WEBVTT 00:00.040 --> 00:02.360 We can jump as many times as we want. 00:02.400 --> 00:03.560 So let me show you. 00:04.200 --> 00:07.840 Let's click on this play button in the top in order to play our game. 00:07.840 --> 00:10.120 And let's have a look on this. 00:13.640 --> 00:15.760 Just wait for a little moment. 00:16.360 --> 00:22.840 So if I press down space key, as you can see, we jump it a lot and we can jump as many times as we 00:22.880 --> 00:23.280 want. 00:23.320 --> 00:26.640 Let this player game object come to this ground. 00:26.640 --> 00:28.440 And if I just press down space key. 00:28.480 --> 00:34.440 As you can see, it's jumping a lot and it's gonna jump as much as we want. 00:34.480 --> 00:39.560 So I'm going to get out of play mode and let's me, uh, let me show you one more time. 00:39.560 --> 00:42.360 So I'm going to select my player game object in the hierarchy. 00:42.360 --> 00:45.880 And I'm going to make the jump height a little bit less something like four. 00:46.080 --> 00:51.640 And if I just click on this play button in the top to play our game, we're going to take a look on 00:51.680 --> 00:52.200 that. 00:52.920 --> 00:59.720 Uh, we can jump as many times we want, so just wait for it to come play our game. 00:59.840 --> 01:04.610 So if I just press down space key, as you can see, we can jump even in the air. 01:04.650 --> 01:06.410 So we need to stop doing that. 01:06.410 --> 01:07.930 So let's get out of play mode. 01:07.970 --> 01:08.730 What are we going to do. 01:08.730 --> 01:14.890 We're going to create a parameter a bool parameter which can be true or false to just keep track of 01:14.930 --> 01:18.090 if this player game object is standing on this ground or not. 01:18.130 --> 01:23.170 If this player game object is standing on this ground, then we're going to make our player jump. 01:23.170 --> 01:29.050 And if this player game object in the air, we're not going to make this player game object to jump 01:29.050 --> 01:29.810 in the air. 01:29.850 --> 01:35.290 So I'm going to drag it on top of this ground, because in the start of the game this player just gonna 01:35.730 --> 01:37.330 be top of our ground. 01:37.330 --> 01:38.170 So that's why. 01:38.210 --> 01:42.930 So let's select our player GameObject in the hierarchy and open up the player script in the Inspector 01:42.930 --> 01:44.330 by double clicking on it. 01:44.810 --> 01:48.570 And let's go to the top of our class, something over here. 01:48.570 --> 01:53.890 And we're going to make a parameter or a variable to just keep track of if this player game object is 01:53.890 --> 01:55.930 standing on this ground or not. 01:55.930 --> 01:59.660 And we're going to make a bool parameter, which can be true or false. 01:59.660 --> 02:02.940 So I'm going to make a private so it doesn't need to be public. 02:02.940 --> 02:04.340 So we just made it private. 02:04.340 --> 02:06.980 So we're not going to able to see that parameter. 02:06.980 --> 02:09.620 And in it our player skip in the unity. 02:09.660 --> 02:14.300 We're not going to able to see that because as you can see we just made it private. 02:14.300 --> 02:17.700 And that will be pulled which can be true or false. 02:17.700 --> 02:22.380 And we have to name the parameter or the variable which uh, what we want to name it. 02:22.380 --> 02:26.100 So I'm going to call it something like is crown is crown. 02:26.100 --> 02:29.220 And let's start or close that off with semicolon. 02:29.380 --> 02:31.900 And we're going to move over to this start function. 02:31.900 --> 02:35.620 And we do know that start function get call in the start of the game. 02:35.620 --> 02:39.580 So in this start of the game we're going to set that is crown parameter to true. 02:39.620 --> 02:40.060 Why? 02:40.140 --> 02:46.060 Because uh, this uh player game object in the start of the game just gonna be top of this crown. 02:46.060 --> 02:47.660 So that's why it is Crown. 02:47.660 --> 02:53.540 We're gonna set in the start of the game, uh, to true, because we're gonna be top of our crown, 02:53.540 --> 02:54.260 so that's why. 02:54.260 --> 02:55.460 So let's go to script. 