Creating a Star Field

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Now we'll build on the basic star field and make it a little more complex: [an error occurred while processing this directive] 1. Copy the star layer from above and increase the contrast dramatically. Choose Image|Adjust|Brightness/Contrast. Set the Contrast to +50.

Figure 2.36. Click for larger image.
2. Enlarge the layer by choosing Menu|Edit|Free Transform (Ctrl+T). Shift+hold to make the transform uniform, and drag the layer out a good bit beyond the edges of the canvas. Using this method you can make larger stars that are further apart and brighter. This adds greater depth and more realism to your sky. After you are satisfied with your work, press Enter. Photoshop will make the changes permanent.

3. Use the Magic Wand tool to select the black from this layer and delete it.
You now have a star field with more depth and variety (see Figure 2.36). Remember that you can move the larger upper layer about for randomness to the star pattern, and you can flip the layer vertically or horizontally.




Luke Ahearn has authored and co-authored several books and articles for the computer game industry including Awesome Game Creation: No Programming Required! (Charles River Media) and Designing 3D Games That Sell! (Charles River Media). Luke started Goldtree, a computer game development company, where he designed and developed several game titles including Dead Reckoning and Sorcerer. Currently, Luke is serving as Art Director/Development Consultant on The Army Game Project; as well as, employed as a professor of computer science at the Naval Postgraduate School.







Click to see Amazon's Best price!
Publisher: Coriolis Group www.coriolis.com
Author: Luke Ahearn
Audience: Game Developers
User Level: Intermediate to advanced
ISBN: 1-58880-100-4
Pages: 408
Price: 49.99 U.S. 77.99 Canada
Media: CD-ROM
Date Published: Sept. 2001


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