Day One of Processing Programing

Today I started working with shapes in processing, I made a program that generates random shapes. Here, have a look:

This was made by using a for loop, every iteration of the loop draws 4 shapes (triangle, rectangle, quadrilateral, and ellipse) with random coordinates. Every iteration also increases the alpha level. The for loop runs this code 100 times, making 400 shapes.

I also used the custom shape function and made this: