WEBVTT 00:00.120 --> 00:04.030 Welcome to breaking up a model using particles. 00:04.050 --> 00:05.720 So falling apart. 00:05.820 --> 00:13.200 Unfortunately blender needs to be told how to break something up it's not going to do it automatically 00:13.410 --> 00:19.710 which often means we need to create geometry to reflect the part of the mod or parts that we want to 00:19.710 --> 00:26.320 fall apart or snap or break or dissolve or what sort of effect we want from Blender. 00:26.550 --> 00:29.960 Now there are a couple of ways of doing that now manually. 00:29.970 --> 00:32.750 Now this is often the most and time consuming. 00:32.760 --> 00:39.510 And it is not advised we've constructed the wall manually that's one way of building up something in 00:39.510 --> 00:40.840 order to bash parts. 00:40.920 --> 00:46.700 Obviously if that was a whole building that would be quite time consuming to model each individual break. 00:46.740 --> 00:51.720 Not only that but it would take a lot of computational time as well. 00:51.720 --> 00:55.710 That's a simple model the actual brick wall that we've got so far. 00:55.890 --> 01:00.660 But if it was more complicated it would just not be advisable to go down that route. 01:00.660 --> 01:07.350 Now it may actually give you the most accurate model or the most control over your model as well. 01:07.350 --> 01:11.850 But there's an argument to say when you don't need to use the physics Well let's not use it and let's 01:11.850 --> 01:18.580 just use the physics on the bits we need to do and perhaps annamay the other bits otherwise. 01:18.660 --> 01:24.120 Generally anything to do with falling taking something apart breaking apart is actually going to use 01:24.120 --> 01:27.300 the particle system to help break up a model. 01:27.300 --> 01:29.380 And we'll explore that in a few moments. 01:29.610 --> 01:34.590 Now physics can then be applied to the pieces themselves that we've generated and we're not going to 01:34.590 --> 01:41.820 do that in this particular lecture but we do that in a future one very soon or the particle system itself 01:42.120 --> 01:49.350 and once the particle system starts behaving physically well then we can have lots of fun with it now 01:49.350 --> 01:50.970 affecting the particles themselves. 01:50.970 --> 01:57.840 Now the way that particles are affected by the physics is controlled in the particle system tab is not 01:57.840 --> 01:59.880 controlled in the physics itself. 01:59.880 --> 02:05.130 In fact the mesh itself the one we're going to take part in a moment doesn't have to have any physics 02:05.130 --> 02:06.680 applied to it at all. 02:07.880 --> 02:14.200 Now other objects that interact with those particles do need physics. 02:14.270 --> 02:18.770 So we're going to have a look at the particle settings in more detail and we're also going to look at 02:18.770 --> 02:21.790 the collision physics data as well. 02:22.070 --> 02:28.180 So let's hop straight on over and play with particles and exploding things in blender. 02:28.760 --> 02:30.290 So were over in blender here. 02:30.300 --> 02:32.770 And let's start playing with this cube. 02:32.900 --> 02:37.240 Now if we're destroying anything we want it to break into multiple pieces. 02:37.310 --> 02:42.850 And like we have done before let's give this cube some pieces for it to break into. 02:42.950 --> 02:44.930 In this case it's going to be quite regular. 02:44.940 --> 02:49.490 I'm literally going to go to a subdivision surface modifier. 02:49.550 --> 02:53.990 So we got here and we're going to increase the number of subdivisions. 02:54.000 --> 02:58.910 Now I'm not going to apply the modifier at the moment we shouldn't have to do that unless it's absolutely 02:58.910 --> 03:04.280 necessary because I'm just going to use a particle effect to move things out now in the future he wanted 03:04.280 --> 03:08.800 to make this particular or the bits that blow out individual objects. 03:08.900 --> 03:12.780 Now that's where you would actually have to apply servais are separate objects. 03:12.970 --> 03:15.250 Okay so we've got a ball here. 03:15.290 --> 03:15.620 Okay. 03:15.620 --> 03:16.280 Brilliant. 03:16.280 --> 03:21.350 Let's add a something for particles to collide with like a plane. 