02:55.460 --> 03:00.230 So in this start of the game we're going to set is brown, we will set equal to true. 03:00.670 --> 03:02.630 And let's close that up with semicolon. 03:02.710 --> 03:05.950 So in this start of the game we set a second parameter to true. 03:05.950 --> 03:10.590 Because in the start of the game, this player game object is just going to be top of this round. 03:10.590 --> 03:11.470 So that's why. 03:11.510 --> 03:15.590 And once we make this player game object jump so it's going to be in the air. 03:15.630 --> 03:18.710 Then we're going to set that is ground parameter to false. 03:18.990 --> 03:25.310 Uh y we're gonna set it to false because once this player game object jumps uh, it's not going to be 03:25.310 --> 03:26.470 top of this ground. 03:26.510 --> 03:28.390 It will be in the air. 03:28.390 --> 03:31.710 So that's why we're going to set this ground parameter to false. 03:31.710 --> 03:37.310 So we just created that parameter in order to check if this player game object is standing on top of 03:37.310 --> 03:38.750 this ground or not. 03:38.750 --> 03:40.390 So let's go to script now. 03:40.390 --> 03:41.310 And over here. 03:41.310 --> 03:46.870 As you can see we're checking if input dot get key Keycode dot space basically means if we press down 03:46.870 --> 03:51.550 space key on our keyboard, then what we're doing we just making our player jump. 03:51.550 --> 03:56.990 So at that same time, I want to check if this player object standing on this ground or not. 03:57.000 --> 04:01.880 So if we press down space key at the same time, I'm going to check if this player game object standing 04:01.880 --> 04:04.160 on top of this or crown or not. 04:04.520 --> 04:08.640 If it's standing on top of this crown, then we're going to make this player jump. 04:08.800 --> 04:11.680 Else we don't want this player game object to jump. 04:11.680 --> 04:15.840 If this player game object not not in top of this crown. 04:15.840 --> 04:21.480 So somewhere in the air, then we don't want this player game object to jump at all. 04:21.480 --> 04:27.080 So that's why in over here if we press down space key on our keyboard or not. 04:27.080 --> 04:32.240 At the same time, I'm going to check if our player game object is standing on that ground top of that 04:32.240 --> 04:33.280 crown or not. 04:33.280 --> 04:34.160 So we're going to check. 04:34.160 --> 04:38.880 So we need to use this n in order to check with a second condition. 04:38.880 --> 04:43.880 And we're going to check if is crown is equals equals to true means. 04:44.240 --> 04:49.080 So we using this equals equals to equals equals sign in order to check. 04:49.200 --> 04:54.880 And what we're checking we're checking if is crown equals equals to true basically means if we're standing 04:54.880 --> 04:59.890 on top of this ground or not, because we created that ground parameter. 04:59.890 --> 05:05.890 In order to check this player game object is standing on top of this ground or not, as you can see. 05:05.890 --> 05:11.330 So what we're doing, we're checking if input dot get key Keycode dot space basically means if we press 05:11.330 --> 05:17.330 down space key on our keyboard at the same time, we're checking his ground is equals equals to true 05:17.930 --> 05:24.130 basically means if we're standing on that ground or not, so is ground is equals equals to true basically 05:24.130 --> 05:26.170 means we're standing on that ground. 05:26.210 --> 05:30.050 Then what we're doing, we're just making our player jump, as you can see. 05:30.090 --> 05:32.490 And after jumping we're going to set this is gone. 05:32.690 --> 05:34.730 This is ground parameter to false. 05:35.050 --> 05:36.370 Why we're going to set it to false. 05:36.370 --> 05:39.130 Because once we make this player game object jump. 05:39.130 --> 05:40.610 So it's going to be in the air. 05:40.610 --> 05:45.130 So that's why this game object not going to be on top of this ground. 