A set of functions to create, manage, and draw Circles.
Circles are sets with a Point and a number like this: {:c {:x 100 :y 100} :r 50}.

A set of function to manage Colors easily.

A set of functions to create, manage, and draw Paths.
Paths are lists of Points like this: ({:x 100 :y 100} {:x 200 :y 100} {:x 300 :y 100} {:x 300 :y 200} ).

A set of function to create, manipulate, and draw Points and also Vector structures.
Points are structured as maps like this: {:x 100 :y 100}.
Vectors are strucutred as maps like this: {:len 100 :dir 60}

A set of functions to create, manage, and draw Triangles.
Triangles are sets with three Points like this: {:a {:x 100 :y 100} :b {:x 100 :y 100} :c {:x 100 :y 100}}.

A handy set of utility functions.