03:21.350 --> 03:23.360 And I'm just going to scale that up. 03:23.720 --> 03:30.380 Okay so now that's scaled up let's add the particles in so selecting the US is a cube that's let's call 03:30.380 --> 03:31.330 it ball. 03:31.760 --> 03:36.390 So selecting the ball I'm going to add a particle system to it. 03:36.590 --> 03:38.000 And I'm not going to do anything else. 03:38.000 --> 03:40.980 I'm just going to press play so often. 03:41.210 --> 03:44.560 And we can see what happens so these particles are being generated. 03:44.570 --> 03:49.240 And if we have a look at the particle settings themselves we can see what's going on. 03:49.340 --> 03:55.770 There are a thousand particles being generated between frame 1 and two hundred. 03:56.000 --> 03:59.180 And they've got a life of 50. 03:59.210 --> 04:04.370 So we're not going to see any of these die within this particular scene that we've got set up at the 04:04.370 --> 04:05.210 moment. 04:05.210 --> 04:10.940 But if I set the end value to let's say one hundred fifty we're going to see that some of these are 04:10.940 --> 04:11.650 falling. 04:11.660 --> 04:12.160 Here we go. 04:12.170 --> 04:15.310 They just die at this point which is at 50 frames. 04:15.320 --> 04:21.320 They just start disappearing now in a moment when we actually attach that and make this sphere explode 04:21.320 --> 04:26.120 while that all mean is basically it pauses it no longer has a particle. 04:26.120 --> 04:30.410 So that part of the mesh just stops doing anything really. 04:30.410 --> 04:35.720 Now one of the things that you can do to make sure this is optimal is have a look at the number of faces. 04:35.720 --> 04:41.000 So we've got our our selected here we have a look at the number of faces it has we can see it's three 04:41.000 --> 04:42.910 hundred and eighty five. 04:43.280 --> 04:49.200 So the number of pieces we can physically break this ball into is three hundred eighty five and no more 04:49.430 --> 04:54.680 so we don't need any more on this emissions value than three hundred and eighty five. 04:54.680 --> 04:57.110 It would just be a waste. 04:57.110 --> 05:02.630 The other thing we can do here is increase the lifetime so it actually lasts at least as long as the 05:02.630 --> 05:03.410 scene. 05:03.710 --> 05:08.900 Now the other thing that we can do here is have a look at this start value an end value. 05:08.910 --> 05:11.870 Now I'm going to increase the start value to frain 10. 05:12.080 --> 05:17.850 So no particles will exist until frame 10 but they will still last 200. 05:17.990 --> 05:24.640 So some of these 385 won't actually exist in this particular scene that we've got set up because it 05:24.650 --> 05:26.370 only gets to frame one hundred fifty. 05:26.510 --> 05:36.370 Now if I set the end of the particle generation down to 10 that means that all of those three hundred 05:36.410 --> 05:42.340 eighty five individual particles are generated instantaneously at frame 10. 05:42.380 --> 05:46.470 And I'm going to leave it like that for the moment because that's more of an explosion. 05:46.850 --> 05:50.600 Something else would be more of a houseboat in evaporation. 05:50.600 --> 05:55.050 So we've got a couple of other options down here but before we start hearing with those. 05:55.070 --> 06:00.220 You may notice that the actual particles themselves are falling through the frame. 06:00.230 --> 06:04.060 Now this plane that we've got set up here we don't want that to happen. 06:04.130 --> 06:05.770 We want them to hit this plane. 06:05.870 --> 06:08.380 So let's go ahead and look at the physics now. 06:08.390 --> 06:14.600 Ordinarily you'd add a rigid body to this for things to collide with but it's not a rigid body these 06:14.600 --> 06:16.410 are particles. 06:16.550 --> 06:19.510 So we need to select collision instead. 06:19.520 --> 06:23.660 Now when we select collision you can see that some of these particles are going to switch back to the 06:23.660 --> 06:25.990 spheres so we can see them. 06:25.990 --> 06:31.490 All of these particles are bouncing in and around and they're not really being dampened they're just 06:31.490 --> 06:35.080 continuously bouncing which seems a little bit unrealistic. 06:35.080 --> 06:37.680 Usually they would come to a settling point. 