1 00:00:00,000 --> 00:00:00,000 Hey. 2 00:00:00,000 --> 00:00:01,000 Hello there, guys. 3 00:00:01,000 --> 00:00:03,000 It's time to work on the audio in this game. 4 00:00:03,000 --> 00:00:06,000 First, I want to organize our project just a bit. 5 00:00:06,000 --> 00:00:09,000 I want to take these two scripts, drag it to the script folder. 6 00:00:10,000 --> 00:00:14,000 And then just put these two in the UI folder. 7 00:00:14,000 --> 00:00:18,000 Now let's create an empty object that I'm going to call audio. 8 00:00:19,000 --> 00:00:20,000 Oh, dear. 9 00:00:20,000 --> 00:00:21,000 Manager. 10 00:00:23,000 --> 00:00:24,000 And we're going to create a new script. 11 00:00:24,000 --> 00:00:26,000 C Sharp. 12 00:00:26,000 --> 00:00:27,000 Oh, dear. 13 00:00:27,000 --> 00:00:28,000 Manager. 14 00:00:30,000 --> 00:00:32,000 And drag it here. 15 00:00:33,000 --> 00:00:35,000 All right, now, let's go inside of the script. 16 00:00:38,000 --> 00:00:46,000 We can close all but this and what and first, what we need to do is to make it accessible from any 17 00:00:46,000 --> 00:00:48,000 place, just like we have with the game manager. 18 00:00:48,000 --> 00:00:50,000 So I'm going to make it public. 19 00:00:50,000 --> 00:00:53,000 Static Outdoor Manager. 20 00:00:56,000 --> 00:00:57,000 Instance. 21 00:00:57,000 --> 00:00:57,000 Yeah. 22 00:00:57,000 --> 00:00:59,000 Then we need a wake function. 23 00:01:00,000 --> 00:01:06,000 A wake in the wake, I'm going to say instance equals to this, and I think I can do. 24 00:01:07,000 --> 00:01:08,000 Is what I can do. 25 00:01:08,000 --> 00:01:11,000 I don't plan to write anything else in their wake. 26 00:01:11,000 --> 00:01:13,000 When you start function. 27 00:01:14,000 --> 00:01:14,000 All right. 28 00:01:14,000 --> 00:01:21,000 So how this is going to work, you can create a type of variable that is called audio source. 29 00:01:21,000 --> 00:01:25,000 Let's try this serialized field, private audio source. 30 00:01:25,000 --> 00:01:27,000 Now, I'm going to call it a fix. 31 00:01:28,000 --> 00:01:30,000 Very simple as a fix for sound effect. 32 00:01:30,000 --> 00:01:32,000 I want to make it an array. 33 00:01:32,000 --> 00:01:35,000 Let's make it an array and let's go to unit now. 34 00:01:36,000 --> 00:01:42,000 There is a folder of audio in the project that I added just in the beginning, and there is an it's 35 00:01:42,000 --> 00:01:44,000 a fixed folder and this is our sound effects. 36 00:01:44,000 --> 00:01:47,000 So what we want to do is to take any of these sounds. 37 00:01:47,000 --> 00:01:50,000 For example, let's take coin pickup, the one that we use the most. 38 00:01:50,000 --> 00:01:57,000 First of all, when you drag any of the audio source uncheck play on a wake, because if it is on, 39 00:01:57,000 --> 00:02:00,000 then whenever you start the game, the sound going to be played. 40 00:02:01,000 --> 00:02:04,000 Let me unmute because now audio is muted. 41 00:02:07,000 --> 00:02:10,000 So with the play on Awake, you can see that sound was played. 42 00:02:10,000 --> 00:02:14,000 If you put more sounds into the game and you will keep playing awake. 43 00:02:14,000 --> 00:02:15,000 And let me show you this. 44 00:02:15,000 --> 00:02:20,000 I'm going to take jump jump and UI click and wasted drag it here. 45 00:02:20,000 --> 00:02:25,000 They all have play on a wake function and if you go to play mode, it's going to sound horrible because 46 00:02:25,000 --> 00:02:27,000 all of the sound is going to be played at once. 47 00:02:27,000 --> 00:02:31,000 So what we need to do to fix that is to click play on a wake over here. 48 00:02:31,000 --> 00:02:33,000 Then I want to give them parent. 49 00:02:34,000 --> 00:02:37,000 And I'll name it as a suffix. 50 00:02:37,000 --> 00:02:42,000 And then I'll drag this parent to the manager to make it a child of audio manager. 51 00:02:43,000 --> 00:02:44,000 Good. 52 00:02:44,000 --> 00:02:45,000 Now we have five sounds in the game. 53 00:02:45,000 --> 00:02:50,000 There are some other sounds, but we're not going to touch them yet because now let's focus just on 54 00:02:50,000 --> 00:02:51,000 creating an audio manager. 55 00:02:51,000 --> 00:02:56,000 We have going to pick up a couple of jumps dest sound effect and UI click. 56 00:02:56,000 --> 00:03:02,000 Now we're going to go to audio manager, click this, lock it, open this array and choose all of the 57 00:03:02,000 --> 00:03:04,000 sounds and drag them here. 58 00:03:05,000 --> 00:03:06,000 That's good. 59 00:03:06,000 --> 00:03:10,000 Now that we have bunch of elements in the array, we can use them, we can call them and tell them, 60 00:03:10,000 --> 00:03:13,000 Just play this what we're going to do, Let's go back. 61 00:03:14,000 --> 00:03:18,000 I'll delete these two functions for now, and I'll create one public void. 62 00:03:19,000 --> 00:03:21,000 Play as a fix. 63 00:03:21,000 --> 00:03:23,000 I need an index for the sound. 64 00:03:23,000 --> 00:03:29,000 So and I and then just inside, I'm going to do this. 65 00:03:29,000 --> 00:03:35,000 If I is less than as a fixed length and we're using this one just to check if there is such a number 66 00:03:35,000 --> 00:03:38,000 in the array, then we're going to play the sound. 67 00:03:38,000 --> 00:03:39,000 It's a fix. 68 00:03:39,000 --> 00:03:42,000 I don't play very simple stuff. 69 00:03:42,000 --> 00:03:44,000 Let's go and try this. 70 00:03:44,000 --> 00:03:48,000 Let's go to the coin and trigger enter of the coin. 71 00:03:48,000 --> 00:03:51,000 We're going to call audio manager dot instance. 72 00:03:51,000 --> 00:03:55,000 Dot play is a fix and we need to check what was the number because I don't remember. 73 00:03:56,000 --> 00:03:57,000 Coin pickup is on the zero. 74 00:03:57,000 --> 00:03:59,000 So let's do this zero. 75 00:04:00,000 --> 00:04:01,000 Let's go and see. 76 00:04:01,000 --> 00:04:02,000 How does this work? 77 00:04:09,000 --> 00:04:10,000 Okay. 78 00:04:10,000 --> 00:04:11,000 That is very good. 79 00:04:11,000 --> 00:04:16,000 Now, let's go back and create another function that we might use just in some cases. 80 00:04:16,000 --> 00:04:23,000 But still, it's better to have this function public void stop as a fix int i. 81 00:04:24,000 --> 00:04:25,000 And inside we're going to do. 82 00:04:27,000 --> 00:04:30,000 Suffix when I stop. 83 00:04:32,000 --> 00:04:35,000 Now regarding background music, basically the same. 84 00:04:35,000 --> 00:04:41,000 The only difference is when we play background music, we need to make sure we switch off all other 85 00:04:41,000 --> 00:04:45,000 background music there is to avoid the chaos from different audio sources. 86 00:04:45,000 --> 00:04:47,000 So let's do sterilize field here. 87 00:04:47,000 --> 00:04:51,000 Private audio source for BGM. 88 00:04:52,000 --> 00:04:56,000 Then we're going to create a function public void play BGM. 89 00:04:56,000 --> 00:05:00,000 We're going to pass into a because we need a number. 90 00:05:00,000 --> 00:05:01,000 Then we're going to do for loop. 91 00:05:01,000 --> 00:05:04,000 They're going to cycle through all BGM sounds. 92 00:05:08,000 --> 00:05:10,000 The GM dot links. 93 00:05:10,000 --> 00:05:14,000 GM I dot stop and then we're going to play some we want. 94 00:05:14,000 --> 00:05:21,000 Basically we did same functionality when we did switch UI if you remember I dot play and then just in 95 00:05:21,000 --> 00:05:27,000 case you need to stop GM or we have some issue here because for a loop using AI and we as an AI, there 96 00:05:27,000 --> 00:05:29,000 is a conflict because of the same name. 97 00:05:29,000 --> 00:05:35,000 So we better change this to something like index, for example, index. 98 00:05:36,000 --> 00:05:38,000 Or we could use just a tee. 99 00:05:38,000 --> 00:05:41,000 Well, let's be consistent and type indexes here as well. 100 00:05:45,000 --> 00:05:46,000 Okay. 101 00:05:46,000 --> 00:05:48,000 Now, let's do public void. 102 00:05:48,000 --> 00:05:49,000 Stop. 103 00:05:50,000 --> 00:05:52,000 We don't need to pass index here. 104 00:05:52,000 --> 00:05:55,000 We're just going to switch off all of the BGM music. 105 00:06:01,000 --> 00:06:03,000 Okay, good enough. 106 00:06:03,000 --> 00:06:05,000 Now let's go and prepare background music. 107 00:06:12,000 --> 00:06:16,000 Going to go to audio folder, find BGM. 108 00:06:18,000 --> 00:06:23,000 Drag them to the hierarchy, then let's create a parent for them that's going to be named as PG. 109 00:06:23,000 --> 00:06:25,000 Let's unlock the inspector. 110 00:06:26,000 --> 00:06:27,000 Big jam. 111 00:06:27,000 --> 00:06:29,000 Then we're going to make a child of audio manager. 112 00:06:30,000 --> 00:06:33,000 And then we need to draw songs to the mirror. 113 00:06:34,000 --> 00:06:35,000 Just like this. 114 00:06:36,000 --> 00:06:39,000 And check make sure we uncheck play on awake here. 115 00:06:39,000 --> 00:06:40,000 And don't worry about the volume. 116 00:06:40,000 --> 00:06:42,000 We're going to fix volume later. 117 00:06:42,000 --> 00:06:44,000 For now, let's just do this. 118 00:06:46,000 --> 00:06:50,000 Let's make sure it's working so we can go to audio manager. 119 00:06:50,000 --> 00:06:52,000 Again and sorry. 120 00:06:53,000 --> 00:06:54,000 And in this third function. 121 00:06:55,000 --> 00:06:57,000 We can do a start. 122 00:06:57,000 --> 00:07:01,000 Maybe GM with the random index. 123 00:07:02,000 --> 00:07:04,000 So random range. 124 00:07:05,000 --> 00:07:11,000 And if yours, just like mine, shows this weird error, what you can do is go above and just delete 125 00:07:11,000 --> 00:07:14,000 this using system and delete using system reflection. 126 00:07:14,000 --> 00:07:15,000 We don't need them. 127 00:07:15,000 --> 00:07:17,000 We only need collection and collection generic. 128 00:07:17,000 --> 00:07:18,000 Now it should be fine. 129 00:07:18,000 --> 00:07:24,000 So not range from zero to BGM dot lengths. 130 00:07:24,000 --> 00:07:26,000 So it's going to play a random background music. 131 00:07:26,000 --> 00:07:27,000 Cool. 132 00:07:29,000 --> 00:07:32,000 Now let's go back to Unity and check this out. 133 00:07:51,000 --> 00:07:52,000 All right, great. 134 00:07:52,000 --> 00:07:55,000 Now let's go and do other sounds like jump and death. 135 00:07:55,000 --> 00:07:57,000 First, we need to find player. 136 00:07:58,000 --> 00:08:00,000 Find his jump function. 