1 00:00:00,000 --> 00:00:03,140 Welcome back, my fellow game developers. 2 00:00:03,135 --> 00:00:05,075 In this video, when we run the game, 3 00:00:05,070 --> 00:00:07,040 you'll see we have lots of errors. 4 00:00:07,035 --> 00:00:08,285 We don't fix all of them, 5 00:00:08,280 --> 00:00:09,860 but we fixed most of them. 6 00:00:09,855 --> 00:00:12,545 So I'm going to go ahead and pick up the shotgun, 7 00:00:12,540 --> 00:00:13,700 pick up some coins, 8 00:00:13,695 --> 00:00:15,225 get hit by the spikes, 9 00:00:15,225 --> 00:00:16,655 go through the door, 10 00:00:16,650 --> 00:00:18,800 go through this portal. 11 00:00:18,795 --> 00:00:20,015 And there you go. 12 00:00:20,010 --> 00:00:22,620 You can see that I'm on the other side was my shotgun, 13 00:00:22,620 --> 00:00:24,570 was my pistol with my health, 14 00:00:24,570 --> 00:00:25,590 but it's not visible 15 00:00:25,590 --> 00:00:27,360 because we haven't tweak those things. 16 00:00:27,360 --> 00:00:29,400 But if we go to doing player scroll down, 17 00:00:29,400 --> 00:00:30,740 you'll notice we had 500. 18 00:00:30,735 --> 00:00:33,555 We cut it by the spikes and it's 490, 19 00:00:33,555 --> 00:00:35,255 even though we didn't do anything. 20 00:00:35,250 --> 00:00:38,310 So let's not waste any more time and let's get started. 21 00:00:38,310 --> 00:00:41,070 The things we learn in this video are very important, 22 00:00:41,070 --> 00:00:43,190 a bit cumbersome, but very important. 23 00:00:43,190 --> 00:00:45,040 So let's get stomped. 24 00:00:45,035 --> 00:00:46,915 O k. 25 00:00:46,910 --> 00:00:50,540 So currently we can go from level to level. 26 00:00:50,540 --> 00:00:52,670 We have options where we 27 00:00:52,670 --> 00:00:56,240 choose one of the random levels that we have. 28 00:00:56,240 --> 00:00:57,620 Obviously, there are a couple 29 00:00:57,620 --> 00:00:58,790 of things that we will need to 30 00:00:58,790 --> 00:01:00,080 tweak with the appearance of 31 00:01:00,080 --> 00:01:02,080 the door and disappearance and so on. 32 00:01:02,075 --> 00:01:04,825 I feel there is still a bit of tweaking left, 33 00:01:04,820 --> 00:01:07,510 but there is a even greater problem. 34 00:01:07,505 --> 00:01:10,295 And that is once we pick up the coins, 35 00:01:10,295 --> 00:01:14,035 the weapon, and get hit by these bikes or something. 36 00:01:14,030 --> 00:01:15,100 Let me show you. 37 00:01:15,095 --> 00:01:16,645 When we pick up the shotgun, 38 00:01:16,640 --> 00:01:17,840 pick up some money, 39 00:01:17,840 --> 00:01:19,910 get hit by the spikes. 40 00:01:19,910 --> 00:01:23,530 There we go. So we can see our life is for 9500, 41 00:01:23,525 --> 00:01:25,835 we go to a number level. 42 00:01:25,835 --> 00:01:29,555 Maybe this will be, and you can see right now, 43 00:01:29,555 --> 00:01:32,065 whereas the player, if I 44 00:01:32,060 --> 00:01:35,780 look at D1 player, he is detached. 45 00:01:35,780 --> 00:01:37,490 He's not there. So you can see 46 00:01:37,490 --> 00:01:39,470 that his life is back to 50. 47 00:01:39,470 --> 00:01:41,710 If I tried to choose the shotgun, 48 00:01:41,705 --> 00:01:43,525 I cannot. And there you go. 49 00:01:43,520 --> 00:01:45,590 You can see that the coins are 50 00:01:45,590 --> 00:01:48,530 0 and that is something that we will want to 51 00:01:48,530 --> 00:01:51,380 change to make sure that our player actually 52 00:01:51,380 --> 00:01:54,380 keeps everything with him as he goes through the level. 53 00:01:54,380 --> 00:01:56,600 So let's go ahead and just do that. 54 00:01:56,600 --> 00:01:58,010 So I'm going to open up 55 00:01:58,010 --> 00:02:00,020 my scripts in here and I'm going to 56 00:02:00,020 --> 00:02:04,210 go to the player controller, scroll up. 57 00:02:04,205 --> 00:02:07,415 And what we want is obviously we want to keep 58 00:02:07,415 --> 00:02:08,995 our weapons from level to 59 00:02:08,990 --> 00:02:11,570 level and the health of the player. 60 00:02:11,570 --> 00:02:13,070 So to keep that, 61 00:02:13,070 --> 00:02:16,430 we need to make sure that we do not destroy the player. 62 00:02:16,430 --> 00:02:18,770 We can save it on some other object 63 00:02:18,770 --> 00:02:21,530 or somewhere in the project. 