Sams Teach Yourself Macromedia Flash 8 in 24 Hours

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The Workshop consists of quiz questions and answers to help you solidify your understanding of the material covered in this hour. You should try to answer the questions before checking the answers.

Quiz

1:

If you draw an image on the Stage in a keyframe, how long does that image remain on the Stage?

  1. Just during the one frame in which you drew the image

  2. Until another keyframe that contains a different image is encountered

  3. For the entire Timeline

2:

How many frames are necessary to create an animation?

  1. One

  2. Two or more

  3. No fewer than three

3:

In what part of this book do you actually get to animate?

  1. In the next 2 hours.

  2. In the last 2 hours.

  3. Here! You've been creating animations all hour!

Quiz Answers

A1:

B. Think of using a keyframe as you telling Flash to put an image on the Stage now and leave it there until notified otherwise (by another keyframe).

A2:

B. Although a feature-length movie may have 24 different images each second, you can imply motion very effectively with just 2 frames.

A3:

C. Frame-by-frame animation is animation. The other types of animation you're going to learn about are those in which Flash takes care of the frames between keyframes that you create. If nothing else, you should now understand keyframes clearly.

Exercise

Here's a great exercise that will let you experience an entirely different way of creating. Unlike the stick man exercises (where you created each new keyframe based on the previous keyframe), this time you'll draw an entirely new graphic into each keyframe.

Draw a bird flying. First select Frames 1 to 100 and use Modify, Timeline, Convert to Blank Keyframes. Turn on Onion Skin so you can view just the previous two frames. Start on Frame 1 and draw the bird (just use the Brush to draw a curved V shape). Press the period (.) key, which is the Next Frame quick key and, using the Onion Skin tools as a guide, draw another V that moves across the screen. You can go pretty quickly: next frame, V, next frame, V.… If you want the bird to move fast, increase the space between the current V and the previous one. This exercise is good for experimenting with different types of motion.

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