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Hi guys hope is doing well in this course.



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This is live is you from a school or a line that come.



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I'm very excited to have you in the section.



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I'm very excited to explain to you about masques track Matt and the play composition that you will use



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to pop up text on your screen in so many ways.



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First I'm going to go through this lecture where I will explain about masks and their usage.



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And later on we will develop slowly slowly to be able to do some great and awesome animations that you



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will use everywhere.



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Masks are shapes but they are different kind of shapes.



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Let's have some examples.



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Let's use the rounded rectangle tool.



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I am OK with the feel and so on and create a shape.



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Now I would create a shape that has a rectangle as it's a shape.



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That's it.



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Now if I choose the shape layer and I choose also the shape tool you notice the option here is highlighted.



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I can either create a shape or create in mask by default it is created if I use it then I will have



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just another rectangle here and we see these in complex shapes.



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But if I choose create mask I will be able to create a Maskell issues for example the star tool I can



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click Bashir for example or the manipulation I showed you of 48 shapes will work.



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If it is now my ship did not disappear it is my shape you can see it on the blue border but a mask has



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been created that's masking everything except the inner of the mask.



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That's what this mask is like this.



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It shows on it's inside because it's on.



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If I put it on substract it will show the inverse Also if I have it on and I use inverted it will show



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all the shape there.



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And inside there is just a hole.



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If you look at it that is the one that's pretty interesting.



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Let's go through now editing this mask and this is very important rule of thumb if you choose your mask



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and mask one you'll find that the corners or the nodes are squares when they are squares.



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It means you can click on any one of them and move your mask.



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This is pretty important because later on you will start wondering how do I manipulate the shape of



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the mask to edit the mask.



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Now you Yukari click just on the layer you can see it.



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Now they're turned into small circles and that is a big circle.



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If I click on any node I can change the shape of the mask.



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Actually I can give it any shape.



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Let's summarize this important point.



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So when you have circles you are changing the rules you can move them around.



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Also you can hold the side and move it out or in any way you want.



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So it to do that and then you have a shooting star.



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But when you are having just rectangles then you will be able to move the mass cannot.



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So that's very important and you want to keep in mind the circles and the squares how to edit mask.



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Let's look at inside our mask if it will down mass Quon you will find you have a mask bath mask feathering



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opacity and expansion.



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I will give you an exact size and a very good example about how to use expansion in the next lecture



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for umask path.



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The path is this cloud line or I don't know what color is it.



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Now here we can change the color and make it very bright green for example.



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Or yellow or now it's yellow.



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So the mask path is this a yellow line can copy and paste this one.



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And also you can see it's less animate.



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This mask I would keyframe diplomatic path as we explained the my spot is the yellow one and move for



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example to one second.



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And I would start for example moving the mosque it's moved to here and move these not so I need to move



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the knots.



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I would press underlayer and move these nodes here then go back and move the mosque here.



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And also move more than want to show you a good example.



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OK.



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So this path what will happen you have the first vertex here and here.



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So you have the first vertex take that first vertex and put it on the other first vertex the first vertex



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is this big square.



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You can change it by the way.



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But for now it's just the simple explanation I can give you.



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It's an advanced level will do later on if you click on play.



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You will notice that the whole mask's has moved so it's not just one note or two.



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The whole thing will be moving here.



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This is how you animate the mask you give it one state and another state you can give it a third stage



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for example coming over here you can say OK this is my third state



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something like this.



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OK.



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Have three animations that you really want to get the OK this North has jumped.



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No problem.



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So this is how you animate your mask.



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It's very important that you have a good understanding of that.



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Let's go to.



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You can see feathering here.



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If you go further you will have some kind of blow from the inside and the outside.



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That's the feathering how it operates sometimes is extremely good.



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We use the opacity you know what is this and expensive let's take an example about the expansion.



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I will delete this mask and simply I did it just in order.



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I will delete the masks altogether.



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OK.



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And I will take a circle a mask like for example in the middle and here now I can come to the mask.



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Keyframe the expansion here.



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Go to one second for example and make the expansion negative only something like this that is what's



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happening.



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You have a circuit that's growing.



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That's very cool.



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If you take the feathering up now you have even in nicer shape going down you can invert the keyframes



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and you have a nice glowing wall that is way beautiful.



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You notice the flaring in you can also move your mask like we said



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we come to mask mask one and we can move it here to center it make it a bit smaller to size the mask



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or use a free transform.



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You can doubleclick on the mask any of the flitters form that you can scale down for example move.



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And also you can rotate if you like.



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This is a circle that doesn't make sense but nevertheless it can work.



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Here you are now you have created a very nice pop up if you come back here and say this is zero or negative



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whatever.



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Here you are.



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You see it is a nice animation.



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Cool.



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Now you have pop ups.



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Beautiful.



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Let's make the timing in between a press ultimatum move them and not just now you have no lights.



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Thanks for being with me in this lecture and the next lecture we're going to apply masks to text.