64 00:02:21,530 --> 00:02:23,600 But obviously there is, 65 00:02:23,600 --> 00:02:25,180 the problem was loading 66 00:02:25,175 --> 00:02:27,725 a new scene which resets everything. 67 00:02:27,725 --> 00:02:31,205 So what I'm going to do is in here I'm going to create 68 00:02:31,205 --> 00:02:35,335 a public static player controller. 69 00:02:35,330 --> 00:02:38,060 And it's going to be the instance. 70 00:02:38,060 --> 00:02:40,510 And in the instance I'm going to 71 00:02:40,505 --> 00:02:42,595 create a private or know what, 72 00:02:42,590 --> 00:02:44,920 let's just write awake. 73 00:02:44,915 --> 00:02:46,855 And in here I'm going to say that 74 00:02:46,850 --> 00:02:50,620 the instance is equal to this. 75 00:02:50,615 --> 00:02:55,175 And then in here I'm going to don't destroy on load. 76 00:02:55,175 --> 00:02:57,725 And it will be this. 77 00:02:57,725 --> 00:03:01,105 So if I save this and hover over onto don't destroy load, 78 00:03:01,100 --> 00:03:02,630 you can see that to not destroy 79 00:03:02,630 --> 00:03:05,440 the target object when loading a new scene. 80 00:03:05,435 --> 00:03:07,445 And that's exactly what we want. 81 00:03:07,445 --> 00:03:09,025 So what will happen now? 82 00:03:09,020 --> 00:03:12,590 The object or the player and our case, 83 00:03:12,590 --> 00:03:14,360 we'll keep everything that he 84 00:03:14,360 --> 00:03:16,310 had with him from scene to scene. 85 00:03:16,310 --> 00:03:17,530 It will not be destroyed, 86 00:03:17,525 --> 00:03:19,505 it will not be reinstantiated. 87 00:03:19,505 --> 00:03:21,655 But there is the problem that 88 00:03:21,650 --> 00:03:23,770 the start will not be called the Gap. 89 00:03:23,765 --> 00:03:26,135 So we will not be setting the main camera. 90 00:03:26,135 --> 00:03:27,865 We will keep the player animator, 91 00:03:27,860 --> 00:03:29,660 but the main camera will change. 92 00:03:29,660 --> 00:03:31,730 And you'll see that this will produce a lot of 93 00:03:31,730 --> 00:03:34,630 errors that we will fix as we move on. 94 00:03:34,625 --> 00:03:36,445 But for now, understand the don't 95 00:03:36,440 --> 00:03:39,260 destroy load and what it does. 96 00:03:39,260 --> 00:03:41,650 Now, I'm going to go back in here. 97 00:03:41,645 --> 00:03:44,435 And if you look at the, 98 00:03:44,435 --> 00:03:45,655 where is it, the room, 99 00:03:45,650 --> 00:03:48,230 the portal, I've changed the portal one, 100 00:03:48,230 --> 00:03:50,950 which is this one, to go to level four. 101 00:03:50,945 --> 00:03:53,015 So we can go to the cowardly. 102 00:03:53,015 --> 00:03:58,105 And let me just go to the scenes because I was 103 00:03:58,100 --> 00:03:59,860 trying something out and I turned 104 00:03:59,855 --> 00:04:03,175 off the dome player in here. So there we go. 105 00:04:03,170 --> 00:04:04,420 That be turned him on. 106 00:04:04,415 --> 00:04:05,825 Let's save that. 107 00:04:05,825 --> 00:04:14,585 Let's go back to wait for this to load any day now, 108 00:04:14,585 --> 00:04:17,275 save that back to where we're serving. 109 00:04:17,270 --> 00:04:19,490 The skull is where we have Kelly's. 110 00:04:19,490 --> 00:04:20,890 Yep, We were a skeleton. 111 00:04:20,890 --> 00:04:22,030 So save that. 112 00:04:22,025 --> 00:04:24,875 And you'll notice in the hierarchy right now, 113 00:04:24,875 --> 00:04:28,865 and unity, the new update, sorry, it's terrible. 114 00:04:28,865 --> 00:04:31,615 So in the hierarchy you'll notice that we have the don't 115 00:04:31,610 --> 00:04:35,090 destroy it up and it has the doom play or under it. 116 00:04:35,090 --> 00:04:37,150 So I'm going to pick up the shotgun, 117 00:04:37,145 --> 00:04:40,235 become the Bitcoins get hit by the spikes, 118 00:04:40,235 --> 00:04:43,205 open up the door, moved to level 4. 119 00:04:43,205 --> 00:04:44,915 And there we go. 120 00:04:44,915 --> 00:04:46,735 And you can see that now I am here, 121 00:04:46,730 --> 00:04:48,100 but the problem is, 122 00:04:48,095 --> 00:04:51,325 you can see a player down and I layer up here. 123 00:04:51,320 --> 00:04:53,350 So now we have two players. 124 00:04:53,345 --> 00:04:56,245 One of them has a shotgun, the other doesn't. 125 00:04:56,240 --> 00:05:00,140 And you can see we have a ton of errors and the cons. 126 00:05:00,140 --> 00:05:02,120 So I'm going to open up the console. 