05:45.130 --> 05:48.210 So that's why we're going to set this ground parameter to false. 05:48.210 --> 05:52.210 After making this player game object jump in the y axis. 05:52.210 --> 05:54.050 So we're going to set after jumping. 05:54.170 --> 05:57.910 So we're just making our player jump over here, as you can see. 05:57.910 --> 06:00.190 So after jumping we're gonna set his crown. 06:00.190 --> 06:02.790 So we will set is crown equal to false. 06:03.190 --> 06:03.750 Uh, false. 06:03.750 --> 06:06.110 And let's close that up with semicolon. 06:06.110 --> 06:09.910 And we're gonna press down control S in order to save our script. 06:09.910 --> 06:11.870 And now let's move over to unity. 06:12.390 --> 06:14.030 So, uh, we're checking. 06:14.310 --> 06:19.670 So we're checking, uh, if input dot get key keycode dot space basically means if we press down space 06:19.670 --> 06:25.190 key on our keyboard at the same time, we're checking his crown is true, as you can see. 06:25.230 --> 06:27.550 Means we just standing on that crown. 06:27.590 --> 06:28.510 Then what are we doing? 06:28.510 --> 06:30.510 We're just making our player jump. 06:30.510 --> 06:33.150 And after that, we're just setting his crown to false. 06:33.150 --> 06:36.590 As you can see, as soon as we just leave our crown. 06:36.590 --> 06:38.150 So let's go to unity now. 06:38.510 --> 06:44.910 And as you can see, we're not able to see that private parameter which is bool we recently created. 06:44.910 --> 06:48.670 And let's suppose you still want to see that private parameter. 06:48.710 --> 06:51.550 Then what you have to do you need to move over to inspector. 06:51.550 --> 06:53.590 In the top right you can see three dots. 06:53.630 --> 06:56.320 So just click there and then click on this debug. 06:56.520 --> 07:03.280 And as soon as we have chosen debug underneath our player script by now we are able to see this is ground. 07:03.400 --> 07:06.880 So let's click on this play button in the top to play our game. 07:07.000 --> 07:10.480 You will see this ground in the start of the game is just going to be checked. 07:10.480 --> 07:11.640 Basically means true. 07:11.680 --> 07:15.840 And once we jump this is just going to be unchecked means false. 07:16.000 --> 07:22.360 So if I just press down a space key on my keyboard, as you can see we just made our player GameObject 07:22.720 --> 07:23.240 jump. 07:23.280 --> 07:29.560 But the problem is that for the next time, if we just press the space key on our our keyboard, we 07:29.560 --> 07:33.080 not making our player jump at all for the next time. 07:33.120 --> 07:37.680 Even we just pressing down space key multiple times on our keyboard. 07:37.720 --> 07:37.960 Why? 07:38.000 --> 07:42.640 Because this is ground is false, as you can see underneath our player script. 07:42.640 --> 07:46.720 So we're going to get out of play mode and I want to go back in normal mode. 07:46.840 --> 07:50.880 So what we have to do we need to go this top right one more time. 07:51.040 --> 07:57.130 Uh just click on that three dot, and then click on this normal in order to go back in normal mode. 07:57.250 --> 07:59.690 So why are we not able to jump for the next time. 07:59.690 --> 08:03.610 So let's move over to scrape because this is ground is false. 08:03.610 --> 08:09.690 So once we make our player jump, as you can see we jumping and after jumping we just setting a is ground 08:09.730 --> 08:11.130 parameter is false. 08:11.130 --> 08:13.850 And once we press done space key on our keyboard. 08:13.890 --> 08:20.050 As you can see we're checking if is ground is equals equals to true means we standing on that ground 08:20.450 --> 08:21.130 or not. 08:21.130 --> 08:26.490 So we do know that once we make, uh, once we set this is ground equal to false. 08:26.490 --> 08:32.530 So this over here, the second condition is false basically means, uh, this one is false. 08:32.530 --> 08:36.850 So once we make our player jump, we just setting is ground parameter to false. 08:36.850 --> 08:39.170 And we're checking for the next time as well. 08:39.210 --> 08:43.810 If we press down space key on our keyboard at the same time is ground is true. 08:43.810 --> 08:49.010 And we do know that once we make our player game object first, uh, first jump, then we just setting 08:49.010 --> 08:52.340 back, uh, sorry, we just setting is ground to defaults. 08:52.340 --> 08:57.980 As you can see for the next time, this is Crown parameter is not true at all. 08:57.980 --> 08:59.540 So this one is false. 08:59.540 --> 09:03.140 So that's why we're not able to jump for the next time. 09:03.140 --> 09:06.420 Because this n n both of this condition should be true. 09:06.460 --> 09:11.100 Means if we press down space key at the same time is crown need to be true. 09:11.100 --> 09:17.020 But we do know once we make our player game object for this, uh, once we make our player game object 09:17.020 --> 09:22.980 jump for the first time, uh, after jumping, we do know which setting is crown parameter to false. 09:22.980 --> 09:25.420 So this one is not true at all. 09:25.420 --> 09:31.740 So we also need to set back this parameter to true once we uh uh. 09:31.740 --> 09:34.980 So we also need to set back is crown parameter to true. 09:35.260 --> 09:41.180 Once we collide with this crown, once we collide with this crown then we're going to make a parameter 09:41.180 --> 09:41.780 to true. 09:41.780 --> 09:45.660 And we do know once we're gonna set this is crown true parameter to true. 09:45.700 --> 09:48.500 We're going to able to jump for the next time as well. 09:48.540 --> 09:51.750 Because if we set it to true and we're checking over here. 09:51.750 --> 09:56.230 If we press down space key on our keyboard at the same time, it's ground is true. 09:56.230 --> 10:00.150 So if we set it to true, then we're going to able to make our player jump. 10:00.190 --> 10:02.590 And after jumping we're just setting back a. 10:02.750 --> 10:06.070 This is ground parameter to false as you can see. 10:06.070 --> 10:11.510 So once when we need to set this parameter true parameter to true. 10:11.550 --> 10:14.270 So once this player GameObject collide with this ground. 10:14.270 --> 10:17.670 So let's suppose this player GameObject make for the first jump. 10:17.670 --> 10:20.030 So it's going to be over here in the air. 10:20.190 --> 10:25.150 And once this player GameObject collide with this ground then we're going to set this ground parameter 10:25.150 --> 10:25.830 to true. 10:25.830 --> 10:32.070 And we do know once we set back its ground parameter to true, we will able to jump for the next time 10:32.110 --> 10:32.870 as well. 10:32.870 --> 10:36.150 So we're going to use on collision enter 2D function. 10:36.150 --> 10:40.630 So basically that function just gonna get called once we collide with something. 10:40.630 --> 10:43.110 So let's suppose we collide with this ground. 10:43.110 --> 10:45.710 So that's the that function just gonna trigger. 10:45.710 --> 10:47.350 So let's move over to script. 10:47.350 --> 10:50.480 And we're going to use on collision enter 2D function. 10:50.480 --> 10:52.080 So we're going to make it in the bottom. 10:52.080 --> 10:54.040 You can make it anywhere you like. 10:54.040 --> 10:56.040 It doesn't need to be in order. 10:56.040 --> 10:59.400 So and we're going to use this Oncollisionenter 2D function. 10:59.440 --> 11:01.720 Make sure you adjust it as I. 11:01.960 --> 11:04.640 So make sure you did as I did over here. 11:04.680 --> 11:06.960 Make sure you just do the same thing. 11:07.160 --> 11:12.440 So this Oncollisionenter 2D function, this function gets called when we collide with something. 11:12.440 --> 11:13.480 So this is unity. 11:13.480 --> 11:19.440 Callback function basically means this function will automatically get called by unity once we collide 11:19.440 --> 11:20.240 with something. 11:20.240 --> 11:23.320 So let's suppose this player GameObject collide with this ground. 11:23.360 --> 11:28.280 Then this function over here get called and we can extract info what we collided with. 11:28.280 --> 11:34.200 By going over to this collision in a parameter we can extract info like name of the game object. 11:34.200 --> 11:37.880 We collided with the tag of the GameObject, anything like that. 11:38.240 --> 11:41.960 But before we do, let's assign this ground as a ground tag. 11:42.080 --> 11:44.920 So how we can assign this ground as a ground tag. 11:44.920 --> 11:47.720 So you need to select the GameObject first in the hierarchy. 11:47.880 --> 11:51.170 So in our case this ground we're going to select in our hierarchy. 11:51.170 --> 11:52.450 So select the crown. 11:52.490 --> 11:56.770 Then go over to Inspector and Inspector and you can see tag. 11:56.810 --> 11:57.930 It says untag. 11:57.930 --> 12:00.690 So just click there and then click on this add tag. 12:00.690 --> 12:03.450 And then click on this plus icon in Inspector. 12:03.450 --> 12:05.930 And you have to name the tag what you want to name it. 12:05.930 --> 12:08.010 So I'm going to call it something like Crown. 12:08.290 --> 12:11.090 And after doing that make sure you just click on this save. 12:11.290 --> 12:16.210 And also you have to make sure select the Crown GameObject in the hierarchy. 12:16.210 --> 12:18.850 So we're going to select our crown in the hierarchy. 12:18.970 --> 12:23.370 And then go over to Inspector one more time and tag you can see untag. 12:23.370 --> 12:26.330 So just click there and we're going to assign it with Crown. 12:26.330 --> 12:28.570 So whatever we just recently name it. 12:28.610 --> 12:29.490 Now we can see. 12:29.490 --> 12:31.930 We assign it this crown as a ground tag. 12:31.970 --> 12:34.050 As you can see in Inspector. 12:34.050 --> 12:36.850 So we assign it this ground as a ground tag. 12:37.010 --> 12:40.130 So now what we're going to do, we're going to move over to our script. 12:40.130 --> 12:43.010 So this function get called when we collide with something. 12:43.210 --> 12:48.380 And we can extract info what we collided with by going over to this collision parameter. 12:48.380 --> 12:52.500 So let's suppose we just want to print out the game object we collided with. 12:52.500 --> 12:57.460 So if this player game object collides with this ground then we're gonna extract the tag of that game 12:57.500 --> 12:57.860 object. 12:57.860 --> 12:58.980 Something like that. 12:58.980 --> 13:01.060 So we're going to move over to script. 13:01.060 --> 13:06.940 And in order to print out a message, uh, we do know we're going to use this debug dot log function. 13:07.220 --> 13:09.500 And this debug dot log log function. 13:09.500 --> 13:12.140 It's going to take the message in a string. 13:12.300 --> 13:13.980 Or you have to pass the string. 13:13.980 --> 13:18.900 So what we're going to do we're going to extract info the name of the game object or the tag. 13:18.900 --> 13:22.740 So we uh we have to move over to this collision parameter. 13:22.740 --> 13:27.620 So we're going to use this collision parameter in order to print out the name of the game object we 13:27.660 --> 13:28.740 collided with. 13:28.780 --> 13:30.580 So we're going to use this collision parameter. 13:30.580 --> 13:32.380 So we're going to move over to collision. 13:32.420 --> 13:35.700 Then we're going to add the game object as you can see. 13:35.740 --> 13:38.300 And now we're going to access the name of the game object. 13:38.300 --> 13:41.140 So we're going to use this dot and then name. 13:41.140 --> 13:43.220 And then close that up with semicolon. 13:43.220 --> 13:47.710 So this function get called by unity automatically once we collide with something. 13:47.710 --> 13:50.830 So let's suppose this player can collide with this ground. 13:50.830 --> 13:52.750 Then this function is just gonna get called. 13:52.750 --> 13:54.710 And what are we doing inside that function? 13:54.710 --> 14:01.190 We just extracting the name of the game object we colliding with by going over to this collision parameter. 14:01.230 --> 14:06.870 As you can see firstly we just going over to this, we just using this collision parameter. 