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Tiling TexturesFrom Luke Ahearn's new book: 3D Game Art f/x and Design
In the following exercise, you'll use Photoshop to tile an image and then to smooth the edges of the tiles where they meet:
1. Start with a new Photoshop file and make it 400x400 pixels. For this exercise you can use an image of your own you would like to tile or simply take one from this book's companion CD-ROM.
2. Now choose Filter|Other|Offset (see Figure 2.9), and enter the following values: Horizontal 200 and Vertical 200. The Horizontal and Vertical values are the number of pixels needed to offset the image, so our 400-pixel image offset at a value of 200 pixels will move the image halfway across the canvas. Make sure that you have the Wrap Around option checked, and Preview if you would like to see the texture updated as you work. The Wrap Around option tells Photoshop to repeat the image and not simply move it over by the pixel value you enter.
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