127 00:05:02,120 --> 00:05:03,970 I'm going to pause the game. 128 00:05:03,965 --> 00:05:06,295 And first of all, we have the doom player. 129 00:05:06,290 --> 00:05:09,160 And here this is a debug I was showing. 130 00:05:09,155 --> 00:05:10,435 Let me delete this. 131 00:05:10,430 --> 00:05:12,440 You'll see what I mean in just a bit. 132 00:05:12,440 --> 00:05:14,090 I'm going to delete this. 133 00:05:14,090 --> 00:05:14,600 Next. 134 00:05:14,600 --> 00:05:16,090 We will have the, 135 00:05:16,085 --> 00:05:17,785 this arrow right here, 136 00:05:17,780 --> 00:05:21,020 which is okay, so this is the problems at all. 137 00:05:21,020 --> 00:05:23,500 We'll fix this in the later video. 138 00:05:23,495 --> 00:05:25,135 Then finally we have 139 00:05:25,130 --> 00:05:27,620 the object of type camera has been destroyed. 140 00:05:27,620 --> 00:05:29,840 You are still trying to access it. 141 00:05:29,840 --> 00:05:31,310 So I'm going to double-click in 142 00:05:31,310 --> 00:05:33,200 here and it's the main camera, 143 00:05:33,200 --> 00:05:35,530 and it's exactly what I told you about. 144 00:05:35,525 --> 00:05:39,425 So now that we know that our player is transitioning, 145 00:05:39,425 --> 00:05:41,305 and we can see right here in the scene, 146 00:05:41,300 --> 00:05:43,130 if I click on the doom player, 147 00:05:43,130 --> 00:05:44,690 which is the don't destroy, 148 00:05:44,690 --> 00:05:46,070 we have to do player, 149 00:05:46,070 --> 00:05:47,570 so we'll have to fix that. 150 00:05:47,570 --> 00:05:49,850 But one of them still has the shotgun. 151 00:05:49,850 --> 00:05:51,460 So technically, he will be 152 00:05:51,455 --> 00:05:53,705 able to move with that shotgun. 153 00:05:53,705 --> 00:05:55,795 And I look on the tomb player, 154 00:05:55,790 --> 00:05:58,790 scroll down to his health and you can see that the, 155 00:05:58,790 --> 00:06:01,140 his current health has also transition. 156 00:06:01,144 --> 00:06:02,724 Unfortunately, there is still 157 00:06:02,720 --> 00:06:04,640 the problem of the bitcoins, 158 00:06:04,640 --> 00:06:06,650 but we will fix that step-by-step. 159 00:06:06,649 --> 00:06:08,569 Let's first of all start off with 160 00:06:08,570 --> 00:06:11,480 managing the double layer standards. 161 00:06:11,480 --> 00:06:13,810 So this is something that we will need to address. 162 00:06:13,805 --> 00:06:16,235 And how are we going to adjust this? 163 00:06:16,235 --> 00:06:19,555 Well, there is a very nifty trick that we can use, 164 00:06:19,550 --> 00:06:21,670 which is called a singleton pattern. 165 00:06:21,665 --> 00:06:23,425 Let me show you using 166 00:06:23,420 --> 00:06:25,940 code what that is and then we will explain. 167 00:06:25,940 --> 00:06:28,000 So first of all, in here on awake, 168 00:06:27,995 --> 00:06:30,415 instead of immediately setting the instance, 169 00:06:30,410 --> 00:06:34,670 I'm going to say that if we don't have an instance, 170 00:06:34,670 --> 00:06:37,310 so the instance is 171 00:06:37,310 --> 00:06:39,620 amines are if we already have an instance, 172 00:06:39,620 --> 00:06:41,390 so it's different than null, 173 00:06:41,390 --> 00:06:47,980 and the instance is different than this. 174 00:06:47,975 --> 00:06:50,725 Then what I'm going to do is I'm going to 175 00:06:50,720 --> 00:06:55,620 destroy this game object. 176 00:06:55,870 --> 00:06:59,420 So what am I doing exactly in here? 177 00:06:59,420 --> 00:07:02,060 I'm going to check as soon as we await. 178 00:07:02,060 --> 00:07:05,120 Is the instance different than null. 179 00:07:05,120 --> 00:07:08,230 So that means if the instance is not null, 180 00:07:08,225 --> 00:07:10,355 I'm going to destroy the game object. 181 00:07:10,355 --> 00:07:12,535 But there is another thing 182 00:07:12,530 --> 00:07:15,460 if the instance is different than this. 183 00:07:15,455 --> 00:07:17,135 So what I'm doing in here, 184 00:07:17,135 --> 00:07:19,045 as I'm starting the game off, 185 00:07:19,040 --> 00:07:22,240 I'm checking if we either have an instance already 186 00:07:22,235 --> 00:07:25,265 or the instance is equal to this game object, 187 00:07:25,265 --> 00:07:27,665 I'm going to destroy this game object. 