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Welcome back My favorite game developers to a brand new very long video.

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And this one, we have created animations for the blood.

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We have learned about arrays.

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And now you can see in the hierarchy when we shoot our enemy,

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you can see that we have different types of blood being instantiated.

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So for example, now the blood to then we have the blood for,

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then we have the three.

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So what's happening?

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We have a lot of Bloods and they are instantiating

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kind of randomly because we use an array.

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So let's not waste any more time and let's get started.

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So time to add some herd effect to our enemies.

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Let's go ahead and first of all,

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create all of these effects.

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So I'm going to go into the sprites,

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we have the blood splatter.

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I'm going to create a folder for the blood impact splatter.

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Maybe we should have called this the death, but no worries,

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we'll call this the impact splatters.

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So we know that the France and I'm going to go into

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the resources and you can see that I've provided you with more blood.

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You can either use these and slice them up or you can use these five right here.

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So let's choose all of them and drag them down into the folder right here.

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Why are we using all of them all?

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Because we want to have a bit of diversification between the 1D 2D,

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3D and et cetera.

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So you can see each one of them is just a little bit different than the other ones.

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So I'm going to save this and I'm going to create the animations.

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And it's pretty easy I think.

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So I'm going to do with and use the magic of editing to do it in 1 second.

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So o k, welcome back.

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So how did you get all of that?

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Let me show you what I did.

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So first of all, I created five bloods for the

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55 of blood impact that we have now they are not very different from each other,

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but there is a slight difference.

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So when we run this,

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you can see this is the first one.

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This is the second one that's a bit different.

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The first one is a bit more splashy.

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The third one, let's see.

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You can see that it falls down more than the second one.

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So you can see this is the two.

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This one is three.

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It's a bit more falling down.

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I'm not sure what to call it.

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The fourth, you can see it's very small and very concentrated.

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And the fifth one you can see it's very GUI.

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So what are we going to do?

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We're going to save all of that.

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I'm going to go into the Prefabs in here and I'm going to create a folder for

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the lot backed lashes splashes and I'm going to drag the blood 1,

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2, 3, 4, and 5.

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I'm going to save all of that.

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I'm going to delete them from the hierarchy.

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And now we have the blood in here.

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Now I think that we will probably have to destroy them and just a bit,

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but for now, no worries about that.

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We'll fix that when the problem arises.

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So what are we going to do?

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We want to instantiate these bloods every time the enemy gets hurt?

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And the way we do that is first of all,

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by obviously getting a reference to it just like we did with the death splatter.

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So this will be called the damage effect.

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For the damage.

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The damage effect.

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Let's just keep it at that or you can call the damage blood splatter whatever you want.

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And now what we're going to do is we'll simply going to

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instantiate it every time we get hurt.

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So down here, we are going to duplicate this.

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Move it up a bit.

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And if you remember how we duplicate Control D,

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how did we move this very nicely by holding down Alt and using the arrow keys.

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So now we instantiate v.

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What should we instantiate the damage effect?

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And it's on the transform position of the.

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So I'm going to save all of that.

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I'm going to go back into our game.

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I'm going to choose the enemy here we have the damaging effect,

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and let's choose blue one.

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Save that.

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And now we are going to run the game.

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And now I'm going to shoot our enemy.

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There we go. You can see the blood.

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Obviously it's on repeat.

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Okay, so now we need to start instantiating these effects every time the enemy gets hurt.

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So where are we instantiating the effect or the impact effects of the bullets?

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Well, we are instantiating them in the layer bullet controller.

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So you can see this is where we instantiate them.

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Now what do we want to do whenever we are hitting a wall,

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we have this bullet Impact effect.

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But whenever we are hitting an enemy,

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we want to have some kind of load effect.

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So I'm going to duplicate this line right here.

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And I'm going to call this the mature.

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I call it the damage fact.

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Because this means that there will be some kind of damage

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when we have damage means there's blood means there's something different.

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And what we'll do in here is every time we hit an enemy,

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I'm going to open up the brackets.

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And I'm going to add right here that we instantiate and instantiate

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the damage effect on the transform position and the transform rotation.

