Thanks Every Body it Worked Like charm

I tried to disable it but it wouldn't work i know that i am doing something wrong in the render states (i am writing from college so not exact code) renderstate.EnableDepthBuffer = false; renderstate.EnableDepthBufferWriting = false; renderstate.DepthBufferFunction = CompareFunction.always; if i am wrong please correct ...

hi everybody i wanted to add Lens flare form the Sample here to my skydome now the problem is that the flare gets culled because the skyome is in front of it. i thought of clearing the device before doing the Occlusion check but then why would i do the Occlusion check besides the whole window will be flickering i don't know ...

try using the spotlights explained in the follwoing url   http://www.ziggyware.com/readarticle.php?article_id=177

try Riemers Tutorial on shaping the light here is the URL    http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series3/Shaping_the_light.php

You could use muiltiple passes one for each shader you want to apply to the model.

about the collision meshI Have used the way you told me but still the end variable 6016  whle the orignal mesh is about 15000 Vertex could you tell me how or why this happendthank you

the provlem was that i didn't convert it using the upgrade project template i manually moved it beacause the upgrade wizard  gave me an error  so there was binary files still left when i deleted them every thing works well nowthank you

thank you very much now every thing is going on right with sorting the verticesthere is another thing when i use my Effect in XNA 1.0 Refresh it works well but in 2.0 Beta it get an Exception that highlites the content.load() method saying ''Error loading ''Content\Effect''. This file was compiled using the wrong version of the XNA Framework.'' is ...

try turning of the cull mode like thisgraphics.GraphicsDevice.RenderState.CullMode = CullMode.None;hope it helps