188 00:07:27,665 --> 00:07:29,795 And this will ensure that we, 189 00:07:29,795 --> 00:07:31,145 first of all don't create 190 00:07:31,145 --> 00:07:33,475 a second instance of this game object. 191 00:07:33,470 --> 00:07:34,790 And second of all, 192 00:07:34,790 --> 00:07:38,330 we don't duplicate the object that is already in here. 193 00:07:38,330 --> 00:07:40,310 So if we go to a new scene 194 00:07:40,310 --> 00:07:42,790 and we find that we have in a game object, 195 00:07:42,785 --> 00:07:44,725 it will be destroyed immediately. 196 00:07:44,720 --> 00:07:48,290 But else, in case we don't have an instance, 197 00:07:48,290 --> 00:07:50,210 so we're starting the game all over again, 198 00:07:50,210 --> 00:07:52,310 or when we start a new scene and there 199 00:07:52,310 --> 00:07:54,850 is no instance that is equal to this, 200 00:07:54,845 --> 00:08:00,185 then I'm going to say that instance as equal to this. 201 00:08:00,185 --> 00:08:02,635 This will just create a new instance. 202 00:08:02,630 --> 00:08:04,970 And this will make sure that we do not have 203 00:08:04,970 --> 00:08:09,130 two instances or that there is already one available. 204 00:08:09,125 --> 00:08:10,855 So I'm going to save that and I'm 205 00:08:10,850 --> 00:08:12,830 going to demonstrate how this will 206 00:08:12,830 --> 00:08:16,720 work and buckle up because we will have many errors. 207 00:08:16,715 --> 00:08:18,325 And I was testing this out to make 208 00:08:18,320 --> 00:08:21,230 sure I can properly manage everything. 209 00:08:21,230 --> 00:08:22,520 So I pick up the coins, 210 00:08:22,520 --> 00:08:24,370 I get hit for 90, 211 00:08:24,365 --> 00:08:28,255 open up the door, and I'm going to hit the portal, 212 00:08:28,250 --> 00:08:30,580 move away from it. And there we go. 213 00:08:30,575 --> 00:08:32,015 So you can see right now, 214 00:08:32,015 --> 00:08:33,545 I don't have a team player. 215 00:08:33,545 --> 00:08:36,275 The second player has been destroyed. 216 00:08:36,275 --> 00:08:39,175 That's because it checked and it's awake. 217 00:08:39,170 --> 00:08:40,460 Is there an instance? 218 00:08:40,460 --> 00:08:42,920 Is instance different than null? 219 00:08:42,920 --> 00:08:44,690 Yes, it was. 220 00:08:44,690 --> 00:08:47,650 And is instance equal to this? 221 00:08:47,645 --> 00:08:51,565 Yes, it was. So we are going to go ahead and destroy. 222 00:08:51,560 --> 00:08:54,070 So back in here you'll see that we have 223 00:08:54,065 --> 00:08:56,795 only 12 employer which has a shotgun. 224 00:08:56,795 --> 00:08:57,775 He can shoot. 225 00:08:57,770 --> 00:09:00,980 He cannot point and he cannot change his weapon, 226 00:09:00,980 --> 00:09:02,780 but he does have the shotgun. 227 00:09:02,780 --> 00:09:04,690 He is animating, 228 00:09:04,685 --> 00:09:07,325 everything is working and you'll notice that 229 00:09:07,325 --> 00:09:09,565 he is in the same position that 230 00:09:09,560 --> 00:09:11,870 he was in the previous scene. 231 00:09:11,870 --> 00:09:13,550 And that's because he will actually 232 00:09:13,550 --> 00:09:15,580 keep that with him as he moves. 233 00:09:15,575 --> 00:09:17,975 So you'll notice that when I entered the portal, 234 00:09:17,975 --> 00:09:19,765 I then moved away because I didn't 235 00:09:19,760 --> 00:09:21,940 want to stay in that portal. 236 00:09:21,935 --> 00:09:23,515 So with that information, 237 00:09:23,510 --> 00:09:26,560 after all the way, Let's see what errors we have in here. 238 00:09:26,555 --> 00:09:29,425 So I'm going to pause because there is a lot. 239 00:09:29,420 --> 00:09:34,330 So first of all, you'll see the problem with the camera, 240 00:09:34,325 --> 00:09:36,215 which we will fix in just a bit. 241 00:09:36,215 --> 00:09:37,885 You'll see that we have a problem 242 00:09:37,880 --> 00:09:39,320 with the cowardly enemies. 243 00:09:39,320 --> 00:09:42,740 They are trying to find the object which is the player, 244 00:09:42,740 --> 00:09:44,330 but they simply cannot. 