14:06.870 --> 14:12.030 And by this collision parameter we just accessing the game object as you can see. 14:12.030 --> 14:16.070 So collision dot GameObject basically means the game object we collided with. 14:16.110 --> 14:22.790 And after just getting the game object we just extracting the name, as you can see, and we're going 14:22.790 --> 14:25.070 to press down Ctrl S to save our script. 14:25.110 --> 14:26.830 Now let's move over to unity. 14:27.030 --> 14:32.190 So as soon as this player GameObject just wanna collide with this ground, the name of the game object 14:32.190 --> 14:34.910 just gonna print out in our console tab. 14:34.910 --> 14:36.310 So just let me show you. 14:36.790 --> 14:40.230 So wait for a little moment to compile our script. 14:41.430 --> 14:43.950 So we're going to select our console tab from here. 14:43.950 --> 14:46.240 And let's click on this play button in the top. 14:46.400 --> 14:49.960 So as soon as this player came up, it's just going to collide with this crown. 14:49.960 --> 14:55.680 You will see the name of the game object just gonna print out in our console tab. 14:55.680 --> 14:56.680 So let me show you. 14:57.360 --> 15:03.800 So as soon as the game player just collide with this crown, the message in the console gets pop up 15:03.840 --> 15:04.480 says Crown. 15:04.480 --> 15:09.680 So if I just collide with second time, as you can see, as soon as this player GameObject collide with 15:09.680 --> 15:14.680 this crown, the name of the game object just getting a print out in our console tab. 15:14.680 --> 15:16.200 So let's get out of play mode. 15:16.200 --> 15:22.000 Instead of printing out message what we want to do, we just want to set this parameter to true. 15:22.160 --> 15:25.560 So we do know once we set back is Crown parameter to true. 15:25.600 --> 15:30.360 We're going to able to jump for the next time as well because this is crown just going to be true. 15:30.360 --> 15:33.240 And so both of these condition just getting true. 15:33.280 --> 15:36.920 So that's why we will able to jump for the next time as well. 15:36.920 --> 15:41.640 And after jumping as you can see which setting is crown parameter to false. 15:41.680 --> 15:45.290 And we also need to set back is crown parameter to true. 15:45.290 --> 15:50.330 So instead of printing out message, once we collide with this ground, we're going to set this ground 15:50.330 --> 15:51.450 parameter to true. 15:51.450 --> 15:58.010 And we do know once we set back is ground parameter to true, we will able to jump uh for the next time 15:58.010 --> 15:58.730 as well. 15:58.730 --> 16:03.450 So let's double click on that on this message in order to go that line of code. 16:03.450 --> 16:06.890 Or you can simply move over to your Visual Studio. 16:06.890 --> 16:10.130 So what we're doing, we're just printing out the name of the game object. 16:10.130 --> 16:11.810 Instead of doing this thing. 16:11.850 --> 16:16.810 We're just gonna check a if if we collide with this ground game object. 16:16.810 --> 16:19.650 So we're going to extract the tag of that game object. 16:19.650 --> 16:22.650 And we're going to check if this ground has a tag called ground. 16:23.050 --> 16:27.050 Uh, so at that moment we're going to set its ground parameter to true. 16:27.890 --> 16:28.290 Why. 16:28.570 --> 16:31.490 Uh, because we need to check only with ground. 16:31.490 --> 16:37.250 And we do know that, uh, and we can see if we select our ground GameObject in the hierarchy, we can 16:37.250 --> 16:41.850 see in Inspector, we assigned this ground as a ground tag as you can see. 16:42.090 --> 16:43.930 So what we're going to do there. 16:43.930 --> 16:45.900 So let's go to script and we're going to check. 16:45.900 --> 16:47.660 So we will use this if condition. 16:47.660 --> 16:50.340 So make first bracket and some curly brackets. 16:50.340 --> 16:52.380 So what we want to check over here. 16:52.380 --> 16:55.540 We want to check whatever we uh just collided with. 16:55.580 --> 16:59.500 If that game object has a tag called crown tag. 16:59.500 --> 17:05.740 So if we collide with this crown as crown that we do know that we assign it this ground as a ground 17:05.740 --> 17:05.980 tag. 17:06.020 --> 17:08.100 As you can see in the inspector. 