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But what we don't want to have as when we're

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hitting the enemy and we still instantiate a bullet effect.

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So what I'm going to do is I'm going an else statement here.

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And I'm going to move this entire line down into that else statement.

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How am I doing this?

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By holding down Alt and using the arrow keys on one of the lines that I want to move.

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So now what happens when the bullet

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Impacts or has a collision and that collision has a tag of an enemy,

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then we will have this blood splatter

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and we will access the animal controller and deal damage.

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If not, if it's not the enemy,

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which means we are hitting,

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I don't know whatever it is.

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We are going to have the bullet and back effect.

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So I'm going to save this.

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I'm going to go back in here.

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And here, I'm going to look for my bullet in the prefabs,

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prefabs V bilayer bullet in here,

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we should have the player,

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but I should have the damage effect.

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I'm going to lock this in the inspector

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so you have this little login here, you can click it.

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Now, whatever you press,

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you don't change from the player book inspector.

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And this is helpful. Why? Because we can now open this file,

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choose the blood one,

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and let's add it in here into the damage of fact,

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save all of that, run the game.

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And now we should see that when we are shooting at the wall, we have this impact.

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When we shoot an enemy.

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There we go.

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We have the blood playing on repeat,

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which means that we will have to change the animations.

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And I didn't tell you that I've created animations.

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Can just remove that.

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And let me delete this folder.

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I had it by mistake.

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So splash one, remove this.

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Splash to remove this of the looping of the,

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oops, I turned it on by mistake. Turn it off.

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Turn off. So there you go.

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We have all the animations not on looping, okay, save that,

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run the game now when we should the enemy,

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we should see the blood splatter of blood one.

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Okay, So that's fine and dandy and everything is good.

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But we have five facts for a reason.

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How are we going to make sure that one of them is rendered?

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And not only that, how are we going to make sure that

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a random number of these is rendered?

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So we need multiple objects of blood in here.

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Now, what we can do is we can simply go ahead and duplicate this five times.

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Damage 123, etc.

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So we have five damages that we can call at randomly.

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That's a solution, but it's not the optimal solution because for example,

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let's say we want to have maybe 17 damage effects.

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Do we have to go ahead and create 17 variables?

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Well, you can, but first of all, it's very cumbersome.

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Second of all, it's not a good way of using the resources.

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What is a good way of using resources as creating something called an array?

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So what is an array?

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An array allows you to store multiple objects of the same type in a single variable.

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So we can go ahead and create an int.

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So for example, a array of integers,

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for example, which is the number of enemies.

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So I can store, for example,

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4, 6, 11, and 71.

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And each one of these little data's in the array.

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You can see that we have first of all,

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the type just like an a variable,

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but the only difference, we add these two square brackets.

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We have the name and we have the values.

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And each one of those values is or has an index inside.

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So for example, the four is indexed at 0.

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And remember we always start indexing at 0, not 10.

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The six is at index one,

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the 11 is at index two,

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and the three is at index.

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I mean, 71 is at index 3 and we can have as many as we would like.

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So now that you have a bit of an understanding of what arrays are,

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and one more thing we can determine the length of an array.

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So for example, the length of this array is four because we have four values.

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So out of the way, this little explanation,

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let's try to implement it a little bit and you can see how that works.

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So I'm going to go back and unity or actually no in here.

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And how do we convert this damage effect to an array?

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We simply add these two square brackets.

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And now I think it's appropriate to name this not damage effect,

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but damage effects with an S on the end,

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because it's plural now.

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So we'll use our handy tool of control or, or,

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and we'll simply add an S at the end, hit Enter.

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Now the damage effect here is different,

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but you can see that the instantiation now is wrong.

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Why? Because we are trying to instantiate an array of effects which does not work good,

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but we will fix that,

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or actually you are going to fix that later on in the challenge.

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First of all, let's add all of the damage and see how it looks in the inspector.

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So if I go to my bullet,

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in the prefabs player bullet,

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you can see right here, where is it?

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So something is wrong.

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What is the problem?

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And the console? Let's double-click and see.

