3 D Graphics

Download 3D Game Environments by Luke Ahearn PDF

By Luke Ahearn

ISBN-10: 0240808959

ISBN-13: 9780240808956

The final word source that will help you create triple-A caliber paintings for quite a few video game worlds; 3D video game Environments deals specified tutorials on developing 3D types, utilizing second artwork to 3D versions, and transparent concise suggestion on problems with potency and optimization for a 3D video game engine. utilizing Photoshop and 3ds Max as his basic instruments, Luke Ahearn explains tips to create reasonable textures from picture resource and makes use of numerous recommendations to painting dynamic and plausible video game worlds.

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Extra resources for 3D Game Environments

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Orientation to Game World Optimizations Figure 1-12 The interface and various windows of the NVIDIA tool as applied to masking and alpha. 17 18 3D Game Environments Figure 1-13 The interface and various windows of the NVIDIA tool as applied to the compression options. Orientation to Game World Optimizations expected to tile or repeat? Can you achieve the same effect with a more efficient solution? Can you use three small textures on multiple UV channels as opposed to one enormous texture? How much can you compress or reduce the resolution of an image and still maintain visual integrity?

This is because while masking simply either draws the pixel or not, transparency must look at two pixels (the source image pixel and the on-screen pixel behind it), consider the grayscale pixel of the alpha channel, and calculate the color of the final on-screen pixel. Technically what you are seeing isn’t real-world transparency, but rather a new image composed of a blending of two images that gives the illusion of transparency. Of course, NVIDIA makes a tool that allows for the rapid adjusting and viewing of textures before outputting them (Figure 1-12).

Orientation to Game World Optimizations can greatly speed up a game level, a major drawback to its use is that you can see objects pop in and out of existence. One method to remedy this is distance fog. Distance Fog As just mentioned, distance fog hides the popping in and out of culled objects (objects that suddenly disappear as they pass beyond the far clipping plane). But distance fog can also be used to increase the sense of distance, atmosphere, mood, and setting, through the use of color and other adjustable parameters.

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