June 2015
Beginner
354 pages
8h 23m
English
Content preview from HTML5 Game Development by Example(Second Edition)Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Time for action – moving DOM objects by mouse input
We are going to create a traditional Ping Pong game. There is a paddle on both the left and right sides of the playground. A ball is placed in the middle of the playground. Players can control the right paddle and move it up and down by using the mouse. We will focus on the mouse input and leave the ball movement for a later section:
- Let's continue with our
pingpongdirectory. - Next, add a
playgroundobject inside thepingpongdata object in thejs/pingpong.jsfile. This stores variables that are related toplayground:// data definition var pingpong = { paddleA: { x: 50, y: 100, width: 20, height: 70 }, paddleB: { x: 320, y: 100, width: 20, height: 70 }, playground: { offsetTop: $("#playground").offset().top, ...
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