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In this movie we are going to complete the scene by adding our secret base, right here. A secret base, a giant tunnel dug into the wall of this mountain here where spaceships are coming in and out. Now, where do we get the materials for this? Well, let's go look. Right here we have the backside of a dam, this is just a dam, you can see it back there, and this is just one side of it. So I just took a picture of this dam.
Because it looked cool, I didn't know what I would use it for, but I take pictures of everything because everything can be useful in one way or another. Now, I isolated this dam by creating this Alpha Channel. In the movie on creating alpha channels, it explains how this thing was created, but there you see a basic idea, and you see that the Alpha Channel is called Green copy because it was based on the Green channel. There is the Red channel, there is the Blue channel, and there is the Green channel which gave me the details that I wanted right in there, so this was basically a green copy.
So now, I am going to go in there and turn that into a selection, and I am going to drag that into our scene. Now I want to make sure that I am at the front here. So let's go to the front of the mountain itself right here. In fact, let us put it way up at the top. So that's selected so when I drag this in, it's going to fall right on top of it, right there. There is our base of our entrance right here. So what I am going to do is I am going to scale this guy down. So it's going to fit into this side of this mountain right here. So I am going to just scale it down a little more right there like that and maybe we can crunch it in a little bit, and we'll put it right into this whole side of this mountain right here. And one last little thing here is I am going hold down my Command key to skew it ever slightly, right up there like that and maybe a little tiny bit smaller, there, and we will put it in a position right about there.
Now this is dug into the side of the mountain here, right? So it has to look like that. So I am going to have to do a couple of things to it, but first let's do the actual entrance to our little secret base. I have here another file, and this is actually shot with an iPhone. No big fancy camera here just an iPhone. The only thing I have done is I have smeared some of that black into this side railing here just to give myself more black. That's the area that I am going to want right in there.
So let's get a little closer right in here. And I want to go in there and select this little guy right here. This is what I want, right there, and I am going to deselect the Green. So I am going to hold down my Option key with the one, I am just going to click on the green, it gets rid of that green area, and I want to add a little to this area here, I just want to grab that little part. That green doesn't matter because it is going to get blended out. Now that I have that area selected, I am going to take that and copy that into here, there it is.
Now that is going to be behind the wall. You can see where this is starting to go. So what I am going to do is I am going to take that tunnel, and I am going to bring it up into this area right up in here, right up in there, and that is the entrance to our big hideaway secret base here. Now I am going to go in to my Hue/Saturation, I am going to play around with some of the colors. So I am going to go to Hue/Saturation, and I could see that it's a little on the bluish side, so I might want to go in there and desaturate it a bit and lighten it. Not too much because I want that stuff in there to get light, but I am going to desaturate a little more, so it starts to bit look more like that stonewall in front of it down below.
Okay and then the stonewall below, I am going to go in there into Hue/Saturation and here I am going to increase the saturation just a little bit and bring it more towards those blues. So it starts to match that other wall just a little more, just like that, and maybe darken it, there we go, bring it more towards those blues, click OK, and now we have the basis of our secret base. Now let's get in close and start to modify this, so it starts to look like it actually is here. So what I am going to do is I am going to go to the tunnel.
There is the tunnel there, and I am going to give it a mask. And in that mask, I am going to take my black brush here, and I am going to bring down its size, make sure that it's a soft edge, it is. I am going to bring down the Opacity to about a 50 and slowly start to bring the actual mountain side into it. So it starts to look like it has been, in fact, carved out of this mountain right in there like that. Just like that. Now to the entrance of this base down below, I am going to add a mask to that. Go in here and add a mask to that one.
So now I got a little flat terrain here, so in that flat terrain I am going to just bring that terrain back. So let's just go in there and just soften this whole part, right there like that and start to have this blend into the mountain side as well just like that. Same thing down here, I am going to just get a smaller brush and just kind of take certain areas and just slowly kind of blend them into the mountain side, same thing on this side just little rough areas just so it looks like it has been built right out of just rock and our little structure has built right out of this rock, right there like that.
And this one we'll just get all this little terrain showing there. Okay. So now there is a curvature to this. So what I am going to do is I am going to go in and in the main layer, I am going to just darken that just a little bit in there like that. Now, see the shadow right here? Well, it's being cast by this outcropping here. We need to have that down below. So what I am going to do is I am going to go in, and I am going to select with my Lasso, I am going to start right here at this edge and just going to draw this little shape, and it's kind of rough so that it seems to be going over the rocks and goes right up to the edge of where the shadow ends, and then I go in here and close it off.
So now in a layer above the rocks themselves, I am going to create a layer, right there, which will be my shadow. And I see this kind of a bluish kind of a shadow and these dark tones over here. So I am going to kind of just use black, and we'll see what kind of an effect we are going to get. So I am going to use a warmer black, so let's just use like a really deep brown like that. I am going to fill that with that color, right in there like that which I am now going to put in Multiply mode and then bring it down in opacity, so it just becomes this shadow.
I am just going to lower it enough so that it starts to match these shadows in there, bring it down a little bit more, and I might want to just blur it just a little bit, like that, maybe a little less because it is pretty sharp on this edge, click OK, and there we see that we now have this big mountainside secret base on some moon somewhere out in space where bad guys or the good guys could be going home.
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