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BioShock Infinite Lighting

198 点作者 jamesmiller5大约 11 年前

7 条评论

danso大约 11 年前
&gt; <i>Programmers don&#x27;t generally have reels, but we do have blogs. I&#x27;ve been explaining the rendering work I did on BioShock Infinite quite a bit due to recent events, and I thought it made sense to write some of it down here. For the bulk of development, I was the only on-site graphics programmer. As Principal Graphics Programmer I did quite a bit of implementation, but also coordinated and tasked any offsite rendering work.</i><p>Kudos to the OP...I wish more graphics programmers did this. I got into programming because I wanted to do game development but never got into it, but I&#x27;m still fascinated by the actual work...not so much the gameplay programming (though I love reading about design choices), but just, well, how it differs from web development. I loved programming in OpenGL, but I&#x27;ve wondered how much linear algebra you bounce in your head on a day-to-day basis in the professional world, and what is the equivalent to &quot;Rails&quot;, if any, for graphics work, and if there isn&#x27;t such a thing, what about graphics development makes such a conceptual framework impossible or unrealistic? And is graphics programming as constrained by the artist workflow as web development is constrained by content-makers&#x2F;writers?<p>---<p>And a little more both on and off topic: reading the OP makes me sad that Bioshock Infinite had such a beautifully-realized world...but focused a disproportionately amount of gameplay on how to best grind generic-policemens&#x27; faces with a meathook.
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GuiA大约 11 年前
I find this stuff fascinating; I used to mess with OpenGL quite a bit in high school&#x2F;college, but then moved to HCI in grad school and iOS dev&#x2F;backend web dev later when I moved into the industry.<p>I&#x27;d love to eventually work on that kind of stuff full time- how would one go about making the transition? Do you basically have to learn&#x2F;work on projects like this during your free time, and hope your &quot;portfolio&quot; gets you a job?
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gavanwoolery大约 11 年前
I&#x27;m a big proponent of unrealistic lighting in games, for two reasons:<p>1) Trying to simulate realistic lighting in realtime is a fool&#x27;s errand - even with every trick we know, lighting can never look completely realistic on today&#x27;s hardware.<p>2) There is a certain art to unrealistic lighting. We see reality all the time and it is fairly boring, why not take advantage of the simulation to produce something visually interesting? I recently revamped my lighting for an unrealistic, but stylistic look:<p><pre><code> http:&#x2F;&#x2F;i.imgur.com&#x2F;t1gC4ME.png</code></pre>
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cousin_it大约 11 年前
I want a lighting algorithm that handles static and dynamic geometry uniformly, with respect to lighting and shadows, and still manages to look &quot;good enough&quot;, if not necessarily cutting edge. Does such a thing exist?<p>The last such approach that I remember was Doom 3&#x27;s stencil shadows, but it handled only direct lighting. Now that people are used to approximate indirect lighting, we get these huge piles of hacks and we have to reinvent them for every new art style...
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jheriko大约 11 年前
Good article. Lots of high-level generic detail :)<p>&gt; Dynamic shadows from toggleable lights would be projected into this buffer using a MIN blend<p>Just wanted to quote this because as much as i love id and JC this bugged the crap out of me in Rage. Overlapping shadows from the same light source do not combine irl :P
vacri大约 11 年前
To me the lighting in Infinite was completely overwhelmed by everything looking like you were viewing it through a cloud of flour if the scene was &#x27;bright&#x27; at all. I nearly stopped playing several times because of that issue alone.
n1ghtmare_大约 11 年前
As a web developer this looks very complicated, reading stuff like this makes me feel useless. I wonder whether game developers feel the same reading about the web stack.
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