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Hello, guys.

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In this video, we're going to change color of the platforms and that will be our last features before

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we make level parts.

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I guess.

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So what are we going to do here?

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Basically something very simple we're going to use on trigger enter.

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We're going to get access to component of the sprite renderer and on trigger enter.

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We're going to change color.

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So I guess you know what to do now and you can try to do it as a challenge.

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All right.

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Go and try to do that.

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So when you step on the platform, you change the color of the platform.

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You have a couple of seconds before I continue and show what to do.

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One, two, three.

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So what we do here, I'm going to take my level part and I did delete traps because I want to have an

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easy test in here.

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Let's take the platform.

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I'm going to create empty object under the platform and I'm going to call it body.

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Then I'm going to add component of Box Collider.

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And now whenever I change size of the platform.

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I changed scale of the platform to any size I want Collider of my body going to have same size.

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So we have nothing to worry about when we change platform and now we can take a leader of the parent

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over here and make it A's trigger.

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All right.

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It is done.

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Now let's go and add component.

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New script.

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Platform.

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Controller.

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I guess now what I'm going to do here first is to get access to Sprite Renderer Serialize Field.

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By what bright renderer S.r At this time I don't want to do it in the start.

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I'll just do it in the inspector as well.

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I do need an update.

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And now on trigger enter to DD.

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You're going to check if collision happens with the player.

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So if collision dot get component of a player not equals to null, then we take S.R, dot color equals

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two and we're going to assign new color.

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And as of now we don't have any color shop or anything.

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I'm just going to write color dot white just for testing.

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Let's go there now.

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I'm going to drag my Sprite renderer over here.

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And going to go back.

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I'll let me check my endpoint.

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Well, it can be a bit further, so we have to jump sometimes.

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Now, look, I step on the platform and I change colour of the platform.

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Now, first question, What if you want to have different color, not white?

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We're going to purchase colors from the shop that we're going to create later.

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As of now, let's just create a variable in the game manager.

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Mhm.

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Public color.

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Lot form color.

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And in the platform controller instead of white.

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We're going to do game manager.

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That instance, that platform color.

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See, that was I was talking about when I was saying we need a game manager that we can use as a hub

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for different properties.

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That was so easy to do.

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Now in the game manager, I'm going to choose color to something like, Well, let me choose.

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Yellowish and pay attention here.

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Alpha channel is zero.

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It's always like that by default.

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So we need to increase it to not make it transparent.

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Now we have Alpha channel full.

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We have purchased color on the platform.

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And let's go and see this first.

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Yeah.

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Now it's yellow.

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It's pretty.

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I like it a lot.

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But what if we don't want to change color of entire platform?

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What if we want to have kind of a header on the platform that we want to change?

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Well, I have a solution for that because I made the problem, so I have the solution.

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Let's go to level part our platform.

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We need to find our platform and I'm going to create another child here that will be Sprite Square.

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I'm going to call it as Heather.

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Going to choose certain layer.

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Platform one I'm going to do order layer one and I want to change color to default color.

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We have here reset position.

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Now we need to go to platform itself and get reference to that header.

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So serialize Field Private Sprite Renderer header S.r.

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And now we need to start function, start.

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And through the start function, we're going to change and control size of the header.

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What I mean by that, look at the moment we have a couple of issues with the header because scale of

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the child changes always according to the parent.

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So for example, if I would make this different color and I would make it slimmer just like that and

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I suppose this would be want, right?

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And if I would make another platform and I would change the size of this platform to something like

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this, look at the header.

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You see, it's wider, it's slimmer, it's not what we need.

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We want to have same size all the time.

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At least that's what I want and we have to do it through the code.

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Because now, even though scale is 0.5 here and 0.5 here, they obviously different because it is a

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scale according to the parent we have here, How we can do that.

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First, we can assign new parent and I'm going to assign level parts as a parent.

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So it still will be deleted together with the level part, but it won't have scale according to the

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platform.

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And second, I'm going to assign scale of the header according to the size of the platform.

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What I mean by that.

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So I'm going to create new blood firm.

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Like that.

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Then I'm going to take Heather and remove it from the platform and make a child of the level part like

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that.

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Now Heather is separated object, and now if I change skill to 0.1, it's going to be slim like that.

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All right.

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Now, if I take another platform.

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And I'll make it.

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Let's say.

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This much white.

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You see how Heather looks by default.

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But if I take it from here and make it child of the leveled part, not the platform, and then I'm going

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to change scale to point one again.

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You see how it looks now?

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Their only task here will be to put it on the top to make it look like this.

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And we can do all of that in the code.

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Let's go and do that.

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Let's go to the code of the platform.

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First, let's assign Heather here.

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Okay.

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Now it's assigned in the inspector.

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And over here, first, what we can do is Heather S.r, dot transform, Dot parent equals to transform

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parent.

