Showing posts with label computer animation. Show all posts
Showing posts with label computer animation. Show all posts

ZBrush 4 Sculpting for Games: Beginner's Guide Review

ZBrush 4 Sculpting for Games: Beginner's Guide
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ZBrush 4 Sculpting for Games: Beginner's Guide ReviewFirst of all: I only have the ebook-version of this book, so I can't say much about the quality of the printed version. The ebook-version however is in full color and of high quality.
The book is seperated into 16 chapters, including one about the basic 3D terminology for people completely new to 3D and a longer one about getting started with the zBrush interface for people coming from other 3D software or zBrush versions prior 4. The explanation of 3D-Terminology is short but enough for a complete beginner to follow the book. The book is aimed at game-artists but the infos and techniques presented troughout the book could also be applied to other areas as well. Each chapter starts with a short summary of what will be done during that chapter, key concepts are explained before being used. If a new or advanced technique is used while creating one of the models, there is a short and very useful "What just happened?" section that explains everything in detail. Another great feature of the book are the "Pop Quizzes" that are scattered throughout the book, these contain questions regarding the techniques you have learned during the chapters. So you can try and test yourself!
There are 4 main models that are being made in this book: A spooky tree, a sci-fi drone(featured on the cover), a creature(with fur and accesoires) and a harvester ship. So there are two hard-surface models and two organic ones created, which is really a good choice to cover nearly all of zBrush's features. All of these models are of a high quality. These 4 models are used to introduce zSpheres & zSketch, organic & hard-surface sculpting techniques, polypainting, extracting maps, preparing a model for a game and many more. Also there are numerous small tipps and tricks that are a nice addition to your zBrush workflow. Aside from the tutorials there is a useful overview of the parts of a game-asset pipeline in a studio and for which stages zBrush could be used.
The weakest part of the book is the cover, because all of the three other models of the book look more advanced, but maybe that's just my opinion.
All in all is this a great book and I can only recommend it, not only beginners but everyone trying to sharpen his/her zBrush skills!ZBrush 4 Sculpting for Games: Beginner's Guide Overview

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3D Game Textures, Second Edition: Create Professional Game Art Using Photoshop Review