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Oh, so let me just comment this out.

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Save that sometimes when you have an error,

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the script doesn't assemble properly.

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So now that we fix this problem,

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and we can see right here that we have damage effects,

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no longer a single element,

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but we can open it up and have a list of elements.

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What we can do is we can say that the array size is two. Hit enter.

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Now we have two elements,

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or we can do it the old-fashioned way and hit the plus right here and add an object.

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But I will show you an even nifty trick.

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I'm going to lock the inspector in here.

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I'm going to go to my prefabs.

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I'm going to click on the first one,

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hold down, shift, click on the last one.

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So I have all of them selected and I'm going to drag them to the damaging effect.

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And voila, now you have why did I use water?

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Now we have the 50 bloods and you can see the elements numbered from 0,

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1, 2, 3, and 4.

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Now the next step is to instantiate one of them randomly.

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And I can show you,

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first of all, this will be a challenge.

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I'm not sure which I should show you first.

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Let me first of all, show you this.

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So we have something called random range,

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which returns a random number.

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Go ahead, look at up.

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Now it's time for your challenge.

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And your challenge is to create a random effect.

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So number one, create a random splash from 0

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as the minimum value and the length of the array as the maximum value.

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So now you're a bit confused.

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What is Michael talking about?

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Again, we go back to this one.

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The minimum, the maximum.

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There you go. Use this, look for it.

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Back in here.

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Assign that value to an integer variable that you will create locally.

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So create a random integer,

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assign it a random number.

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Look for random latrines 0.

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Okay, so I've added that.

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And finally, I will give you a hint.

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If you don't want the hint,

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It's about how do we get the length of the array.

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I'll give you the hint. If not,

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pause the video, go to the challenge.

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You want to have the hint, use dot length to get the length of the array.

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You can even look up a couple of examples are no,

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this is a bit of a hard challenge.

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I would add on a scale of one to 10 as a beginner,

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this is a 10 because first of all,

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you've just learned arrays.

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Second of all, you are using random.

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I know it's hard.

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Take your time, pause the video,

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use your solving problems skills,

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everything that you've acquired,

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and don't worry about it when you finish the challenge.

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If you don't know how to do it,

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I'll do it in front of you, but try.

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Most important, at least give yourself five minutes to try.

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So pause the video right now and go do your best and the Chaldean.

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Okay, welcome back.

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00:14:46,520 --> 00:14:49,430
So whenever we hit an enemy,

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what we're going to do is we are going to create a random variable and locally,

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so locally means inside of here,

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every time we hit an enemy,

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I'm going to say that we have an integer variable,

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which is going to be the selected splatter.

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And it's going to be equal to a random range.

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So just like we have in the examples,

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and Unity's documentation is going to be between 0 and the death splatter or no,

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what we call it, appear the damage affects.

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The damage affects dot length.

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Save that.

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So now what happens in here,

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we have this integer.

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It's equal to a random range.

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And you can see right here that we have the minimum.

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So why is it 0? Because we want to choose

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a random number from the array that we have in here.

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And the first index is 0,

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and the last index is going to be the damage length.

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But there is something very important that I want to point out to you.

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And if we look here at the explanation,

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you can see that the minimum is inclusive while the maximum is exclusive.

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What does that mean? Inclusive?

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That means that we can choose a random from 0 to the maximum.

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So 0 is inside.

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0 can be one of those random numbers.

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But the maximum, which is the length, cannot.

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And this is important because indexing in an array,

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if we choose the length,

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the length is always bigger than the last index.

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Because if I go back and the example in here, let me show you.

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00:16:35,010 --> 00:16:38,520
So let's say what is the length of this entire array?

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It's four because we have four points.

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00:16:41,125 --> 00:16:46,395
But if I try to access the fourth number in this array,

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I will get an error because we have the index is 0, 1, 2,

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00:16:51,085 --> 00:16:53,595
3 if I try to access the fourth,

307
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so for there is nothing,

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00:16:55,375 --> 00:16:58,035
I get an error and I start crying.

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00:16:58,030 --> 00:17:01,180
Not necessarily, but I hope you get the point.