06:37.850 --> 06:42.830 So going back to the plane itself that we've added the colation to notice with not mucked around with 06:42.830 --> 06:48.350 any physics to do with the actual particles themselves we don't have to do that. 06:48.350 --> 06:53.540 What we do have to do with however is play about with the collision settings. 06:53.630 --> 06:59.430 So if we have a closer look we can see that the whole left hand side is all devoted to particles wiegert 06:59.480 --> 07:01.820 particle Perman ability stickiness. 07:01.910 --> 07:03.400 We can kill the particles. 07:03.560 --> 07:06.750 Now that just basically means as soon as they strike that surface. 07:06.920 --> 07:13.330 Stop and do nothing else but that can cause other issues as well but it's a great starting point. 07:13.370 --> 07:16.260 Now we've got dampening and friction. 07:16.310 --> 07:19.800 So let's play with each one individually permeability. 07:19.820 --> 07:24.730 Well the higher that is the more of these particles that will pass through. 07:24.950 --> 07:30.470 And that's a great way of if something impacts something else if you want it to basically vaporize and 07:30.470 --> 07:36.980 disappear so there's less the brewery or something along those lines stickiness and dampening a very 07:36.980 --> 07:38.300 very similar in what they do. 07:38.300 --> 07:46.160 So the stickiness is as you can probably guess how sticky the surfaces dampening does dampen the bouncing 07:46.160 --> 07:49.460 and the movement of particular particles. 07:49.460 --> 07:51.180 So we can see it's coming to a rest. 07:51.200 --> 07:57.350 But when they eventually come to a rest we'll look at that they're still sliding away and this is where 07:57.350 --> 07:58.820 the friction comes in. 07:58.970 --> 08:04.580 So we can increase the friction factor and play with these until we're happy so we can have a high damp 08:04.580 --> 08:07.220 and low friction and then there we go. 08:07.220 --> 08:09.830 They come to settle down. 08:09.830 --> 08:14.420 Now we're not actually seeing anything happen at the moment with this sphere so let's go ahead and do 08:14.420 --> 08:16.370 that now we've set up the particles. 08:16.370 --> 08:19.690 Let's actually have the sphere explode and see what happens. 08:19.820 --> 08:25.280 So go to the modifier tab on this sphere or the ball that we've got set up and I'm going to add in explode 08:25.280 --> 08:26.160 modifier. 08:27.000 --> 08:28.830 And hopefully I'm okay. 08:28.830 --> 08:34.950 So this is too long to set it back to 100 frames the end 100. 08:35.130 --> 08:36.050 Okay. 08:36.630 --> 08:37.650 That looks pretty good. 08:37.650 --> 08:41.130 I like that it's a bit too bouncy but will leave it as it is for the moment. 08:41.130 --> 08:42.960 Plenty of room for improvement. 08:42.990 --> 08:48.090 Now look at that the particles themselves are all rigid and quite uniform. 08:48.090 --> 08:54.170 That's not something we want so we can go back to the particle settings and change things. 08:54.390 --> 08:56.090 So let's go to the particle settings. 08:56.120 --> 09:02.370 You will also notice by the way that this is you know these bits as dug into the surface there's nothing 09:02.370 --> 09:04.520 we can do about that at the moment. 09:04.560 --> 09:09.630 They'd have to be individual objects to not dig into the surface like this because it literally around 09:09.690 --> 09:17.100 each of the particles themselves the faces that were on that ball and now sort of. 09:17.100 --> 09:18.650 So centred around. 09:18.930 --> 09:21.320 So let's have a look at the other settings. 09:21.420 --> 09:24.980 So we've dealt with emission so I'm going to turn that were not off. 09:25.000 --> 09:26.980 I'm just going to hide it by clicking emission. 09:27.120 --> 09:28.560 The little arrow next to it. 09:28.560 --> 09:32.360 Velocity valve that's a great one as you can probably guess with velocity. 09:32.360 --> 09:35.530 It gives us a speed at which this thing's going to explode. 09:35.540 --> 09:39.830 So while if I said that's 10 that's going to be quite a violent explosion. 09:39.840 --> 09:45.330 And they go everywhere but you can still see that's pretty uniform in its explosion. 