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A Hitchhiker's Guide to Virtual Reality
book

A Hitchhiker's Guide to Virtual Reality

by Karen McMenemy, Robin Stuart Ferguson
July 2007
Beginner to intermediate content levelBeginner to intermediate
604 pages
17h 36m
English
A K Peters/CRC Press
Content preview from A Hitchhiker's Guide to Virtual Reality
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14.3. Some Basic Shader Programs 373
Figure 14.3. Simulating a smooth sphere using the built-in fixed-functionality
Gouraud shader model (on the left) and Phong’s model (on the right) programmed
as a shader in the GPU.
functionality Gouraud shading model and our own programmable shaders
for Phong shading.
Listing 14.5 shows a shader program pair which emulates a very basic
Gouraud shading algorithm. Although simple, it shows the steps that are
essential in setting up a vertex shader: Transformation, lighting calculation,
surface color interpolation.
Phong’s shading model delivers a much better illusion of smoothing, but
at a price. The surface
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Publisher Resources

ISBN: 9781568814773