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    <p>You have a few options. It depends two things: whether the model is loaded or generated at runtime, and whether your multiple textures get combined into one or kept individual.</p> <p>If you have art skills or know an artist, probably the easiest approach is to get them to texture map the cylinder with as many textures as you want (multiple materials). You'd want your <code>Model</code> to have one mesh (<code>ModelMesh</code>) and one material (<code>ModelMeshPart</code>) per texture required. This is assuming the cylinders always have a fixed number of textures!. Then, to swap the textures at runtime you'd iterate through the <code>ModelMesh.Effects</code> collection, cast each to a <code>BasicEffect</code> and set it's <code>Texture</code> property. </p> <p>If you can't modify the model, you'll have to generate it. There's an example of this on the AppHub site: <a href="http://create.msdn.com/en-US/education/catalog/sample/primitives_3d" rel="nofollow">http://create.msdn.com/en-US/education/catalog/sample/primitives_3d</a>. It probably does not generate texture coordinates so you'd need to add them. If you wanted 5 images per cylinder, you should make sure the number of segments is a multiple of 5 and the V coordinate should go from 0 to 1, 5 times as it wraps around the cylinder. To keep your textures individual with this technique, you'd need to draw the cylinder in 5 chunks, each time setting the <code>GraphicsDevice.Textures[0]</code> to your current texture.</p> <p>With both techniques it would be possible to draw the cylinder in a single draw call, but you'd need to merge your textures into a single one using <code>Texture2D.GetData</code> and <code>Texture2D.SetData</code>. This is going to be more efficient, but really isn't worth the trouble. Well not unless you making some kind of crazy slot machine particle system anyway.</p>
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    1. POHow to texture a cylinder in XNA4 with multiple textures?
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    1. POHow to texture a cylinder in XNA4 with multiple textures?
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    1. COThe way I have it working right now is the model is loaded the standard way through the content pipeline. I thought about writing a program to generate a texture wrap, but I was hoping to avoid the extra work. Each reel will have 11 symbols on it. By dynamically loading the textures, I mean that when the slot machine window is started, it will load the 11 symbols, which will only be different when the user decides they want new ones. The changing of symbols doesn't happen at run-time, but before the program is run by a utility program.
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    2. COYour idea of splitting up the reel model into separate meshes sounds like a good idea. I'll look into how to do that. Right now I'm using Google SketchUp for simple model creation.
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    3. CORight. You will need to get the texture coordinates in there somehow, and I'm not sure if Sketchup will provide the control you need. It can probably be done but I wouldn't have the foggiest. This might help? http://www.youtube.com/watch?v=ILnIbp509cY&feature=related. Attempting to apply texture coordinates to a model loaded through the content pipeline is going to be much harder than just building the cylinder yourself. Truly, if SketchUp is giving you a headache, I'd start with that Primitives 3D link and add texturing to that.
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