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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 4 ■ WORKING WITH MODELS
339
4-13. Gain Direct Access to Vertex Position Data
by Extending the Model Processor
The Problem
In your XNA project, you want to have access to the position of each vertex inside your Model
during runtime. This can be required if you need to do some very precise collision detection or
if you want to find certain points of your Model.
Although you can access the VertexBuffer of your Model from your regular XNA code, this
approach requires a lot of clumsy code and slows down your application because the vertex
data needs to be transferred from your graphics card to your main system memory.
The Solution
Extendthedefault ...
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Publisher Resources

ISBN: 9781430218555Purchase Link