are useful to reduce overhead in scripting languages: Description: |
addW void LVecBase4f::add_w(float value); Description: |
addX void LVecBase4f::add_x(float value); These next functions add to an existing value. i.e. foo.set_x(foo.get_x() + value) These are useful to reduce overhead in scripting languages: Description: |
addY void LVecBase4f::add_y(float value); Description: |
addZ void LVecBase4f::add_z(float value); Description: |
almostEqual bool LVecBase4f::almost_equal(LVecBase4f const &other, float threshold) const; Description: Returns true if two vectors are memberwise equal within a specified tolerance. Description: Returns true if two vectors are memberwise equal within a default tolerance based on the numeric type. |
compareTo int LVecBase4f::compare_to(LVecBase4f const &other) const; Description: This flavor of compare_to uses a default threshold value based on the numeric type. Description: Sorts vectors lexicographically, componentwise. Returns a number less than 0 if this vector sorts before the other one, greater than zero if it sorts after, 0 if they are equivalent (within the indicated tolerance). |
dot float LVecBase4f::dot(LVecBase4f const &other) const; Description: |
fill void LVecBase4f::fill(float fill_value); Description: Sets each element of the vector to the indicated fill_value. This is particularly useful for initializing to zero. |
getCell float LVecBase4f::get_cell(int i) const; Description: |
getClassType static TypeHandle LVecBase4f::get_class_type(void); Undocumented function. |
getData float const *LVecBase4f::get_data(void) const; Description: Returns the address of the first of the four data elements in the vector. The remaining elements occupy the next positions consecutively in memory. |
getHash unsigned int LVecBase4f::get_hash(void) const; Description: Returns a suitable hash for phash_map. |
getNumComponents int LVecBase4f::get_num_components(void) const; Description: Returns the number of elements in the vector, four. |
getW float LVecBase4f::get_w(void) const; Description: |
getX float LVecBase4f::get_x(void) const; Description: |
getY float LVecBase4f::get_y(void) const; Description: |
getZ float LVecBase4f::get_z(void) const; Description: |
isNan bool LVecBase4f::is_nan(void) const; Description: Returns true if any component of the vector is not-a-number, false otherwise. |
operator != bool LVecBase4f::operator !=(LVecBase4f const &other) const; Description: |
operator * LVecBase4f LVecBase4f::operator *(float scalar) const; Description: |
operator *= void LVecBase4f::operator *=(float scalar); Description: |
operator + LVecBase4f LVecBase4f::operator +(LVecBase4f const &other) const; Description: |
operator += void LVecBase4f::operator +=(LVecBase4f const &other); Description: |
operator - LVecBase4f LVecBase4f::operator -(void) const; Description: |
operator -= void LVecBase4f::operator -=(LVecBase4f const &other); Description: |
operator / LVecBase4f LVecBase4f::operator /(float scalar) const; Description: |
operator /= void LVecBase4f::operator /=(float scalar); Description: |
operator < bool LVecBase4f::operator <(LVecBase4f const &other) const; Description: This performs a lexicographical comparison. It's of questionable mathematical meaning, but sometimes has a practical purpose for sorting unique vectors, especially in an STL container. Also see compare_to(). |
operator = LVecBase4f &LVecBase4f::operator =(LVecBase4f const ©); Description: |
operator == bool LVecBase4f::operator ==(LVecBase4f const &other) const; Description: |
operator [] float LVecBase4f::operator [](int i) const; Description: |
output void LVecBase4f::output(ostream &out) const; Description: |
pythonRepr void LVecBase4f::python_repr(ostream &out, string const &class_name) const; Description: |
set void LVecBase4f::set(float x, float y, float z, float w); Description: |
setCell void LVecBase4f::set_cell(int i, float value); Description: |
setW void LVecBase4f::set_w(float value); Description: |
setX void LVecBase4f::set_x(float value); Description: |
setY void LVecBase4f::set_y(float value); Description: |
setZ void LVecBase4f::set_z(float value); Description: |
unitW static LVecBase4f const &LVecBase4f::unit_w(void); Description: Returns a unit W vector. |
unitX static LVecBase4f const &LVecBase4f::unit_x(void); Description: Returns a unit X vector. |
unitY static LVecBase4f const &LVecBase4f::unit_y(void); Description: Returns a unit Y vector. |
unitZ static LVecBase4f const &LVecBase4f::unit_z(void); Description: Returns a unit Z vector. |
zero static LVecBase4f const &LVecBase4f::zero(void); Description: Returns a zero-length vector. |