Fix warnings
Add smooth step and catmullRom
Add methods for calculating the angle between two vectors
Add perspectiveTransform to matrix4 to transform a vector3 as a vector4 with the w component set to 1. Later the result is divided by w.
Add Frustum.intersectsWithAabb3 version that doesn't avoids to create new instances
Add Aabb3.copyCenter in case you don't need the halfExtents
Add Aabb3.fromSphere and setSphere to create a aabb that encloses a sphere
Add Aabb3.fromTriangle and setTriangle to create a aabb that encloses a triangle
Add fromRay to aabb3 to create bounding box for a ray that is limited (more a line segement)
Add quad class and add some methods from the quad class also to triangle.