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So we send it parent of the heather will be my parent, parent of this transform.

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And this transform is a platform, and his parent is a level part.

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I hope it's not confusing.

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We assign the parent just like I did with my mouse.

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Now we need to change the size and for that I can do Heather As our transform, local scale equals two.

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And now I'm going to take my size and let's do new vector two for the x.

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It should be same as a platform.

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So SSE are.

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Bounce size X and for the Y we want to set value.

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And if you remember, I did set scale to 0.1, so I'll just type here, point one.

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Oh, let's try point two.

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I want to see how it looks with the two some point two F.

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Now half job is done here.

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Let's go and check this one.

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And to make it easier to check for us, I'm going to first I'm going to change color back to default.

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I'm going to create another platform, place it on the right, but I'm going to make it slimmer, much

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slimmer than another one I'll place here.

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And I'm going to make it wider.

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Now let's go and see if it works.

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Now, wait.

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We need to change.

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And point as well.

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So it won't be overlaid.

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Especially with the below, even with the gizmos.

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Let's go and see.

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Oh, I forgot something important.

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Yeah.

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I'm sorry.

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We need to change.

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Actually, not as our color, but Heather as our trigger enter.

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And I hope you did notice that before me.

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So I'm going to come in this line just in case we need it.

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And over here in the top, Heather, as are color equals to game manager dot, instant dot, platform

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color.

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Okay.

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Check this out.

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It's slim.

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Same as the next one.

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Completely same size.

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Oh.

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I forgot to jump.

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Let me take my level generator and set distance to delete 200 so it won't be deleted earlier than we

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need.

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Cool.

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I like it.

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Now, you see the issue there, right?

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One of the header is below the top point and we're going to fix that now.

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How are we going to fix that?

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Let's go back to code of the platform and we're going to say, Heather, as our transform position equals

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to new vector two.

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Or actually we can use vector two here as well.

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And then we're going to take our x x of the platform.

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So transform position that x.

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And for the Y, we're going to do S.R Dot bound and bound is a box of the renderer dot max.

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And here you can see the maximal point of the box.

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And then we choose y.

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So maximum y of the box.

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And if you imagine a box there, this is the box and this is the y axis right up and down, and it takes

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the maximum point of the box over here.

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So it's going to be placed here at the top and we're going to take same transform position of the X.

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So it's going to be exactly the same.

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Let's go and see this.

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And just for experiment, I'm going to do I'm going to place this one higher, this one higher, and

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I'm going to make another one.

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Slimmer and smaller.

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They said higher.

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I'm going to take one point and move it to the right.

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Let's go.

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Now it's all same size.

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Very cool.

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And my boxes are kind of big.

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I could make it smaller.

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Now we can see actually, our player is standing.

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And bit in the middle of this parade.

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And I think it's okay.

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It looks like it has some kind of 3D dimension.

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Like it goes there deeper.

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But if we want to make it and place it exactly at the top, well, let's just go to code and it's our

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bond.

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Max, Why?

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And we're going to do here minus point one F.

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Actually, let me tell you.

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Where did they get this number?

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I just I found it before I was recorded, but I think it would be honest to show you.

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How did they get this number?

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0.1 F?

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Exactly.

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Why is that?

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So if I take my platform over here.

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And if I'll move it just above, just by a bit, you can see my y position is 0.666.

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If I move it.

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Yeah.

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If you place it.

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Exactly.

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Here, it would be 1.777.6.

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So basically 0.1 F and I'm just addressed by -0.1 F, and basically it's done.

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Now it's up to you to color header of the platform or entire platform.

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You can choose anything you like.

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You just need to adjust this code.

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But actually you know what?

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We could make it customizable.

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Let's go to game manager over here and just create boolean public bool that I'm going to name as color

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entire platform.

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Yeah.

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Now and trigger enter.

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We can check.

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I'm going to open curly brackets and say if game manager that instance says color entire platform.

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Then we would color hair and we could color the body as well.

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If it doesn't say color into our platform, we can just color else.

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Heather is our color.

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Just like that.

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Let's go and see this.

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I'm going to press enter over here.

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Let's go and see this.

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So I have an and game manager that says color entire platform and it's false and then colored only header.

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Now if I change it.

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Now I'm coloring the entire platform because boolean is true.

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And actually you could get another effect here, which is also a bit preachy.

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If you just comment out this line here, it will color entire platform but not header and it would give

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us a different effect.

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Let me check this balloon.

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Now you see this?

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The platform is coloured but not the header, which is also looks pretty.

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And by the way, this is colors of my country almost.

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I'm from Ukraine.

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Yellow and blue.

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Probably.

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You've seen it before.

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All right.

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We done for this video.

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It was quite long, even though we did something simple.

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I just got carried away by different options we can do in this game.

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See you in the next video.

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Bye.