euclidean.math.quaternion documentation
axes
(axes q)
Return the three axes of the quaternion.
from-angle-axis
(from-angle-axis angle axis)
Create a quaternion from an angle in radians and an arbitrary axis vector.
from-angle-normal-axis
(from-angle-normal-axis angle axis)
Create a quaternion from an angle in radians and a normalized axis vector.
from-axes
(from-axes x-axis y-axis z-axis)
Create a quaternion from three axis vectors.
get-w
(get-w q)
Get the w component of a quaternion.
get-x
(get-x q)
Get the x component of a quaternion.
get-y
(get-y q)
Get the y component of a quaternion.
get-z
(get-z q)
Get the z component of a quaternion.
identity
The identity quaternion.
into-quaternion
(into-quaternion coll)
Turn a collection of 4 numbers into a quaternion.
look-at
(look-at direction up)
Create a quaternion that is directed at a point specified by a vector.
mult
(mult q)(mult q1 q2)(mult q1 q2 & more)
Multiply two quaternions together.
norm
(norm q)
Compute the norm of the quaternion.
pitch
(pitch angle)
Create a quaternion representing a pitch rotation by an angle in radians.
quaternion
(quaternion x y z w)
Create a new quaternion.
roll
(roll angle)
Create a quaternion representing a roll rotation by an angle in radians.
rotate
(rotate q v)
Rotate a vector with a quaternion.
yaw
(yaw angle)
Create a quaternion representing a yaw rotation by an angle in radians.