245 00:09:44,330 --> 00:09:46,400 Not only that, it's telling us that 246 00:09:46,400 --> 00:09:48,590 the object transform has been destroyed, 247 00:09:48,590 --> 00:09:50,720 but you are still trying to access it. 248 00:09:50,720 --> 00:09:52,250 What do they mean by that? 249 00:09:52,250 --> 00:09:55,090 Well, as soon as they came into this world, 250 00:09:55,085 --> 00:09:58,845 they saw the little doom player that was here initially. 251 00:09:58,849 --> 00:10:01,039 And then when the scene started, 252 00:10:01,040 --> 00:10:04,220 he got destroyed and they were still trying to access. 253 00:10:04,220 --> 00:10:05,930 And if we double-click in here, 254 00:10:05,930 --> 00:10:08,690 you'll notice it's right here on the player chase. 255 00:10:08,690 --> 00:10:11,380 So the whole problem is with the player Chase. 256 00:10:11,375 --> 00:10:13,625 Obviously we will be fixing that also, 257 00:10:13,625 --> 00:10:15,155 the camera will be fixed. 258 00:10:15,155 --> 00:10:17,965 And finally, this one problem is also here and 259 00:10:17,960 --> 00:10:21,110 the player game object active and hierarchy. 260 00:10:21,110 --> 00:10:24,170 So all of this will be fixed and just a bit. 261 00:10:24,170 --> 00:10:26,210 So I'm going to unpause this and let's 262 00:10:26,210 --> 00:10:28,630 handle the problems one at a time. 263 00:10:28,625 --> 00:10:33,065 So stop this, open this up, the game start. 264 00:10:33,065 --> 00:10:35,035 So open the scripts up. 265 00:10:35,030 --> 00:10:36,200 And what shall we do? 266 00:10:36,200 --> 00:10:38,030 First of all, first I think let's 267 00:10:38,030 --> 00:10:40,000 handle the problem of the main camera. 268 00:10:39,995 --> 00:10:46,195 So if we go to the player controller where we use the 269 00:10:46,190 --> 00:10:47,990 Main camera. Let's double-click 270 00:10:47,990 --> 00:10:49,760 on Main Camera and scroll down, 271 00:10:49,760 --> 00:10:51,730 see where we use it. 272 00:10:51,725 --> 00:10:52,955 We use it. 273 00:10:52,955 --> 00:10:55,445 There we go, in the pointing the gun. 274 00:10:55,445 --> 00:10:58,555 So in here I'm simply moment to check if 275 00:10:58,550 --> 00:11:02,650 the main camera is equal to null. 276 00:11:02,645 --> 00:11:04,405 That means we don't have a camera. 277 00:11:04,400 --> 00:11:07,190 I'm going to say that main camera is 278 00:11:07,190 --> 00:11:10,450 equal to camera dot main. 279 00:11:10,445 --> 00:11:12,295 And this will only happen once we 280 00:11:12,290 --> 00:11:14,330 check is the camera null. 281 00:11:14,330 --> 00:11:15,920 That means we don't have a reference. 282 00:11:15,920 --> 00:11:18,020 If it is, then we will set the main camera. 283 00:11:18,020 --> 00:11:20,800 Again. If not, we will just continue on regular, 284 00:11:20,795 --> 00:11:23,995 regularly with the pointing a gun at most. 285 00:11:23,990 --> 00:11:25,910 So back in our game will run. 286 00:11:25,910 --> 00:11:29,600 The game will take up this one, opening. Anything else? 287 00:11:29,600 --> 00:11:31,580 We will go through this. 288 00:11:31,580 --> 00:11:33,590 And on the other side, 289 00:11:33,590 --> 00:11:35,230 we shall see in the scene. 290 00:11:35,225 --> 00:11:38,155 There we go. You can see that I'm able to point this out, 291 00:11:38,150 --> 00:11:39,740 but obviously there is, 292 00:11:39,740 --> 00:11:41,650 the camera in the game world 293 00:11:41,645 --> 00:11:43,325 isn't focusing on the player. 294 00:11:43,325 --> 00:11:44,785 And this is something that we will 295 00:11:44,780 --> 00:11:46,910 obviously need to flex. 296 00:11:46,910 --> 00:11:48,670 So let's get to fixing. 297 00:11:48,665 --> 00:11:51,175 I'm going to go into my scripts. 298 00:11:51,170 --> 00:11:54,500 And in here while we're shall we call this, 299 00:11:54,500 --> 00:11:57,140 Where should we call this? 300 00:11:57,140 --> 00:12:00,380 Let's see, where did we put the shape camera? 301 00:12:00,380 --> 00:12:02,170 Can we know? 302 00:12:02,165 --> 00:12:04,525 We don't know what? 303 00:12:04,520 --> 00:12:05,540 Let's just go into 304 00:12:05,540 --> 00:12:09,360 the scripts and put it inside of the managers. 305 00:12:10,090 --> 00:12:13,760 Managers, managers, managers. 306 00:12:13,760 --> 00:12:15,050 There is no managers. 307 00:12:15,050 --> 00:12:15,410 Okay. 308 00:12:15,410 --> 00:12:17,720 So managers for some reason, our cameras. 