Quaternion.axisAngle constructor
A rotation of angle radians about axis (need not be normalised).
Implementation
Quaternion.axisAngle(Vector3 axis, double angle)
: x = 0.0,
y = 0.0,
z = 0.0,
w = 1.0 {
setAxisAngle(axis.x, axis.y, axis.z, angle);
}