17:08.140 --> 17:11.820 Then what we're going to do, we're going to set back is ground parameter to true. 17:12.020 --> 17:14.620 So firstly we will move over to this collision. 17:14.620 --> 17:20.580 So we're going to use this collision parameter in order to extract info the game object we collided 17:20.580 --> 17:20.980 with. 17:20.980 --> 17:22.300 So we're going to use this collision. 17:22.300 --> 17:23.980 So let's use this collision. 17:24.180 --> 17:26.500 So collision dot game object. 17:26.500 --> 17:29.580 And then we're going to access the tag of that game object. 17:29.580 --> 17:31.780 So we're going to use this dot and then tag. 17:31.820 --> 17:35.100 And we're going to check if that tag is equals equals to ground. 17:35.100 --> 17:37.860 So make sure you just make this quotation. 17:37.860 --> 17:42.740 And in in between this quotation you need and you need to pass the tag name. 17:42.740 --> 17:44.240 So we're going to check foreground. 17:44.240 --> 17:46.440 So that's why we're going to pass this round. 17:46.440 --> 17:49.360 And we do know we assigned that ground as a ground tag. 17:49.400 --> 17:52.280 It's basically means we collided with this ground. 17:52.280 --> 17:56.800 So what we need to do in that moment we'll set this ground parameter to true. 17:56.800 --> 18:02.680 And we do know once we set back sorry is ground parameter to true, we will able to jump for the next 18:02.680 --> 18:05.400 time as well because we're checking over here. 18:05.400 --> 18:11.200 As you can see, if we press down space key on our keyboard at the same time is ground parameter is 18:11.200 --> 18:11.400 true. 18:11.400 --> 18:13.200 So both of these condition getting true. 18:13.200 --> 18:16.640 So that's why we're going to make we're going to able to make our player jump. 18:16.640 --> 18:21.640 And after jumping we're just sitting back is ground parameter to false as you can see. 18:21.920 --> 18:24.440 So we colliding with this ground over here. 18:24.480 --> 18:27.680 And it's basically mean what we need to do right now. 18:27.680 --> 18:28.800 We need to set back. 18:28.800 --> 18:31.800 So we're gonna set is ground equal to true. 18:31.800 --> 18:33.720 And then close that up with semicolon. 18:33.720 --> 18:35.480 So let me explain one more time. 18:35.480 --> 18:39.320 So collision dot game object basically means the ground game object. 18:39.320 --> 18:42.490 So let's suppose this player game object collide with this ground. 18:42.490 --> 18:46.850 So Collision's GameObject basically means our ground GameObject by now. 18:46.850 --> 18:51.130 So Collision's GameObject basically means the GameObject we collided with. 18:51.130 --> 18:52.810 So we're gonna collide with this ground. 18:52.810 --> 18:57.370 So that's why this collision GameObject basically means this ground GameObject. 18:57.370 --> 19:03.370 And after going over to that GameObject, what we're doing, we just accessing the tag as you can see. 19:03.370 --> 19:05.570 So we're gonna collide with this ground game object. 19:05.570 --> 19:08.970 So we basically just going over to this ground game object. 19:08.970 --> 19:12.210 And then we accessing the tag of this ground game object. 19:12.210 --> 19:15.290 And we can see we assign it this ground as a ground tag. 19:15.330 --> 19:17.250 As you can see in the inspector. 19:17.250 --> 19:19.970 So basically means this over here just gonna be ground. 19:19.970 --> 19:22.490 And we're checking if that ground is equals. 19:22.490 --> 19:28.570 Equals to ground basically means the game object we collided with, if the tag is equals equals to ground, 19:28.570 --> 19:29.610 as you can see. 19:29.650 --> 19:36.530 Then what we're doing, we're just setting a bag ground parameter to true means we are setting it to 19:36.570 --> 19:40.410 true means we're gonna able to jump for the next time as well. 19:40.410 --> 19:44.820 So we're just accessing and we checking if the game object has a tag called ground. 