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Basic Motion Tween
written by Chris Georgenes
 
This tutorial demonstrates how to create a very basic motion tween in as few steps as possible. I have seen countless tutorials about how to make this basic flash animation, and almost all of them include several unnecessary extra steps, and in some cases, omit necessary ones.By the end of this tutorial you will have made the following animation:
 
  1. Use any of the shape tools or drawing tools to create a shape - doesn't matter what it is - just keep it simple for now.
 
2. With the arrow tool (black arrow) select your shape (or CTRL + A). We must convert our shape to a symbol before applying a motion tween. If we apply the motion tween first, Flash will automatically generate a symbol with our shape and give it a generic name ("tween 1"). This makes it difficult to keep our symbols organized and to locate later as our Flash movie becomes more complex. Convert the shape to a symbol by hitting the "F8" key, or, from the drop down menu, Insert > Convert To Symbol. In the "Convert To Symbol" dialog box type in a unique name for your shape and choose it's behavior (I chose "Graphic" for this example). For more information on symbol behaviors, hit the "F1" key and search help documentation. We now have what is referred to as an "Instance" of our symbol on the stage.
 
3. Next, select a new frame further down the timeline (I chose frame 20). Doesn't matter right now which frame you choose, it will be easy to edit that later. With this 2nd frame selected (it should now be shaded), hit the "F6" key or from the drop down menu, Insert > Keyframe. You should now have 2 keyframes on your timeline and the frames between them should be shaded gray. Each keyframe contains it's own instance of our symbol.
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4. With the arrow tool and the playhead still on your 2nd keyframe, click and drag your symbol to a new location anywhere on the stage.
 
5. Right click (Windows) or Command click (Mac) anywhere between the 2 keyframes and from the drop down menu choose "Create Motion Tween."
 
Done! Now test or playback your movie to see your shape move across the stage.


I hope this lesson helps you. I have provided the source file for you to download and play around with. If you have any questions feel free to drop me an email or IM me:
 
download source Download source (Flash MX)