09:45.330 --> 09:50.430 Now in this particular case we can look down and see there's actually a random option here. 09:50.430 --> 09:57.270 So if we increase this random it's going to increase the random velocity and therefore make it a bit 09:57.270 --> 09:58.010 more scattered. 09:58.010 --> 10:05.080 In this case it's basing it from the emitter the normal explosion of terror value of 10. 10:05.100 --> 10:06.060 We don't want that. 10:06.060 --> 10:09.110 It's probably going to end up a bit smaller in this case. 10:09.150 --> 10:09.810 There we go. 10:09.810 --> 10:13.550 So that looks much much better already now. 10:13.560 --> 10:19.260 But the other thing is these pieces are still kind of stuck upright they're not bouncing off of the 10:19.260 --> 10:21.240 surface as I would expect them to. 10:21.420 --> 10:25.170 Now we can sort of round them hide the velocity for the moment. 10:25.240 --> 10:27.300 There's lots of other things you can play with here. 10:27.360 --> 10:32.360 But essentially we need to turn on rotation and set it to dynamic. 10:32.450 --> 10:39.330 So rotation are affected by collisions and effectors and effectors just other things that affect the 10:39.330 --> 10:41.580 particles some of the turn on dynamic. 10:41.670 --> 10:43.420 And we can see already. 10:43.440 --> 10:46.910 Every time it lands and they bounce they tumble. 10:46.920 --> 10:53.680 Now this isn't dampened enough at the moment sarm going to hop back to the plane go to the physics and 10:53.770 --> 10:58.890 she can turn up the friction I said dampening its sort of movement along the surface hasn't dampened 10:58.890 --> 11:04.740 enough sun and increase that number to increase the random amount as well so you get some stopping before 11:04.800 --> 11:05.480 others. 11:05.610 --> 11:07.390 So to see what's happening there. 11:07.710 --> 11:08.110 Yes. 11:08.130 --> 11:09.660 That's much much better. 11:09.910 --> 11:12.920 So let's go back to the particles and longer select the ball again. 11:13.290 --> 11:15.340 So there's a couple of other things that we can do here. 11:15.360 --> 11:17.190 I'm going to scroll down all the rest. 11:17.190 --> 11:22.500 In fact I'm going to hide them as we go so rotation we can play about with the physics settings themselves. 11:22.500 --> 11:27.390 I'm going to leave those as default for the moment because I don't think it's going to add anything 11:27.390 --> 11:30.180 to this particular set up a rendering. 11:30.180 --> 11:33.600 Now this isn't going to be important at this moment. 11:33.600 --> 11:39.870 We've got material but the material itself is really going to come from the actual ball that we're exploding 11:39.900 --> 11:42.150 and nothing else going to hide the brender tab. 11:42.210 --> 11:43.550 That's absolutely fine. 11:43.560 --> 11:49.040 So the next thing we really need to look at is the field awaits. 11:49.050 --> 11:53.820 Now this is telling blender how there's a load of things here we've not seen before. 11:53.820 --> 11:56.190 I'm only focussing on the gravity for the moment. 11:56.250 --> 12:00.570 The others are from force fields and other effect oars. 12:00.750 --> 12:06.760 Now the gravity itself we can change how our particular particles are affected by gravity. 12:08.100 --> 12:09.320 How cool is that. 12:09.510 --> 12:14.940 So you can actually make a particular explosion last longer by changing its gravitational effect. 12:14.940 --> 12:21.630 Obviously this is going to look less realistic if you wanted everything in the scene itself to be affected 12:21.630 --> 12:23.020 in the same way. 12:23.040 --> 12:29.640 Now if we remember from before the actual rigid body world settings as we saw it here but we also had 12:29.640 --> 12:30.670 a gravity setting. 12:30.780 --> 12:35.810 So we wanted a value that was point one of what it was before. 12:35.820 --> 12:38.410 I'm just going to go down to minus one in this case. 12:38.490 --> 12:42.550 We then get a much similar effect as we had before. 12:42.910 --> 12:46.570 I'm going to set that back to minus nine point eight one. 12:46.890 --> 12:50.390 Otherwise I'll wonder what is going on later Ron. 12:50.610 --> 12:57.270 Okay so we've learned quite a bit now about particles and how we can have them explode our model or 12:57.270 --> 13:00.040 at least separate individual parts out. 13:00.090 --> 13:02.700 And that leads us on to a challenge. 