3D Game Textures, Second Edition: Create Professional Game Art Using Photoshop
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3D Game Textures, Second Edition: Create Professional Game Art Using Photoshop ReviewIn contrast to the glowing reviews found here, I felt that I should warn potential buyers about the flaws of the book that most seem to disregard. The book reeks of missing information, behind the scenes manipulations that are not discussed and incorrect settings and values for filters and effects. I can and will list some examples of this:
Chapter 5, first tutorial: creating a base metal texture that will be used for all other textures in the chapter. If you compare your final result with what is present in the accompanying DVD, you will find that your image has a lot more contrast and does not tile nearly as well. I repeated the tutorial 4 times to double check myself but still ended up with a noticeably different texture. My brother, who is familiar with Photoshop, reviewed the steps with me and said that the Spotlight setting of the Lighting Effects filter was the primary culprit of this large amount of contrast. He recommended that I use Directional light instead of Spotlight (though the author specifically indicated Spotlight) and top off the image with a slight Levels adjustment. Lo and behold, my results were much closer to the what the author depicted. Additionally, while the book is geared towards beginners, the last step is this glowing gem:
"Copy the layer and offset it and erase the seams so you end up with a tileable image. Your image should look like Figure 5-2."
He does not explain how to copy and offset the image or erase the seams. Granted copying and possibly offsetting are pretty basic and easy to figure out, but "erasing the seams" is not. Do you use an eraser or a mask? If you use a mask, should you use a large, soft brush or a small, hard brush? What opacity setting should the brush have? In the end, I created a new layer and used a small healing brush that samples all layers to cover the seams. That was a technique I learned from Matt Kloskowski's excellent book "Layers: The complete guide to Photoshop's most powerful feature". That's a real book written by a real professional that doesn't hide anything from you and wont frustrate you with missing information or incorrect steps.
Later on in the same chapter for the Wall Panel tutorial at step 11, he instructs you to apply an Outer Glow to the working layer. He does not, however, tell you to change the default yellow color to black. In the end, his example image looks nice with deep shadows while yours ends up looking shallow and with ugly yellow blotches.
Another example is in chapter 4, Tiling Stones Using Edge Copy. The author asks you to find the source image on the DVD without giving you a name or path (normally this wouldn't matter but the directory structure in the DVD is nonsensical and needlessly convoluted). He then asks you to copy a section of the image to tile, except that the image he shows you is a highly touched up version of the source image in the DVD. Two pages later he writes a small side note that hints at the fact that he touched up the source image before doing the steps he told you to perform but doesn't bother to tell you the details. He explains that he cloned, re-sized and re-shaped several stones to give them a more uniform shape. And while this is vague enough as is to a beginner, he doesn't even mention that he adjusted the colors and tones on the source image to make it more monochromatic and easier to modify hue with overlays. He then has the audacity to claim "This process may take some time so be patient and get those edges clean". It is only a time consuming process if you follow the incomplete steps in this book and then try to fill in the gaps yourself. Anyone that knows the exact steps can wrap this up from source to tileable image in 15 minutes tops.
Ultimately, it is hard to recommend this book to beginners because it is incomplete and misguiding. I also cannot recommend it to Photoshop connoisseurs because they will call it out for what it really is: a lacking book written by someone that had a highly inflated sense of self worth and felt it pertinent to withhold "trade secrets" as many ignorant "professionals" of all careers do. The only reason I gave it 2 stars instead of one is because, at the very least, the book does offer a decent amount of guidance on achieving a uniform and consistent look, which is very crucial to creating believable 3D worlds, stylized or not. Additionally, some steps in the tutorials are fairly thought provoking and help paint a larger, if not vague, picture of the entire texture creation process. The last real value of this book is convenience because it has instructions for several textures of related themes, which is better than finding a mishmash of unrelated tutorials online.
If you do purchase this book, be prepared to fill in the gaps through lots of experimentation or supplementary sources. Do not make this your one-stop-shop for all things textures. You will be disappointed if you do.
You might think the fault is my own and that I am unable to learn from books without a guiding hand. I can assure you that is not the case. I have taught myself several programming languages and technologies from books alone without ever taking a single programming class in my life. I also happen to write code well enough to make a living out of it for the past 5 years. I have read dozens if not hundreds of instructional books on art (3D modeling, Photoshop, design, etc.) and technology. This is a sub-par learning source.3D Game Textures, Second Edition: Create Professional Game Art Using Photoshop Overview

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Character Development in Blender 2.5 Review

Character Development in Blender 2.5
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Character Development in Blender 2.5 ReviewThis book is an invaluable resource. As a long time 3d artist, I have picked up little tricks here and there that really bring pieces together well. Jonathan manages to cover these little tricks and more, assisting even the beginner 3D artist in creating a piece of art that feels well polished. A great book and a great read. Also, their website (blendercookie.com) is another amazing resource. Check it out.
The only con I have is the pictures in the book are kind of dark, but the included dvd remedies that nicely.Character Development in Blender 2.5 Overview

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Introducing ZBrush 4 Review

Introducing ZBrush 4
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Introducing ZBrush 4 ReviewThe depth of information contained in this book combined with the ease of its delivery are a must have for any Zbrush user. I've been intimidated with the Zbrush interface at times; clicking, searching and fumbling for the right buttons only to find myself having lost what little progress I had. This book clearly lays out step by step how to do various sculpting procedures with maximum efficiency for great results. I rely heavily on Zbrush at my workplace, Gentle Giant studios. Since each project is different from the last, it is important to adapt quickly to the needs of the project. I've had to rely on this book to guide me through tasks such as ZProjecting, Zsphere base mesh creation and mesh decimation, to name a few. This book has made my work flow faster, which in turn, make my bosses happier. You will not regret the purchase of this book!Introducing ZBrush 4 Overview

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