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In this exercise, we're going to assign the materials that will ultimately lend our text this grunge look. Now, if you switch to the image at hand, which is called Composition with masks.psd, it looks like we're pretty far away from our final goal. But actually we're just a few steps from regaining our original letters. All you need to do, if you're working along with me, is Shift+Click on that vector mask for that shape layer right there in order to turn the letters back on, and then click on the eyeball in order to turn that layer off. Now double-click on the thumbnail for the mercy 3D layer to bring up the 3D panel.
And with Scene active, go ahead and restore the Quality setting to Interactive (Painting), click on the Global Ambient Color swatch in order to bring up the color picker dialog box, change the brightness value to 50%; click OK. Then click on the Front Inflation material right there, click on the Illumination swatch, and let's go ahead and take that brightness value back down to 0%. And finally, turn on One infinite light in order to relight the scene. All right! So that's where we were before we started creating the masks. Now let's assign some diffuse textures, and I've created those diffuse textures in advance for you.
Let's check them out, and I even have them open on screen. The first one is called Grunge metal. This one is for the face of the letters. And notice that I have this metallic background; another image from the Fotolia Image Library. I'm going to turn off the rust layer for a second, and turn off the Smart Filters. So you can see, originally we have this kind of lackluster texture. I decided to exaggerate the Luminance levels, once again using the Shadows/Highlights filter. This is a slightly different take on things. Notice if I double-click on Shadows/ Highlights to bring up the dialog box, we've got some different values this time around.
Most notably, I took the Color Correction value way up in order to exaggerate the saturation values. So it's just FYI; I wanted you to see what I did. I'm going to go ahead and cancel out of that dialog box. The other item we have here is this layer called rust, and it's actually a Smart Object that contains a couple of repeated images. I'm going to go ahead and click on it to make it active. Notice it's set to the Multiply mode. These are real photographic rust trails that have been repeated a couple of times, you can see. But the most interesting thing is that I went ahead and slanted these trails.
So, if you select that rust layer, and then you go out to the Edit menu and choose Free Transform, or press Control+T, Command+T on the Mac. Because we're working with the Smart Object, I can see the angled bounding box for my transformation. Now unfortunately, when you're working with Smart Objects inside Photoshop, you don't see the slant value up here in the Options bar. But I wanted to match that 7 degree tilt that I had applied to the letters, so that once I apply this diffuse texture, the rust trails appear to be going straight down. And so if had a skew value, I'd actually enter 7 degrees; that would work perfectly.
But as it is, I had to kind of eyeball the thing. Anyway, I just wanted you to see what's up. I'll go ahead and press the Escape key in order to leave that Free Transform mode. Now I'm going to switch back to my composition at hand. Double-click on the thumbnail for the mercy 3D layer to bring up the 3D panel. And then, if you're working along with me, select that Front Inflation to make it active, and let's go ahead and load up that diffuse texture by clicking on the folder to the right of the word Diffuse, and choosing the Load Texture command. And then navigate your way to the 04 _grunge folder, and find that Grunge metal.psd file, and click on the Open button in order to apply it to the letters.
Now I want to make a few modifications to my material attributes. For starters, I'm going to increase the Gloss value to 50%. Now, notice when I do that, I end up getting this kind of gray film on the surface of the letters, and that is definitely not something I'm looking for. I can get rid of that film by reducing the size of the Gloss, which you do by increasing the Shine value, and that goes ahead and gives you pinpoint control over those specular highlights. All right! Now drop down to the Ambient swatch, click on it, and let's take the brightness value all the way down to 35%, and then click OK in order to accept that change.
Now, notice at this point the rust trails that are sliding down the letters. They appear to be pretty perpendicular. And you can check out whether they're straight up and down by drawing a marquee with your Rectangular Marquee tool, and then just moving one of the edges of the marquee against one of those rust trails. It looks pretty good to me. However, if it didn't look quite right, then all you would do is go ahead and click on this little page icon next to the word Diffuse, and then choose Open Texture. And then, because those rust trails are Smart Objects, you could go ahead and apply the Free Transform command. And I should show you this, by the way.
I'll go head and choose that command, and then I'll click on rust, I'll go ahead and zoom out a little bit, go up to the Edit menu, choose Free Transform. And the reason I'm showing you this is I want you to note that you can change the skew angle of those rust lines by pressing the Control key, or the Command key on the Mac, and dragging that top handle. Again, I'm just telling you that in case you encounter these sorts of problems as you're working through your own images. In my case, I'm going to press the Escape key, and then close the image. Click the No button on the PC, or the Don't save button on the Mac, to return to your 3D composition.
The final thing I want you to do is save this material. So go ahead and click on the sphere in order to bring up that Materials pop-up panel, and then click the right pointing arrow head, choose New Material, and let's go ahead and call this guy Grunge metal, and then click OK. All right! So we've managed to dress up the faces of the letters using a grunge metal material. In the next exercise, we'll assign a variation on that material to the beveled edges and extruded sides.
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