137 00:08:02,000 --> 00:08:02,000 Let's see. 138 00:08:02,000 --> 00:08:03,000 Where is it? 139 00:08:05,000 --> 00:08:08,000 So in the jump here, we're going to do our job manager. 140 00:08:09,000 --> 00:08:12,000 That instance does not play as a fix. 141 00:08:14,000 --> 00:08:15,000 What was the number? 142 00:08:17,000 --> 00:08:21,000 First and second so we can do random range between two sounds, random range. 143 00:08:23,000 --> 00:08:24,000 Again. 144 00:08:24,000 --> 00:08:25,000 My range is not here. 145 00:08:25,000 --> 00:08:25,000 Let's fix it. 146 00:08:25,000 --> 00:08:28,000 Let's go above and delete this system. 147 00:08:29,000 --> 00:08:32,000 This component model also to know why it's there. 148 00:08:37,000 --> 00:08:41,000 Just sometimes Intel sends trolls different random stuff to your cold. 149 00:08:42,000 --> 00:08:46,000 Happens sometimes from 0 to 1, a weight from 1 to 2. 150 00:08:47,000 --> 00:08:47,000 Right. 151 00:08:52,000 --> 00:08:56,000 And I want to copy this line of code and put this to double jump as well. 152 00:08:58,000 --> 00:09:01,000 Now whenever we di let's go find di function. 153 00:09:01,000 --> 00:09:03,000 We're going to play this sound. 154 00:09:04,000 --> 00:09:05,000 Here. 155 00:09:06,000 --> 00:09:10,000 And your manager always have trouble to type in this. 156 00:09:11,000 --> 00:09:12,000 Oh dear. 157 00:09:12,000 --> 00:09:13,000 Manager. 158 00:09:14,000 --> 00:09:17,000 Instance Dot place a fix. 159 00:09:18,000 --> 00:09:19,000 And the number is. 160 00:09:20,000 --> 00:09:21,000 Three. 161 00:09:22,000 --> 00:09:26,000 Number three, I also think we need some sound for knockback, but let's take care of that later. 162 00:09:26,000 --> 00:09:30,000 We also need UI click whenever you click any UI buttons. 163 00:09:30,000 --> 00:09:33,000 So let's go to your main and add UI sound here. 164 00:09:33,000 --> 00:09:35,000 Add your manager dot instance. 165 00:09:37,000 --> 00:09:39,000 Place a fix, and I guess that was the last one. 166 00:09:39,000 --> 00:09:40,000 Number four. 167 00:09:41,000 --> 00:09:45,000 Yes, We also can use this sound whenever you try to purchase something. 168 00:09:45,000 --> 00:09:47,000 So let's go and find your shop. 169 00:09:50,000 --> 00:09:53,000 And assign the sound to purchase color over here. 170 00:09:53,000 --> 00:09:55,000 Now, let's go and see if all of that works. 171 00:09:55,000 --> 00:09:59,000 I'm going to bring up volume just a bit and test it. 172 00:10:03,000 --> 00:10:05,000 Music is there. 173 00:10:06,000 --> 00:10:07,000 Shop is there. 174 00:10:07,000 --> 00:10:09,000 I can hear the clicks. 175 00:10:09,000 --> 00:10:14,000 We also can find some sounds for successful purchase or unsuccessful purchase. 176 00:10:14,000 --> 00:10:17,000 I'll see if I have something I'll attach to the lecture. 177 00:10:17,000 --> 00:10:23,000 But in any case, I will show you how to find your sound effects and music later in the course. 178 00:10:23,000 --> 00:10:26,000 Just there will be a special video about that. 179 00:10:26,000 --> 00:10:27,000 How to search for sounds. 180 00:10:28,000 --> 00:10:30,000 This works this. 181 00:10:30,000 --> 00:10:31,000 We need to make it work later. 182 00:10:33,000 --> 00:10:34,000 It's going to be in the next section. 183 00:10:35,000 --> 00:10:36,000 Have to start. 184 00:10:38,000 --> 00:10:39,000 Jump is working. 185 00:10:40,000 --> 00:10:41,000 Big cap is working. 186 00:10:41,000 --> 00:10:43,000 And let's try this sound. 187 00:10:48,000 --> 00:10:49,000 Cool. 188 00:10:51,000 --> 00:10:53,000 There is something else to do at the moment. 