309 00:12:17,720 --> 00:12:19,580 There we go. So and the cameras, 310 00:12:19,580 --> 00:12:22,520 I'm going to create a camera control 311 00:12:22,520 --> 00:12:26,540 or camera camp controller. 312 00:12:26,540 --> 00:12:29,930 Hit Enter, wait for it to compile. 313 00:12:29,930 --> 00:12:32,120 Double-click in here, and 314 00:12:32,120 --> 00:12:33,940 I'm going to do a couple of things. 315 00:12:33,935 --> 00:12:36,715 So what? I'm always doing a couple of things. 316 00:12:36,710 --> 00:12:39,010 So what are the things that we are going to do? 317 00:12:39,005 --> 00:12:41,375 First of all, what we want to do in here is 318 00:12:41,375 --> 00:12:44,035 always find the player target automatically. 319 00:12:44,030 --> 00:12:46,970 So previously what we used to do is if we went into 320 00:12:46,970 --> 00:12:50,380 the camera right here and to the virtual camp, 321 00:12:50,375 --> 00:12:52,205 we said the follow player. 322 00:12:52,205 --> 00:12:54,935 And the problem is when we go to a new world, 323 00:12:54,935 --> 00:12:56,695 let me show you in detail, 324 00:12:56,695 --> 00:12:58,075 should have shown you before. 325 00:12:58,070 --> 00:12:59,450 So if I, for example, 326 00:12:59,450 --> 00:13:00,650 here I have the player, 327 00:13:00,650 --> 00:13:02,690 I click on him, he's in the hierarchy. 328 00:13:02,690 --> 00:13:04,100 I opened up the door, 329 00:13:04,100 --> 00:13:06,410 I call to another level. 330 00:13:06,410 --> 00:13:09,830 You'll notice right now if I open up the cameras again, 331 00:13:09,830 --> 00:13:12,440 which are exactly the same virtual camera, 332 00:13:12,440 --> 00:13:14,390 you can see that the follow is missing, 333 00:13:14,390 --> 00:13:15,590 so there is no player. 334 00:13:15,590 --> 00:13:18,470 Why? Because we have set the player before, 335 00:13:18,470 --> 00:13:20,290 but now he was destroyed. 336 00:13:20,285 --> 00:13:23,485 He's missing, so we need to find them all over again. 337 00:13:23,480 --> 00:13:26,720 So in here I'm going to open this up and I'm going 338 00:13:26,720 --> 00:13:30,190 to create a variable which is the player to chase, 339 00:13:30,185 --> 00:13:32,125 which is obviously going to be, 340 00:13:32,120 --> 00:13:36,880 let's see, the transform or no atlas just make him the 341 00:13:36,875 --> 00:13:42,425 layer controller layer to look at. 342 00:13:42,425 --> 00:13:46,235 And he's going to be equal to find an object of type. 343 00:13:46,235 --> 00:13:48,175 The player, oh, no, 344 00:13:48,170 --> 00:13:49,910 no, no, not here. 345 00:13:49,910 --> 00:13:52,010 Costs down and start. 346 00:13:52,010 --> 00:13:54,500 We are going to say that the layer to look 347 00:13:54,500 --> 00:13:57,760 at is equal to find objects of type, 348 00:13:57,755 --> 00:14:00,695 and it's going to be the player controller. 349 00:14:00,695 --> 00:14:02,305 Now we have a reference to 350 00:14:02,300 --> 00:14:03,860 the player controller that's 351 00:14:03,860 --> 00:14:06,160 also create a virtual camera. 352 00:14:06,155 --> 00:14:08,755 So, so cinema machine, 353 00:14:08,750 --> 00:14:11,590 virtual camera also inherit we need to 354 00:14:11,585 --> 00:14:15,005 double and C using cin, a machine. 355 00:14:15,005 --> 00:14:16,585 There we go, Save that. 356 00:14:16,580 --> 00:14:18,920 So cinema machine, 357 00:14:18,920 --> 00:14:24,820 cinema machine virtual camera, thank you. 358 00:14:24,815 --> 00:14:28,565 Is going to be the verb. 359 00:14:30,540 --> 00:14:33,090 Virtual camera. 360 00:14:33,085 --> 00:14:36,345 And we're going to set it in here as soon as we start. 361 00:14:36,340 --> 00:14:40,080 So it's going to be equal to get component. 362 00:14:40,075 --> 00:14:42,115 And where are we engineer? 363 00:14:42,115 --> 00:14:44,775 Where shall we attach the camera controller? 364 00:14:44,770 --> 00:14:47,610 We might want to attach it in the lecture. 365 00:14:47,605 --> 00:14:49,335 We will attach to the virtual cameras 366 00:14:49,330 --> 00:14:50,350 so we can immediately 367 00:14:50,350 --> 00:14:53,880 access the same machine virtual camera in here. 368 00:14:53,875 --> 00:14:57,235 So get component. 369 00:14:57,235 --> 00:15:05,215 And it's going to be the cinema machine virtual camera. 