com.threerings.math
Classes 
Box
FloatMath
Frustum
Line
Matrix3f
Matrix4f
Plane
Quaternion
Ray2D
Ray3D
Rect
SphereCoords
Transform2D
Transform3D
Triangle
Vector2f
Vector3f
Vector4f
Enums 
Frustum.IntersectionType
Exceptions 
SingularMatrixException