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In this movie, I'll show you how to combine Blend modes along with Dynamic effects, and in the course of doing so, we'll transform this base art right here, these primitive forms--such as this ten-pointed star and this circle and this kind of crescent--into this finished light bulb art. So I'll go ahead and switch back to my starter document here and I'll click on the path outline for the light bulb to select it and then I'll switch over to the Appearance panel and you can see that I've assigned an Outer Glow effect in advance. If you click on Outer Glow, you'll see that the color is set to that same shade of green that I've assigned to the star.
And the Blend mode is by default set to Screen. Now you can change it to any other mode you want--and notice that Illustrator goes ahead and organizes the most popular modes at the top here--but this should tell you that Screen is your Blend mode for glows inside of Illustrator as well it is. Now I'll go ahead and press the Esc key because I don't want to change the settings, but we do have a problem here; notice that the glow extends not only around the lightbulb, but around its base as well, and that doesn't make any sense because the base isn't glowing. So we need to resolve that problem.
First step is to go up to the Edit menu and choose the Copy command or press Ctrl+C or Cmd+C on the Mac, and now let's modify the existing shape here by switching over to Layers panel. And I'm going to turn off the Accents layer in order to get rid of that stuff in the foreground there, and I'll press the A key to switch to my White Arrow tool. And I'll marquee very carefully around this region right there, just below the anchor points at the base of the bulb, and that will select all these anchor points as well as the bottom anchor point in the star, which I don't want.
So I'll go ahead and turn off that star and shadow layer as well. And then I'll press the Backspace key or the Delete key on the Mac to get rid of those selected anchor points and now I have just got the glowing portion of the bulb selected. Now I'll go up to the Control panel and I'll click on the second Swatch and change that stroke to None and then I'll click on the on the first Swatch and just change it to Black, so there's some kind of fill going on. In that way, it'll serve as a placeholder. Now return to the Edit menu and choose the Paste in Front command or press Ctrl+F or Cmd+F on the Mac to paste the full light bulb outline into place and switch back to the Appearance panel.
We don't need the Outer Glow for this shape, so just go ahead and grab it and drag it to the Trashcan at the bottom of the Appearance panel to get rid of it. All right! Now let's switch back to the Layers panel and turn on those two layers that we turned off a moment ago. And I'll press the V key to switch back to the Black Arrow tool and I'm going to click on the star shape and then Shift+Click on this crescent and this circle in order to select all of those shapes, and then I'll go to my Transparency panel and I'll change the Blend mode to Screen, so that we're using the shapes to create glows.
Now I'll Shift+Click on the circle to deselect it--that's very important, if you're working along with me--and now because I loaded dekeKeys I'll press Shift+5 in order to reduce the Opacity value to 50% and I end up with this effect here. All right! Now I am going to Shift+Click on the star to deselect it, so only the crescent remains selected. And I want to blur it, and there are two ways to blur in Illustrator. One is to go up to the Effect menu, choose Blur and then choose Gaussian Blur. That's going to create a bi-directional blur. That is to say, the blur is going to go outside the shape as well as inside.
If you want to create a more discreet blur that only goes inward, then you go to the Stylize submenu and choose the Feather command. And now I am going to dial in a Radius value of two points--turn on the Preview checkbox if you want to see what it looks like--and then click OK. All right! That takes care of that little bit of glow there. Now I'll select the star and let's feather it as well by returning to the Effect menu and you can choose that second command--the one with a dot, dot, dot after it--which repeats the last effect but with different settings, or you can press the keyboard shortcut.
Mash your fist E, Ctrl+Shift+Alt+E on the PC, or Cmd+Shift+Option+E on the Mac and this time I want a Radius value of 4, and now I'll just go ahead and click OK. All right! Now what I want to do is exaggerate the starburst effect and I am going to do so using another Dynamic effect, but I want to be able to see exactly what it looks like. So I'll press Ctrl+H or Cmd+H on the Mac to hide my selection edges, and then I'll go up to the Effect menu, choose Distort & Transform and choose Pucker & Bloat. Now by default its value is set to 0, so you are neither puckering nor bloating. Make sure to turn your Preview checkbox on and then go ahead and drag that value upward, and notice what happens; you get these puckers on both sides of the star points, that bow outward as you see right there.
So it's a pretty interesting effect. I am going to change that Bloat value to 150% and then click OK in order to accept that change. All right! Now for the circle. Go ahead and click on it in order to select it and we might as well see the selection edges, so I'll press Ctrl+ H or Cmd+H on the Mac to bring them back. Now I want to bloat this circle as well. So I'll return to the Effect menu and choose that second command, this time it's Pucker & Bloat, or you can press the keyboard shortcut, and this is a little bit too much bloat as you can see.
If I take the value down, we get something a little more reasonable. I am going to take it all the way down to 15%, like so, in order to achieve this effect, and click OK. Now notice that we have one bulb as bloat per segment. I want eight bloats in all instead of four. So I need to increase the number of segments by going up to the Object menu, choosing Path and choosing Add Anchor Points. And if you loaded my dekeKeys shortcuts, then you can also press Ctrl+Shift+Alt+A or Cmd+Shift+Option+A on the Mac and that just goes ahead and doubles the number of anchor points, doesn't change the shape at all, but it does add more bloats as you can see. All right! Now let's blur this shape by going up to the Effect menu, choosing Stylize, and once again choosing the Feather command. And this time I came up with a high value of 32 points.
I'll turn on the Preview checkbox so you can see what it looks like, and notice now that we have these very soft blobs here that results in a kind of glow on the inside of the bulb. Now click OK. Finally, we need to approach this shadow down here and we really just want to turn it into a kind of radial gradient as in this final effect right here. And you can do that by assigning a radial gradient of course. But to get it to be exactly the right shape would take a fair amount of work, whereas blurring this existing ellipse is very easy.
So I'll just go ahead and click on it to select it, and then I'll go up to the Effect menu, choose the second command which is now Feather and I'll change the value to 8 points this time around, turn on the Preview checkbox and you can see that the deed is done with one exception. Go ahead and click OK. Anytime you're creating a colorful shadow inside of Illustrator, you want it to blend with the background and the best way to achieve that effect is to change the Blend mode from Normal to Multiply. Now that's going to create too dark of a shadow so I'll press Shift+5 in order to reduce the Opacity value to 50% and that takes care of it.
So there you have one of many ways that you can combine Blend modes along with Dynamic effects to create custom glows and shadows inside Illustrator. The question now becomes, are all these Transparency and Blend modes and Dynamic effects going to print correctly? And I'll show you how to guarantee that they do in the very next movie.
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