13:03.590 --> 13:10.790 Okay so I would like you to go ahead and shatter a sphere so set up a scene with at least three objects 13:10.820 --> 13:11.380 in it. 13:11.420 --> 13:16.660 And that is going to be a ground plane a cube and an exploding sphere. 13:17.240 --> 13:22.690 The sphere is peaches should bounce off of the floor and stick into the cube. 13:23.500 --> 13:29.740 And here's just a quick example of what I am going for here so you can see the the actual sphere is 13:29.740 --> 13:31.030 exploding. 13:31.030 --> 13:31.620 This. 13:31.660 --> 13:38.020 The shards are digging into the top of that cube and they're just bouncing and dissipating on the floor 13:38.020 --> 13:38.960 itself. 13:38.980 --> 13:42.070 So go ahead pause a video and give that a go. 13:44.440 --> 13:45.790 Okay guys welcome back. 13:45.940 --> 13:49.210 Let's go do this challenge and hop on over in a blender. 13:50.110 --> 13:55.180 Okay so I've opened up a brand new blender fast so we need a cube check. 13:55.180 --> 14:00.670 We need a ground for everything to happen on Oh gone too far. 14:00.700 --> 14:06.490 Let's go plain and I'm going to scale that up by a silly amounts or just minus. 14:06.670 --> 14:08.860 Then what happened there scale 100. 14:08.890 --> 14:11.110 There we go absolutely fine. 14:11.320 --> 14:15.510 So now we've scaled that up we've got this we've got one final thing to add. 14:15.520 --> 14:21.250 And I did say sphere so I'm going to actually go for an eco sphere because that's made out a triangle. 14:21.280 --> 14:22.350 Pretty cool. 14:22.570 --> 14:22.900 Okay. 14:22.910 --> 14:25.150 And it's already got a number of pieces. 14:25.150 --> 14:27.240 I'm only going to subdivide that one. 14:27.240 --> 14:31.300 So let's go in add a subdivision surface modifier. 14:31.300 --> 14:32.930 Excellent we got a good start. 14:33.160 --> 14:37.510 Okay so the next thing we need to do is add let's have a look at the number of faces. 14:37.510 --> 14:38.620 Two hundred forty seven. 14:38.620 --> 14:46.000 So I'm going to add in a particle system with two hundred and forty seven particles are going to set 14:46.000 --> 14:51.190 the start at 10 the end 10 so all explodes at once. 14:51.370 --> 14:57.860 And I'm going to set the velocity I'm going to leave it a one but at a randomness of two. 14:58.120 --> 14:58.660 Okay. 14:58.660 --> 15:00.120 So that's that bit sets. 15:00.210 --> 15:02.190 Not gonna play with anything else there. 15:02.290 --> 15:04.400 And I'm happy with the gravitational settings. 15:04.510 --> 15:08.280 So I'm going to start it playing and we can see what happens here. 15:08.290 --> 15:09.720 They all explode. 15:09.820 --> 15:10.820 Perfect. 15:10.870 --> 15:16.780 So the next thing that I will need to do in this case is start with this plane here and I might add 15:16.780 --> 15:18.150 a collision to it. 15:19.530 --> 15:20.040 Excellent. 15:20.040 --> 15:21.050 They're bouncing. 15:21.060 --> 15:27.630 Let's go to the plane itself I'm going to set both of these at point five and I'm also going to increase 15:27.660 --> 15:29.910 the randomness here as well. 15:30.030 --> 15:33.660 Just so that the particles are all affected slightly differently. 15:33.920 --> 15:36.870 And when you have to have a slightly longer. 15:38.430 --> 15:39.200 There you go. 15:39.210 --> 15:41.400 Otherwise we don't see a thing and they all disappear. 15:41.400 --> 15:42.720 Why did they all disappear. 15:42.840 --> 15:48.590 Because the particles themselves have a short lifetime so let's scroll back up and go to the admissions 15:48.590 --> 15:53.130 settings and Lifetime and was set to at least 100 so they don't disappear on us. 15:53.340 --> 15:54.210 So here we go. 15:54.210 --> 15:56.010 Bounce bounce. 15:56.040 --> 15:56.790 Excellent. 15:56.790 --> 16:00.130 Someone go to the modifiers tab and make it explode. 16:01.150 --> 16:01.980 Hopefully anyway. 16:01.990 --> 16:02.990 There we go. 16:03.810 --> 16:05.250 Still a bit bouncy. 16:05.250 --> 16:12.750 Okay so we can go back to this plane itself and with the collisions we can go to the physics tab and 16:12.780 --> 16:17.580 I'm going to turn up the particle dampening so they don't bounce quite as much and ascent all the way 16:17.580 --> 16:18.910 up to one. 16:19.050 --> 16:25.830 So we should get quite a dampen thing but with the randomness here a few bits there ago will bounce. 