A simple Christmas tree drawn using Luxor.jl
The tri() function draws triangles based on their
desired starting point, base length, and height.
tri() is used to create three seperate green triangles that
form the branches of the tree.
For ornaments, circle() is used with color and placed about the branches.
The stump is just a brown rect()
The yellow star() has a circle() with its opacity set to 0.5
to create a glowing effect.