189 00:10:53,000 --> 00:10:57,000 If you play background, music is going to play once and then it's going to stop and we need to make 190 00:10:57,000 --> 00:11:00,000 the functionality to play new song again. 191 00:11:00,000 --> 00:11:04,000 After the background music step, you need to play next song, write this one. 192 00:11:04,000 --> 00:11:05,000 We need to do. 193 00:11:05,000 --> 00:11:05,000 So. 194 00:11:05,000 --> 00:11:08,000 What we can do is just to change the functionality by a bit. 195 00:11:08,000 --> 00:11:10,000 Let's create a function that going to say. 196 00:11:11,000 --> 00:11:16,000 Public void play random BGM. 197 00:11:18,000 --> 00:11:21,000 We need a private integer for BGM index. 198 00:11:21,000 --> 00:11:25,000 So private int BGM index. 199 00:11:25,000 --> 00:11:28,000 Then we can assign random value to this index in the play. 200 00:11:28,000 --> 00:11:31,000 Random BGM BGM index equals to. 201 00:11:31,000 --> 00:11:33,000 Let's just cut it out from here. 202 00:11:36,000 --> 00:11:40,000 Paste it in here and then take this line of code. 203 00:11:40,000 --> 00:11:41,000 Go to play random BGM. 204 00:11:41,000 --> 00:11:44,000 Paste it in with the BGM index. 205 00:11:44,000 --> 00:11:47,000 So now whenever you want to change the song, you can call this function. 206 00:11:47,000 --> 00:11:52,000 It's going to stop all of the music that plays now and play new random song. 207 00:11:52,000 --> 00:11:55,000 No matter how many songs you have, is going to choose random one from the list. 208 00:11:56,000 --> 00:11:57,000 This is good. 209 00:11:57,000 --> 00:12:02,000 Now the next one is to make an update function instead of start in the update function. 210 00:12:02,000 --> 00:12:05,000 We're going to check if music is playing or not, so we're going to do it. 211 00:12:05,000 --> 00:12:10,000 If no BGM with the BGM index lane is playing. 212 00:12:10,000 --> 00:12:14,000 So if not playing, then we can play new random song. 213 00:12:14,000 --> 00:12:16,000 Play random BGM. 214 00:12:17,000 --> 00:12:19,000 In this way, we're going to do check. 215 00:12:19,000 --> 00:12:21,000 And by default, our BGM index is zero. 216 00:12:22,000 --> 00:12:28,000 So when our game starts and first update runs, it's going to see if BG zero is not playing, then we're 217 00:12:28,000 --> 00:12:31,000 going to say, Play random BGM and this play Random BGM. 218 00:12:31,000 --> 00:12:35,000 Going to take a new index from zero to BGM lengths. 219 00:12:35,000 --> 00:12:36,000 It's going to play the sound. 220 00:12:36,000 --> 00:12:38,000 It's going to play the music with new BGM. 221 00:12:38,000 --> 00:12:43,000 And as you know, inside of that, we're going to switch off all of the music that we had, if any, 222 00:12:43,000 --> 00:12:45,000 played play new sound. 223 00:12:45,000 --> 00:12:49,000 And by that moment, BGM Index is going to be new, for example, is going to be number one. 224 00:12:49,000 --> 00:12:51,000 BGM index equals to one. 225 00:12:51,000 --> 00:12:55,000 Then update going to check if BGM plane is going to do nothing. 226 00:12:55,000 --> 00:12:57,000 If it's not playing, it's going to play new song. 227 00:12:57,000 --> 00:12:58,000 Very simple. 228 00:12:58,000 --> 00:12:58,000 Very cool. 229 00:12:58,000 --> 00:12:59,000 All right. 230 00:12:59,000 --> 00:13:00,000 That's it for this video. 231 00:13:00,000 --> 00:13:01,000 And I'll see you in the next one.