AlrexX

Untitled by Pas (paxiti), on May 23, 2018

Untitled by Pas (paxiti), on June 1, 2018

Untitled by Pas (paxiti), on August 30, 2022

Untitled by Pas (paxiti), on August 31, 2022

Untitled by Pas (paxiti), on September 6, 2022

Untitled by Pas (paxiti), on June 17, 2023

Untitled by Pas (paxiti), on June 21, 2023

To conserve space on the cartridge, Super Mario Bros. does not save information about every individual background tile in a level separately. Instead, common tile arrangements are represented in the code with a single object each, which allow them to take up a fraction of the space that storing each individual block's coordinate would.

In addition, if some of these objects are placed near each other, they will use a mathematical function called convolution to affect each other's shape to produce an object that is a combination of the two. The footage shows two staircase objects being dragged around in a level editor. Note how when they approach each other, they modify each other's shape, allowing the developers to create even more unique tile arrangements at even less cost.