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This course pulls together the skills you've been learning in the previous After Effects Apprentice installments to create a real-world video promo. Trish leads you through building the artwork and components used in the final piece, and then Chris shows how to assemble these precompositions into a 3D world, timed to music. Along the way, Trish and Chris also share their thoughts as they design a video project, including unifying the overall look and handling change requests from clients.
The After Effects Apprentice videos on lynda.com were created by Trish and Chris Meyer and are designed to be used on their own and as a companion to their book After Effects Apprentice. We are honored to host these tutorials in the lynda.com library.
In the last movie, we created our Skater comp, added the Skater movie, and then created a solid and applied the Grid Effect to it. Now, we'd like to apply a Block Dissolve that will animate on the movie. We'll apply the Block Dissolve to a separate layer. We don't want to apply it to the movie itself because we want the Block Dissolve to exactly line up with the grid, and the grid has a relationship with the size of the comp, not the size of the movie. So I am going to apply the Block Dissolve to an Adjustment layer.
I will select Layer > New > Adjustment layer, and that will create a container layer-- an empty layer at the top of the composition. Any effects I apply to the adjustment layer will apply to all the layers below. But to be more accurate, it applies an effect to a copy of a composite of all the layers below. The effect I will apply is Effect > Transition > Block Dissolve. It's the very first transition. The first parameter, Transition Completion, is what you would use to transition on a layer, so you would start at 100% and then animate to 0%.
I will just set it to the midway point just so we can see what we're doing as we set up the effect. I will increase the Block Width and the Block Height for now, and you will notice the default settings create a very blurry out of focus Block Dissolve. That's because of this option here called Soft Edges, so let's turn that off. Now, I see hard edges for the Block Dissolve. Now, all we need to do is line up the blocks with the grid. Fortunately, that's very easy because the Block Width and Height are in pixels.
So if I set the Width to 50 and the Height to 50, don't add any feather, and turn on Soft Edges, I will now have a hard edge Block Dissolve that exactly matches the Grid Effect. To animate on the Block Dissolve, I will return to time 0 and set the Transition Completion to 100%. Turn on the stopwatch, and then I will press U to see the keyframes in the timeline. So with time 0, Transition Complete is at 100, and then I am just going to move it to where I'd like my second keyframe to be.
Now, you will have to trust me on this, but I know that if I set my second keyframe to 1 second and 12 frames, it will exactly line up with the musical beat. So at this time, I will change Transition Completion to 0. If I RAM Preview, the movie transitions on. Well, I think it might look better if it didn't completely transition on 100%. Perhaps some of these blocks couldn't remain transparent, and they are actually transparent. So, as the transition is on, you will see the background in our 3D world.
So let's go to our second keyframe and adjust it. I will press the Command key on Mac, Ctrl key on Windows, and slowly increase the value. I don't think I like these three blocks to be transparent, so let me back that off a little bit. I think that should look pretty good around 8 or 9%. The last thing we need to do is move the grid on top so that it's not affected by the Adjustment layer. But if you move the Grid Solid above the Adjustment layer, now the grid will be visible as the block transition comes on.
So that's it for the Block Dissolve. In the next movie, we will liven up the skater by adding the cartoon effect.
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