Basics mechanics (building) [ENG]

The videogame will be rendered and visualized through a top-down camera, controlled through the mouse and the AWSD keys.

The UI has a part that indicates the money we have and another part with a button to open the build menu that lets us to build a wall and a wall with the space for a door.

When we want to build some part, if we got the money to do that, it will be shown with a blue tone and if we don't have the money to do that it will be shown with a red tone.