The Ruby on Rails Tutorial: Learn Web Development With Rails by Michael Hartl

By Michael Hartl

The Ruby on Rails educational ebook and screencast sequence train you ways to enhance and install genuine, industrial-strength internet functions with Ruby on Rails, the open-source net framework that powers best web content reminiscent of Twitter, Hulu, GitHub, and the Yellow Pages.

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Extra resources for The Ruby on Rails Tutorial: Learn Web Development With Rails (3rd Edition)

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0 Chapter 14 is the capstone chapter, tying together many of the topics presented throughout the book. We have selected a sampling of advanced rendering techniques and show examples that demonstrate how to implement these features. This chapter includes rendering techniques such as per-pixel lighting using normal maps, environment mapping, particle systems, image postprocessing, procedural textures, shadow mapping, terrain rendering and projective texturing. 0. For just about everything you set, there is a corresponding way to get the current value.

This is useful for a wide range of techniques that perform animation on the GPU without any CPU intervention—for example, particle animation or physics simulation using render-to-vertex-buffer. •• Boolean occlusion queries—Enable the application to query whether any pixels of a draw call (or a set of draw calls) passes the depth test. This feature can be used within a variety of techniques, such as visibility determination for a lens flare effect as well as optimization to avoid performing geometry processing on objects whose bounding volume is obscured.

Similarly, EGL data types also begin with the prefix Egl and use an initial capital letter for each word making up the type name, except for EGLint and EGLenum. Table 1-1 briefly describes the EGL data types used. , glBlendEquation). Similarly, OpenGL ES data types also begin with the prefix GL. In addition, some commands might take arguments in different flavors. The flavors or types vary in terms of the number of arguments taken (one to four arguments), the data type of the arguments used (byte [b], unsigned byte [ub], short [s], unsigned short [us], int [i], and float [f]), and whether the arguments are passed as a vector (v).

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