370 00:15:05,215 --> 00:15:08,835 There we go. And what are we going to do in here? 371 00:15:08,830 --> 00:15:12,390 Well, we are going to set the virtual camera up 372 00:15:12,385 --> 00:15:14,755 top follow to be equal to 373 00:15:14,750 --> 00:15:18,520 the layer to look at dot transform. 374 00:15:18,515 --> 00:15:20,495 So this will be at the start, 375 00:15:20,495 --> 00:15:23,635 but an update, we will need to create a while loop. 376 00:15:23,630 --> 00:15:26,030 So we've covered already while loops. 377 00:15:26,030 --> 00:15:29,330 And it's going to be checking for the player 378 00:15:29,330 --> 00:15:32,600 to look at while he is equal to null. 379 00:15:32,600 --> 00:15:35,110 That means we haven't found a player yet. 380 00:15:35,105 --> 00:15:39,055 We are going to keep searching for the player to look at. 381 00:15:39,050 --> 00:15:41,740 Keep finding the player controller 382 00:15:41,735 --> 00:15:43,615 until we finally find them. 383 00:15:43,610 --> 00:15:44,810 Once we find them, 384 00:15:44,810 --> 00:15:48,490 if we do have a virtual camera. 385 00:15:48,485 --> 00:15:52,355 So this is just an extra step to avoid any errors. 386 00:15:52,355 --> 00:15:55,815 The virtual camera not follow. 387 00:15:55,815 --> 00:15:58,935 Will be equal to the player. 388 00:15:58,930 --> 00:16:02,640 We will save that. And let's look again once what we did. 389 00:16:02,635 --> 00:16:03,975 So first of all, we created 390 00:16:03,970 --> 00:16:06,190 the player controller, which will, 391 00:16:06,190 --> 00:16:07,540 which is a variable that we'll 392 00:16:07,540 --> 00:16:09,250 look at players to look at, 393 00:16:09,250 --> 00:16:10,300 which is a variable of 394 00:16:10,300 --> 00:16:12,910 the player controller, a virtual camera. 395 00:16:12,910 --> 00:16:14,560 These are all private. 396 00:16:14,560 --> 00:16:15,690 We can name the private. 397 00:16:15,685 --> 00:16:17,385 I just didn't have the time. 398 00:16:17,380 --> 00:16:19,260 You know what, let's just make sure 399 00:16:19,255 --> 00:16:22,005 that we don't have any confusions in here. 400 00:16:22,000 --> 00:16:23,380 So private, private because we 401 00:16:23,380 --> 00:16:24,940 won't need them in the inspector. 402 00:16:24,940 --> 00:16:26,110 We can set M if we want. 403 00:16:26,110 --> 00:16:28,060 We don't have to. Then start. 404 00:16:28,055 --> 00:16:30,405 We are going to find the player controller. 405 00:16:30,400 --> 00:16:31,470 This is just in case. 406 00:16:31,465 --> 00:16:33,795 We start off and we have the player in the scene, 407 00:16:33,790 --> 00:16:35,310 then we find the camera, 408 00:16:35,305 --> 00:16:38,525 then we set the follow cam to be the player to look at. 409 00:16:38,520 --> 00:16:41,090 Have only one player in any scene, 410 00:16:41,090 --> 00:16:44,660 because we've already made sure of this right here. 411 00:16:44,660 --> 00:16:46,510 And the Singleton pattern. 412 00:16:46,505 --> 00:16:47,305 There we go. 413 00:16:47,300 --> 00:16:50,050 This is called the singleton pattern, keeping in mind, 414 00:16:50,045 --> 00:16:51,655 whenever you tell it to somebody, 415 00:16:51,650 --> 00:16:53,470 they will think that you're very smart. 416 00:16:53,465 --> 00:16:55,285 Trust me, even though it's 417 00:16:55,280 --> 00:16:57,680 singleton means a single object. 418 00:16:57,680 --> 00:17:00,920 So just in case they ask you what is a singleton pattern? 419 00:17:00,920 --> 00:17:03,020 Anyways, the virtual camera dot follow, 420 00:17:03,020 --> 00:17:05,570 we follow the only player that we find and 421 00:17:05,570 --> 00:17:08,540 then an update just in case this is for, 422 00:17:08,540 --> 00:17:11,540 let's say the player which doesn't get 423 00:17:11,540 --> 00:17:15,110 destroyed usually loads before all the other objects. 424 00:17:15,110 --> 00:17:17,690 So just in case we start off the game, 425 00:17:17,690 --> 00:17:20,870 we don't find the player immediately he is missing. 426 00:17:20,870 --> 00:17:22,730 We cannot solve him as follows. 427 00:17:22,730 --> 00:17:25,640 Follow then an update we will keep looping through 428 00:17:25,640 --> 00:17:27,140 until we find the player would check 429 00:17:27,140 --> 00:17:28,880 if we have a virtual camera. 