July 2012
Intermediate to advanced
712 pages
24h 57m
English
Content preview from OpenGL Insights
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Antialiased Volumetric Lines
Using Shader-Based Extrusion
S
´
ebastien Hillaire
11.1 Introduction
The ability to render lines has always been an important feature in computer graph-
ics. Lines are useful for several purposes. They can be used as a debugging tool to
display vertex normals or to visualize triangles in order to evaluate the complexity
of a scene. Line rendering is also an important feature of CAD applications to help
users to better perceive silhouettes and shapes by emphasizing object edges, or for
GUI information like a wireframe cube around a selected object, gizmos, etc. Lines
are also used in several games such as PewPew [Geyelin 09
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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.
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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.