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XNA 3.0 Game Programming Recipes: A Problem-Solution Approach
book

XNA 3.0 Game Programming Recipes: A Problem-Solution Approach

by Riemer Grootjans
May 2009
Intermediate to advanced content levelIntermediate to advanced
671 pages
18h 34m
English
Apress
Content preview from XNA 3.0 Game Programming Recipes: A Problem-Solution Approach
CHAPTER 2 ■ SETTING UP DIFFERENT CAMERA MODES IN YOUR 3D WORLD
148
Next, you set up a texture sampler stage in your graphics card, which is the variable you
will actually use later in your pixel shader to sample colors from. You link this sampler to the
textureyoujustdefinedandindicatewhattodoifyourcodeasksforthecolorofacoordinate
that does not correspond 100 percent to a pixel. Here you specify your sampler stage should
simply take the color of the nearest pixel.
Note A texture coordinate is a float2, with X and Y values between 0 and 1. Because these numbers
are floats, almost any operation on them will result in a very ...
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Publisher Resources

ISBN: 9781430218555Purchase Link