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|8x 00:02:55,930 ‫projectile trail as the particle system for this component. 40 00:02:55,930 --> 00:02:59,800 ‫So pause the video and create this particle system component now. 41 00:03:02,720 --> 00:03:03,170 ‫Okay. 42 00:03:03,170 --> 00:03:09,510 ‫So I'm here in vs code and I'd like to close out of the classes I'm not using and go into projectile 43 00:03:09,860 --> 00:03:14,740 ‫h and here is where I'm going to add the particle system component. 44 00:03:14,750 --> 00:03:22,400 ‫Now I'm going to forward declare this and it's going to be U particle system component pointer and I'm 45 00:03:22,400 --> 00:03:28,040 ‫going to call this trail particles since this will be a smoke trail. 46 00:03:28,310 --> 00:03:38,060 ‫Now I'm going to give this a U property and make it visible anywhere as is done with our components 47 00:03:38,060 --> 00:03:38,780 ‫typically. 48 00:03:38,780 --> 00:03:45,290 ‫And I'm going to give this a category and I'll add this to the combat category. 49 00:03:45,290 --> 00:03:46,850 ‫So we have a U. 50 00:03:46,850 --> 00:03:49,280 ‫Particle System component pointer. 51 00:03:49,280 --> 00:03:52,190 ‫It's time to construct this in the constructor. 52 00:03:52,190 --> 00:03:58,040 ‫So let's go to projectile CP and scroll up to the constructor and we can add this here. 53 00:03:58,040 --> 00:04:12,770 ‫So we're going to say trail particles and use create default sub object using U particle system component. 54 00:04:15,230 --> 00:04:20,420 ‫And in the parentheses I will give it some text and call this smoke trail. 55 00:04:22,190 --> 00:04:25,940 ‫Now I'm going to need the include for you particle system component. 56 00:04:26,180 --> 00:04:27,920 ‫So I have my documentation. 57 00:04:27,920 --> 00:04:29,960 ‫I'm simply going to search for you. 58 00:04:29,960 --> 00:04:32,300 ‫Particle system component. 59 00:04:33,300 --> 00:04:40,260 ‫And click on you particle system component scroll down and here's the include it's in particles slash 60 00:04:40,260 --> 00:04:42,670 ‫particle system component H. 61 00:04:42,750 --> 00:04:47,400 ‫So I'm going to include that here at the top just under gameplay statics. 62 00:04:47,940 --> 00:04:49,950 ‫So I've created my trail particles. 63 00:04:49,950 --> 00:04:52,950 ‫I now need to attach them to the root component. 64 00:04:52,950 --> 00:05:02,340 ‫So I'm going to say trail particles using setup attachment and I'm going to attach this to root component 65 00:05:03,450 --> 00:05:05,010 ‫and now it's attached. 66 00:05:05,010 --> 00:05:09,210 ‫So we've created our trail particles and we've attached them to the root. 67 00:05:09,240 --> 00:05:11,880 ‫Let's go ahead and compile this now. 68 00:05:11,880 --> 00:05:13,170 ‫We're back here in the editor. 69 00:05:13,170 --> 00:05:20,220 ‫I'm going to open up BP projectile and here is my trail particles and it's parented to projectile mesh, 70 00:05:20,220 --> 00:05:21,270 ‫which is the root. 71 00:05:21,630 --> 00:05:23,880 ‫So I'm going to select trail particles. 72 00:05:23,880 --> 00:05:27,810 ‫And here in the details panel, I see the template variable. 73 00:05:27,810 --> 00:05:29,070 ‫It's under particles. 74 00:05:29,100 --> 00:05:33,240 ‫I can select the dropdown and choose projectile trail. 75 00:05:33,240 --> 00:05:37,260 ‫So that will set our projectile trail particle system. 76 00:05:37,260 --> 00:05:44,040 ‫And if you were curious what projectile trail looks like, we can go back to Asset's Effects and double 77 00:05:44,040 --> 00:05:45,420 ‫click Projectile Trail. 78 00:05:45,420 --> 00:05:50,010 ‫We took a look at this early on in this section and we saw that this is what it looks like. 79 00:05:50,010 --> 00:05:54,390 ‫So this is the particle system that will be attached to the root component. 80 00:05:54,390 --> 00:05:57,540 ‫And as you'll notice, it's designed to keep looping. 81 00:05:57,540 --> 00:06:01,410 ‫So it's going to keep playing as long as it exists in the world. 82 00:06:01,410 --> 00:06:03,570 ‫So let's go ahead and test this out. 83 00:06:03,570 --> 00:06:09,750 ‫I'm going to go ahead and hit play and as soon as I can, I'm going to shoot some projectiles and check 84 00:06:09,750 --> 00:06:10,710 ‫that out. 85 00:06:10,710 --> 00:06:12,300 ‫This looks amazing. 86 00:06:12,510 --> 00:06:19,770 ‫Our projectiles now have a smoke trail and if we go and aggro the enemies here, we'll see that their 87 00:06:19,770 --> 00:06:22,230 ‫projectiles have smoke trails as well. 88 00:06:22,650 --> 00:06:23,640 ‫Perfect. 89 00:06:23,910 --> 00:06:30,000 ‫So in summary, we now have smoke trails and our projectiles look quite a bit better. 90 00:06:30,000 --> 00:06:34,680 ‫Now, we still need a few effects and we're going to take care of those in the videos to come. 91 00:06:35,100 --> 00:06:36,120 ‫I'll see you soon.