Core Html5 Canvas
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Core HTML5 Canvas
One of HTML5’s most exciting features, Canvas provides a powerful 2D graphics API that lets you implement everything from word processors to video games. In Core HTML5 Canvas, best-selling author David Geary presents a code-fueled, no-nonsense deep dive into that API, covering everything you need to know to implement rich and consistent web applications that run on a wide variety of operating systems and devices. Succinctly and clearly written, this book examines dozens of real-world uses of the Canvas API, such as interactively drawing and manipulating shapes, saving and restoring the drawing surface to temporarily draw shapes and text, and implementing text controls. You’ll see how to keep your applications responsive with web workers when you filter images, how to implement smooth animations, and how to create layered, 3D scrolling backgrounds with parallax. In addition, you’ll see how to implement video games with extensive coverage of sprites, physics, collision detection, and the implementation of a game engine and an industrial-strength pinball game. The book concludes by showing you how to implement Canvas-based controls that you can use in any HTML5 application and how to use Canvas on mobile devices, including iOS5. This authoritative Canvas reference covers The canvas element—using it with other HTML elements, handling events, printing a canvas, and using offscreen canvases Shapes—drawing, dragging, erasing, and editing lines, arcs, circles, curves, and polygons; using shadows, gradients, and patterns Text—drawing, positioning, setting font properties; building text controls Images—drawing, scaling, clipping, processing, and animating Animations—creating smooth, efficient, and portable animations Sprites—implementing animated objects that have painters and behaviors Physics—modeling physical systems (falling bodies, pendulums, and projectiles), and implementing tweening for nonlinear motion and animation Collision detection—advanced techniques, clearly explained Game development—all aspects of game development, such as time-based motion and high score support, implemented in a game engine Custom controls—infrastructure for implementing custom controls; implementing progress bars, sliders, and an image panner Mobile applications—fitting Canvas apps on a mobile screen, using media queries, handling touch events, and specifying iOS5 artifacts, such as app icons Throughout the book, Geary discusses high-quality, reusable code to help professional developers learn everything they really need to know, with no unnecessary verbiage. All of the book’s code and live demonstrations of key techniques are available at corehtml5canvas.com.
Core HTML5 Canvas
"Core HTML5, Volume I: Canvas" takes a code-fueled, no-nonsense, deep dive into one of HTML5's most exciting APIs by showing readers how to draw and paint; apply shadows, patterns, and gradients; manipulate images; create smooth animations; implement video games; and more. The book also comes with a companion Web site which provides access to the book's source code, videos about HTML5 Canvas, and live demonstrations from the book.
Core HTML5 2D Game Programming
Game programming offers a wealth of creative and business opportunities, and it’s never been more accessible. In Core HTML5 2D Game Programming, best-selling author David Geary shows you how to use freely available browser tools and open source resources to create video games that run in desktop browsers and on mobile devices. Geary walks you step by step through every aspect of implementing a sophisticated arcade-style game entirely from scratch, without using proprietary game frameworks. Packed with code, this full-color tutorial gives you the in-depth understanding you need to design and build any kind of HTML5 2D game on your own, whether you use a framework or not. A clearly written, accessible, and exhaustive guide to implementing games, this book leaves no stone unturned, showing you how to Create smooth, flicker-free animations Implement motion that’s unaffected by your game’s underlying animation frame rate Animate sprites (graphical objects) to make them sparkle, explode, etc. Layer multi-channel sound effects on top of a soundtrack Warp time to create nonlinear effects, such as jumping or bouncing Control the flow of time through your game with a time system Implement particle systems that simulate natural phenomena Efficiently detect collisions between sprites Create a developer backdoor containing special features Use Node.js and socket.io to transfer real-time metrics to a server Employ a heads-up display to show high scores stored on a server Understand the nuances of implementing HTML5 games for mobile devices Through expertly written code that’s easy to understand, and prose that cuts to the chase, Geary illuminates every corner of game development. Everyone from novice game programmers to professional game developers will find this book invaluable as both a tutorial and a reference. All of the book’s source code, including chapter-specific versions of the game discussed in the book, are available at corehtml5games.com.