February 2014
Intermediate to advanced
330 pages
7h 11m
English
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Understanding scrolling
In this section, we will go over how horizontal and vertical scrolling work conceptually and mathematically.
Engage thrusters
In a horizontal scrolling game, the player sprite is always visible, but the non-player sprites can move in and out of the stage. The non-player sprites in the Hunger Run game include the background sprites (such as bricks) and interactive sprites (such as food items). Even when a sprite moves in and out of the stage, it still exists in the game space. In a 2D scrolling game, the game space can be represented as 2D grids, which consists of 2D unit grids as shown in the following screenshot. Each grid unit is the same size as the stage, 480 pixels in length (L) and 360 pixels in width (W).
To keep the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.