1 00:00:00,240 --> 00:00:06,640 If you're at all like me, you wear the most sensible footwear on Earth. You 2 00:00:05,279 --> 00:00:10,719 occasionally get excited about the release of a bigname game title. You 3 00:00:08,800 --> 00:00:15,679 have at some point in the past heard a friend complain about a forementioned 4 00:00:12,880 --> 00:00:20,080 bigname game using the same worn out old engine. Or conversely have encountered 5 00:00:17,840 --> 00:00:25,359 the massive hype train that usually accompanies a shiny new engine. But 6 00:00:23,279 --> 00:00:30,880 these overly enthusiastic game journalists and downer type friends 7 00:00:27,680 --> 00:00:35,280 often neglect to explain what exactly a 8 00:00:30,880 --> 00:00:37,680 game engine is. So here we go. Firstly, 9 00:00:35,280 --> 00:00:42,640 they provide a rendering engine which allows designers to pair their 10 00:00:39,520 --> 00:00:45,360 in-housemade 2D images with 3D 11 00:00:42,640 --> 00:00:50,559 wireframes to create fully actualized models. Then usually one or several 12 00:00:48,559 --> 00:00:55,520 application programming interfaces such as the upcoming DirectX12 and Vulcan are 13 00:00:53,360 --> 00:01:00,800 used to furnish the rendering engine with efficient access to a systems 14 00:00:58,000 --> 00:01:05,439 processing and graphics hardware. Secondly, game engines must provide well 15 00:01:03,600 --> 00:01:10,159 everything else as well. There's the obvious stuff like physics or collision 16 00:01:08,240 --> 00:01:14,799 detection engines which account for general movement and the interaction 17 00:01:12,560 --> 00:01:20,000 between models like you know characters and the ground as well as stuff that you 18 00:01:18,080 --> 00:01:24,960 might not have considered before like realistic lighting effects with 19 00:01:22,159 --> 00:01:29,759 realistically bouncing light rays, realistic diffusion through different 20 00:01:26,960 --> 00:01:35,040 materials, and even crazy stuff like the scattering of light beneath the surface 21 00:01:32,159 --> 00:01:40,640 of a model's skin to give him natural looking rosy cheeks for example. And of 22 00:01:37,759 --> 00:01:46,880 course something thirdly has to keep our game subjects marching perpetually along 23 00:01:43,280 --> 00:01:48,720 the horizon. So AI engines are also 24 00:01:46,880 --> 00:01:53,439 pivotal to give our characters the ability to create Skynet inside of our 25 00:01:51,439 --> 00:01:59,360 No, just kidding. Usually an AI engine is more like a complex arrangement of 26 00:01:56,640 --> 00:02:05,040 behavior trees. But anyway, the point is that a game engine is the sciency 27 00:02:02,079 --> 00:02:09,840 programming skeleton that supports the game designers and lets them focus on 28 00:02:07,119 --> 00:02:13,440 the flesh, you know, the story and gameplay elements of their title instead 29 00:02:11,680 --> 00:02:17,760 of spending countless hours locked away in a room focused on like the sound. Oh 30 00:02:15,840 --> 00:02:22,800 yeah, don't forget sound and physics of like bouncing balls. Okay, so now that 31 00:02:20,239 --> 00:02:27,920 we have an idea of what game engines are for, the next obvious question is where 32 00:02:25,280 --> 00:02:32,160 do they come from? Well, son, let me tell you. When a man loves a woman and 33 00:02:30,080 --> 00:02:37,120 No, sorry, just just kidding. So, simply put, they come from well, a lot of 34 00:02:35,200 --> 00:02:40,720 money. There are open source game engines out there, but for the most 35 00:02:38,560 --> 00:02:45,120 part, no one is building game engines just to help a brother out. And there 36 00:02:43,040 --> 00:02:49,760 are a couple of main reasons for a developer to build one. Number one, your 37 00:02:47,440 --> 00:02:54,800 company, uh, let's say Epic, makers of Unreal Engine, or Valve, the makers of 38 00:02:52,239 --> 00:02:59,519 Source Engine, decides to focus on licensing this engine technology to 39 00:02:56,879 --> 00:03:03,440 smaller developers rather than trying to make every huge Blockbuster game from 40 00:03:01,760 --> 00:03:09,040 scratch or even the third episode of a blockbuster game. Number two, your 41 00:03:05,920 --> 00:03:11,040 company has the resources to absorb the 42 00:03:09,040 --> 00:03:15,920 multi-year investment into engine building to avoid paying out a 43 00:03:13,760 --> 00:03:21,040 percentage on future game sales. Blizzard would be a great example of 44 00:03:17,519 --> 00:03:23,840 this. Or number three, your company just 45 00:03:21,040 --> 00:03:28,879 can't find the right technology in a prepackaged engine and needs to build 46 00:03:26,560 --> 00:03:33,760 their own whether they like it or not. So that's it in a nutshell. achieving 47 00:03:31,040 --> 00:03:38,319 optimal cost efficiency and then in some cases anyway allocating those extra 48 00:03:36,080 --> 00:03:43,040 resources to other parts of production like paying these guys to do voice 49 00:03:40,799 --> 00:03:47,840 acting. Something I'm sure we all appreciate. And you know what else I 50 00:03:44,959 --> 00:03:52,000 appreciate? Fresh books. 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So if you're your own boss, use the 60 00:04:30,479 --> 00:04:35,759 tools that make you feel like a boss. And oh, don't forget to enter techquicki 61 00:04:34,320 --> 00:04:40,080 in the how did you hear about us section, by the way. So thanks for 62 00:04:38,560 --> 00:04:44,560 watching, guys. If you like this video, well, you know what to do. If you disliked it, well, you know what to do 63 00:04:42,479 --> 00:04:48,800 there, too. If you have a comment with suggestions for future fastest 64 00:04:46,000 --> 00:04:51,520 possibles, that's uh down below. And uh don't forget to subscribe for more 65 00:04:50,000 --> 00:04:55,840 videos like this and also check out our other channels. We got some pretty good 66 00:04:53,440 --> 00:05:00,320 stuff coming out on channels super fun lately, including one where you will see 67 00:04:58,240 --> 00:05:08,000 multiple members of Linus Media Group eat bugs. Yes, that will happen. Was it 68 00:05:03,600 --> 00:05:08,000 fun? 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