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Next thing we're going to do is we want to instantiate.

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So now that we have our random number,

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what we can do as from between the effects,

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I can open up the brackets and I can use the selected splatter random.

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00:17:17,505 --> 00:17:24,185
So now I have a random number which is between 0 and the length minus one,

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obviously because it's exclusive.

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And now I can instantiate the damage effects

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or one of the damage effects randomly using this number.

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So I could have said the 0 V1,

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00:17:37,909 --> 00:17:41,539
but I've selected the random splatter.

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So let's save that.

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I hope you understand everything.

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00:17:45,020 --> 00:17:47,200
If not, just take another look at it,

323
00:17:47,195 --> 00:17:49,385
maybe replay the video, understand everything.

324
00:17:49,385 --> 00:17:54,115
I've tried to be as detailed as possible while being a boring.

325
00:17:54,110 --> 00:17:57,520
I think this is one of the longer videos, but no worries.

326
00:17:57,515 --> 00:17:59,275
I'm going to go into my game.

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00:17:59,270 --> 00:18:03,220
We're going to remove this right here is like the enemy.

328
00:18:03,215 --> 00:18:05,155
And by the way,

329
00:18:05,150 --> 00:18:07,480
I also made sure that all the blood you can see right here,

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the sorting layer as the enemy.

331
00:18:09,275 --> 00:18:11,905
So you can see it. And where's the enemy?

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00:18:11,900 --> 00:18:15,170
I'm going to give him a thousand or 10 thousand health

333
00:18:15,170 --> 00:18:18,920
just so we can see properly all the blood splatters.

334
00:18:18,920 --> 00:18:20,890
So I'm going to get there but close,

335
00:18:20,885 --> 00:18:23,495
I'm going to shoot 12345.

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00:18:23,495 --> 00:18:24,955
So there you go.

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00:18:24,950 --> 00:18:29,690
You can see the something isn't completely right,

338
00:18:29,690 --> 00:18:31,360
so I'm going to shoot.

339
00:18:31,355 --> 00:18:35,605
And what is the problem with this 1, 0 case?

340
00:18:35,600 --> 00:18:41,870
So I just found the problem and the blood 5 I've added right here, the blood.

341
00:18:41,870 --> 00:18:43,640
Look when you play the animation,

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00:18:43,640 --> 00:18:46,490
the last one is a red dot.

343
00:18:46,490 --> 00:18:47,590
So what I'm going to do,

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00:18:47,585 --> 00:18:50,755
I'm going to remove the last one. And there you go.

345
00:18:50,750 --> 00:18:55,280
Now, we only have this when the blood finishes at the spears.

346
00:18:55,280 --> 00:18:57,380
Save all of that.

347
00:18:57,380 --> 00:18:59,960
And let me just choose the moon.

348
00:18:59,960 --> 00:19:03,940
The blood 5 and a live changes.

349
00:19:03,935 --> 00:19:08,785
Delete it again in the bullet. Let me see.

350
00:19:08,780 --> 00:19:14,980
Maybe because we changed something, maybe prefabs bullet.

351
00:19:14,975 --> 00:19:17,345
Okay. Still working, save that,

352
00:19:17,345 --> 00:19:18,835
go back in our game.

353
00:19:18,830 --> 00:19:21,860
Obviously we'll need to remove all of these so a shoe,

354
00:19:21,860 --> 00:19:23,860
the enemy, let's see.

355
00:19:23,855 --> 00:19:25,375
We have different bloods.

356
00:19:25,370 --> 00:19:27,800
Nope, it's still there for some reason.

357
00:19:27,800 --> 00:19:29,980
Why is that? It's very annoying.

358
00:19:29,975 --> 00:19:33,125
Okay. So I discovered that the blood for

359
00:19:33,125 --> 00:19:37,075
also has its last frame as this red annoying dots.

360
00:19:37,070 --> 00:19:40,220
So I'm going to delete it and save that.

361
00:19:40,220 --> 00:19:43,220
I'm immediately deleting it inside of the prefab.