430 00:17:28,880 --> 00:17:30,380 This is just an extra step. 431 00:17:30,380 --> 00:17:32,150 I don't think we will need this even, 432 00:17:32,150 --> 00:17:33,950 not even once because we will be 433 00:17:33,950 --> 00:17:36,680 attaching the script to the virtual camera, 434 00:17:36,680 --> 00:17:40,510 but just in case there isn't a virtual camera, 435 00:17:40,505 --> 00:17:42,475 we will check the condition and then we 436 00:17:42,470 --> 00:17:44,590 will set the virtual camera dot follow, 437 00:17:44,585 --> 00:17:46,435 save that back in here. 438 00:17:46,430 --> 00:17:47,620 Let's go ahead. 439 00:17:47,615 --> 00:17:51,805 And so the cameras, 440 00:17:51,800 --> 00:17:53,510 Let's see, shake and 441 00:17:53,510 --> 00:17:57,250 shake the camera controller through the virtual camera. 442 00:17:57,245 --> 00:18:00,705 And for some reason I can see that this is not a prefab. 443 00:18:00,709 --> 00:18:03,049 Is that on prefab this. 444 00:18:03,050 --> 00:18:07,010 So when the prefabs University, 445 00:18:07,010 --> 00:18:11,510 whereas the weapons you are a poor to level objects here. 446 00:18:11,510 --> 00:18:12,290 Nope. 447 00:18:12,290 --> 00:18:14,960 Okay. So I can see I did not prefer 448 00:18:14,960 --> 00:18:17,750 up the cameras for some reason I thought I did. 449 00:18:17,750 --> 00:18:21,490 But anyways, that's just prefer the camps and here. 450 00:18:21,485 --> 00:18:23,215 And you can see that 451 00:18:23,210 --> 00:18:25,980 the virtual camera will have the camp controller. 452 00:18:25,984 --> 00:18:27,114 So save that. 453 00:18:27,110 --> 00:18:28,870 Let me go to the other level. 454 00:18:28,865 --> 00:18:30,835 I'm not going to do this to all the levels. 455 00:18:30,830 --> 00:18:33,640 I'm just going to do it with the ones that we're testing, 456 00:18:33,635 --> 00:18:36,775 fixed everything and it will probably be the same. 457 00:18:36,770 --> 00:18:39,770 So cameras and here I'm going to delete it. 458 00:18:39,770 --> 00:18:43,400 And I'm going to go back to the prefabs and make 459 00:18:43,400 --> 00:18:47,270 sure I add the cameras in here in the hierarchy. 460 00:18:47,270 --> 00:18:48,430 Save all of that. 461 00:18:48,425 --> 00:18:50,005 Open this up, okay, seems, 462 00:18:50,000 --> 00:18:53,000 everything seems to be good. Back in the scenes. 463 00:18:53,000 --> 00:18:58,450 Back in the skull is save that, run the game. 464 00:18:58,445 --> 00:19:01,375 Go to the door, opened it up, 465 00:19:01,370 --> 00:19:03,050 move to the next level. 466 00:19:03,050 --> 00:19:05,650 And we should see, there we go. 467 00:19:05,645 --> 00:19:07,555 So we again found the player and now 468 00:19:07,550 --> 00:19:10,540 the cameras are working perfectly fine. 469 00:19:10,535 --> 00:19:12,655 Great. So now with that out of the way, 470 00:19:12,650 --> 00:19:14,030 if we look back in the console, 471 00:19:14,030 --> 00:19:16,220 we still have the problem of 472 00:19:16,220 --> 00:19:18,950 the player getting chased, not being fun. 473 00:19:18,950 --> 00:19:20,660 And because I see that 474 00:19:20,660 --> 00:19:23,410 this video has been already going long enough, 475 00:19:23,405 --> 00:19:25,765 I'm going to posit right here and then we're 476 00:19:25,760 --> 00:19:28,180 going to continue on in the next video. 477 00:19:28,175 --> 00:19:29,385 So I hope you enjoyed. 478 00:19:29,380 --> 00:19:31,970 This is a bit of a boring subject, I know, 479 00:19:31,970 --> 00:19:34,790 but at least you learned what a singleton pattern is. 480 00:19:34,790 --> 00:19:36,920 You understood why the camera was not going. 481 00:19:36,920 --> 00:19:38,630 I am trying to explain as much as 482 00:19:38,630 --> 00:19:40,790 possible even though it's very boring. 483 00:19:40,790 --> 00:19:44,180 But I want you to understand how everything is feeling. 484 00:19:44,180 --> 00:19:45,920 At first, I was also confused, 485 00:19:45,920 --> 00:19:47,900 but as I went through everything, 486 00:19:47,900 --> 00:19:49,670 I understood the things and I 487 00:19:49,670 --> 00:19:51,320 wanted to pass them on to you. 488 00:19:51,320 --> 00:19:52,940 So with that out of the way, 489 00:19:52,940 --> 00:19:56,610 thank you for watching and I'll see you in the next one.