container.h  -- Container

kdtree.h  -- KdTree

shapes.h  -- Triangle, Sphere

scene.h   -- Ray, Light, Camera, Scene

material.h -- Material, Texture

matrix.h  -- Matrix

vector.h  -- Vector3

reader.h  -- Reader, WavefrontReader

KdTree monkey

wf = new WavefrontReader()

wf.setContainer(monkey)

wf.read("monkey.obj")

destroy wf

monkey.optimize()  -- i.e. build tree

Scene scene -- container with shapes, a camera and lights

scene = new Scene()

scene.setTop(monkey) -- top object in hierarchy

scene.setCamera(new Camera(pos, dir, angle))

scene.addLight(new PointLight(pos, color))

rt.setScene(scene)

rt.render(w,h)

constructors have zero or one parameter by default -- the object to copy data from

more parameters -- the data (ray origin and direction)