362
00:19:43,220 --> 00:19:44,810
So I simply go to the prefab,

363
00:19:44,810 --> 00:19:45,830
double-click on the three.

364
00:19:45,830 --> 00:19:51,400
Let's see if this one also has the little annoying red dot that you go up.

365
00:19:51,395 --> 00:19:52,835
Okay, So there you go.

366
00:19:52,835 --> 00:20:00,595
It's also has it save that and blood to zoom and see the animation.

367
00:20:00,590 --> 00:20:04,370
Okay, another bloody work.

368
00:20:04,370 --> 00:20:07,400
This video is getting out of control.

369
00:20:07,400 --> 00:20:08,870
So there we go,

370
00:20:08,870 --> 00:20:11,030
the last one, we also delete that.

371
00:20:11,030 --> 00:20:12,290
And one thing I noticed,

372
00:20:12,290 --> 00:20:15,710
I want to choose all of the prefabs and make sure that all

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00:20:15,710 --> 00:20:19,240
of their positions is at 0 so they don't get instantiated.

374
00:20:19,235 --> 00:20:21,155
And some weird place.

375
00:20:21,155 --> 00:20:22,715
Anyways, back to our game.

376
00:20:22,715 --> 00:20:27,105
I hope this time everything should be working perfectly.

377
00:20:27,109 --> 00:20:32,449
So I'm going to run the game and I'm going to shoot the enemy.

378
00:20:32,450 --> 00:20:33,110
There you go.

379
00:20:33,110 --> 00:20:34,760
This is the thick blood.

380
00:20:34,760 --> 00:20:36,400
Sugar them again.

381
00:20:36,395 --> 00:20:39,655
Again, it's a different kind of blood. You can see it's blocked.

382
00:20:39,650 --> 00:20:41,000
Three.

383
00:20:41,000 --> 00:20:45,850
Blood for Blood one.

384
00:20:45,850 --> 00:20:51,000
There you go. You can simplify to again, blood one.

385
00:20:50,995 --> 00:20:53,715
So as you can see, whenever we are shooting the enemy,

386
00:20:53,710 --> 00:20:57,340
we have different types of blood's getting instantiate.

387
00:20:57,340 --> 00:21:01,300
So you can see it's a random number getting shot out.

388
00:21:01,300 --> 00:21:03,220
So I hope you enjoyed.

389
00:21:03,220 --> 00:21:05,950
Obviously, there are a couple of things that we will need to

390
00:21:05,950 --> 00:21:09,180
fix with our blood not getting destroyed at the end,

391
00:21:09,175 --> 00:21:13,885
we might find a different way of fixing it once we learned some extra tools,

392
00:21:13,885 --> 00:21:17,915
or maybe we can just remove them using the events and our animations,

393
00:21:17,919 --> 00:21:19,839
which is also very helpful.

394
00:21:19,840 --> 00:21:21,550
So I hope you enjoyed,

395
00:21:21,550 --> 00:21:23,470
I hope you're enjoying this course.

396
00:21:23,470 --> 00:21:27,370
I hope you're not being a bit demotivated by the length of the,

397
00:21:27,365 --> 00:21:30,815
some of the videos because I go into a couple of details.

398
00:21:30,815 --> 00:21:35,045
I hope you like the fact that I make mistakes and keep them in here so we can

399
00:21:35,045 --> 00:21:40,225
fix them together and leave me a review if you are enjoying.

400
00:21:40,220 --> 00:21:41,600
I know I've said it before.

401
00:21:41,600 --> 00:21:43,430
I will maybe say a couple of times,

402
00:21:43,430 --> 00:21:47,390
so make sure to do the review so you don't have to hear it anymore.

403
00:21:47,390 --> 00:21:51,860
And make sure to of course, do the commits.

404
00:21:51,860 --> 00:21:57,320
I'll see you in the next video where we will be giving the enemy and ability to shoot us.

405
00:21:57,320 --> 00:21:58,940
So currently he is very weak.

406
00:21:58,940 --> 00:22:01,930
We want to give him a way to defend himself.

407
00:22:01,925 --> 00:22:04,025
So see you then.