Create a new Processing file, and save it as

interactivePaintingLab$2$a$\_$yourLastNameInitial.pde

file. Design a your own $1$st function code block to

generate multiple circles$($e$.$g$.,$ ellipse$)$ positioned at the location of mouse cursor.

$2.$ Create $2$

nd function generating different shapes

along with different pattern through mouse

interaction.

$3.$ By dividing the window area into multiple regions

$($if else statements$),$ assign each function call to

one specific region to generate specific shapes

only appear in a target area.