September 2011
Beginner
256 pages
6h 1m
English
book
Learning HTML5 Game Programming: Build Online Games with Canvas, SVG, and WebGL
by James L. Williams
Content preview from Learning HTML5 Game Programming: Build Online Games with Canvas, SVG, and WebGLBecome 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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5. Creating Games with the Canvas Tag
The Canvas (that is, the canvas tag) is what many think about when HTML5 is mentioned. Instead of creating a bunch of div elements with contained images with CSS to simulate movement and game play, you can use canvas to provide a surface to draw objects on the screen. Neither method is easier or harder, but each has different considerations. The Canvas has some built-in translation, rotation, scaling, and clipping, whereas with divs you have to handle transformations yourself. However, one advantage that games using div and CSS have over the Canvas is that older browsers, such as Internet Explorer 6, are supported. Hopefully, as more browsers become HTML5 compliant, this will become less of an issue.
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