16:25.830 --> 16:27.320 And that's absolutely fine. 16:27.330 --> 16:28.390 The friction level is the. 16:28.410 --> 16:29.100 Okay yep. 16:29.100 --> 16:30.970 Things aren't sliding at all. 16:31.250 --> 16:34.140 Excellent so I'm happy with how that's working here. 16:34.230 --> 16:35.580 So I'm going to. 16:35.590 --> 16:36.540 Well what's next. 16:36.540 --> 16:39.060 Do they need to collide with this cube itself. 16:39.060 --> 16:44.880 So let's go to collisions and obviously they're bouncing crazily off of there and I'm literally going 16:44.880 --> 16:46.560 to turn at the stickiness. 16:46.560 --> 16:48.410 I could kill the particles actually. 16:48.420 --> 16:50.280 And then they would stick straight in. 16:50.280 --> 16:57.030 But the problem with that is if this cube were to move or hey that's so cool when that happens and select 16:57.030 --> 16:57.710 the cube. 16:57.840 --> 17:03.000 If we move the cube they stay in place and they're not affected whereas at the moment as you can see 17:03.000 --> 17:06.900 it while they're killing them off at that point that's unkill the particles with them. 17:06.930 --> 17:12.930 Unkilled they actually still interact with this particular cube. 17:12.930 --> 17:16.570 So we can have the cube brush through this debris of we wanted. 17:16.660 --> 17:23.700 So anyway so at this point it may be worthwhile turning up the stickiness and turning up the dampening 17:23.960 --> 17:30.660 and the particle friction all to one then they sticky in as they land rather than doing anything else 17:30.720 --> 17:31.620 perfect. 17:31.620 --> 17:38.410 So the final thing I want to do here is give the cube rigid body physics so it falls. 17:38.490 --> 17:42.300 But of course it needs to interact with this plane as well but have just shifted about. 17:42.300 --> 17:47.040 So let's also give that rigid body physics but of course make it passive. 17:47.220 --> 17:47.900 Okay. 17:48.240 --> 17:52.170 So now everything should fall literally into place. 17:52.320 --> 17:56.600 But something weird is happening so these are bouncing off of the ground. 17:56.610 --> 18:00.910 But not no longer are they sticking to my cube. 18:00.930 --> 18:06.170 Now I have had this a couple of times when I practiced and I reset the physics simulation. 18:06.180 --> 18:10.170 I haven't saved yet that's always a good thing to do when you're playing with physics. 18:10.170 --> 18:17.190 So I literally had a look at this and turned the rigid body off and on again and that fixed the particular 18:17.280 --> 18:18.620 issue I was having. 18:18.630 --> 18:23.430 ST That's all I've done there I've turned rigid body off and on again and it's stuck. 18:23.560 --> 18:28.350 I got really confused because I tried filling about with all settings but if necessary turn the rigid 18:28.350 --> 18:30.110 body settings on and off again. 18:30.240 --> 18:34.960 Now just remember when you do that you can lose your rigid body settings. 18:34.960 --> 18:41.370 Now I haven't set anything up specific at this point but if we had loads settings in here that's not 18:41.370 --> 18:42.710 gonna be necessary. 18:42.750 --> 18:50.010 The fastest way of fixing it I would save my scene itself and reopen it if I was locked into a confusing 18:50.010 --> 18:52.620 situation where things aren't being stuck in. 18:52.620 --> 18:59.850 But there we go we've got our debris scattering around sticking in the top of our cube and this having 18:59.850 --> 19:01.390 real world physics as well. 19:01.410 --> 19:05.620 In fact at this point we could start it off just a little. 19:05.640 --> 19:09.260 Well let's actually start it a little higher and slightly rotated. 19:09.330 --> 19:12.340 So actually hits the ground at a slight angle. 19:12.350 --> 19:13.990 So let's go ahead and play that. 19:13.990 --> 19:14.340 There you go. 19:14.340 --> 19:15.690 It's rolling around. 19:15.690 --> 19:16.640 Perfect. 19:16.650 --> 19:17.850 How did you guys get on. 19:17.850 --> 19:23.370 I'd love to see your results remember to share your work over on the forum and I will see you guys in 19:23.370 --> 19:24.560 the next lecture.