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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
160
technique VerBlur
{
pass Pass0
{
VertexShader = compile vs_1_1 PassThroughVertexShader();
PixelShader = compile ps_2_0 VerBlurPS();
}
}
You will get a nicely blurred image by combining the horizontal and vertical blurs:
List<string> ppEffectsList = new List<string>();
ppEffectsList.Add("HorBlur");
ppEffectsList.Add("VerBlur");
postProcessor.Parameters["xBlurSize"].SetValue(0.5f);
postProcessor.PostProcess(ppEffectsList);
The Glow Effect
As explained in the introduction of this recipe, you can obtain a glow effect by starting from
the blended image and blending in the original image a bit. This way, the original contours will
be sharpened.
This requires you to have the blurred image ...
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Publisher Resources

ISBN: 9781430218555Purchase Link