19:44.820 --> 19:46.340 So we're going to collide with this ground. 19:46.340 --> 19:50.900 Then what we're doing we're just sitting back is ground parameter to true as you can see. 19:51.460 --> 19:55.140 And uh so we will able to jump for the next time. 19:55.380 --> 20:01.060 Uh, and then after making our player jump, uh, we just setting back is ground parameter to false. 20:01.180 --> 20:06.820 And as soon as we go colliding with the ground, then we're setting uh is ground parameter to true. 20:07.020 --> 20:12.300 So as soon as this player GameObject gonna collide with this ground, then we're just setting his ground 20:12.300 --> 20:13.500 parameter to true. 20:13.500 --> 20:19.740 And once we making our player game object jump for the next time, then we setting A is ground to false. 20:19.740 --> 20:24.980 And as soon as this player game object is gonna collide with this ground for the next time, that is 20:24.980 --> 20:26.100 ground parameter. 20:26.140 --> 20:27.260 Just gonna be true. 20:27.300 --> 20:31.540 Means we're gonna able to jump as soon as we're gonna collide with this ground. 20:31.580 --> 20:36.460 Basically, that is the thing, and we're going to press down Ctrl s in order to save our script. 20:36.460 --> 20:38.340 And let's move to unity by now. 20:38.460 --> 20:41.950 So as soon as this player came out to collide with this ground? 20:41.990 --> 20:48.670 You will able to see this player GameObject gonna just gonna be able to jump uh, as well for the next 20:48.670 --> 20:49.070 time. 20:50.110 --> 20:53.590 So let's click on this play button in the top in order to see that. 20:55.590 --> 21:00.670 So as soon as this player GameObject just going to collide with this ground, then this player GameObject 21:00.670 --> 21:01.950 just gonna able to jump. 21:01.950 --> 21:03.070 As soon as it jump. 21:03.070 --> 21:05.270 We just sending back is ground to false. 21:05.430 --> 21:11.630 So as you can see we are only able to jump once this player GameObject just uh, standing on this ground. 21:11.630 --> 21:15.430 So I'm going to click on this pause button in the top in order to pause my game. 21:15.430 --> 21:18.950 And I want to make our player jump a little bit high. 21:18.990 --> 21:21.710 So I'm going to select my player GameObject in the hierarchy. 21:21.710 --> 21:26.030 And I'm going to set the jump height in our player script, something like uh ten. 21:26.030 --> 21:32.470 And now if I just click on this pause button in order to just unpause the game, we can see player is 21:32.470 --> 21:35.590 jumping a lot, but we're not able to jump in the air. 21:35.710 --> 21:40.840 We only able to jump as soon as this player GameObject just colliding with this ground. 21:40.880 --> 21:41.880 As you can see. 21:41.880 --> 21:43.480 So I'm going to get out of play mode. 21:43.480 --> 21:50.360 So I hope you get the idea that how you can make your player jump by using a bool parameter and collision 21:50.360 --> 21:58.720 function in unity in with C sharp script, and we can see the jump height just set back to four. 21:59.080 --> 22:03.840 Uh, and we just set it in ten while we, we are in play mode. 22:03.840 --> 22:07.600 So make sure you just autoplay mode and then you can just paste the value. 22:07.600 --> 22:08.960 So it's going to be saved. 22:08.960 --> 22:14.480 So whatever you're going to do inside play mode while you are while you're just playing your game, 22:14.480 --> 22:15.600 it's not going to be safe. 22:15.600 --> 22:21.200 So make sure you just autoplay mode and then you just paste the number once again there. 22:21.360 --> 22:26.720 So in my case I'm going to make the player jump something like ten and make sure you also go to overrides 22:26.720 --> 22:28.000 in top of Inspector. 22:28.040 --> 22:30.200 Then click on this apply all. 22:30.200 --> 22:36.840 So the changes you made in in in this player shape in hierarchy it's just going to be save in this player 22:36.880 --> 22:39.160 GameObject prefab as well.