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Lesson 4. Transitions, Sounds, and Video > Exchanging Cast Members

Exchanging Cast Members

1.
In the score, select the TajArch1 sprite in channel 1 and then choose Edit > Copy Sprites (Windows Ctrl+C, Macintosh Command+C).

2.
Click frame 101, channel 1, and then choose Edit > Paste Sprites (Windows Ctrl+V, Macintosh Command+V).

3.
Click frame 110, channel 1, and choose Edit > Paste Sprites again.

The sprite labeled 7:TajArch1 now appears three times in channel 1 in frames 92 through 118.


Figure .


In the next step, you'll exchange one of the TajArch1 sprites you pasted into channel 1 with a TajArch2 sprite.

4.
In the score, select the sprite you pasted into channel 1, frames 101 through 109.

5.
In the cast, select cast member 8 (TajArch2).

Be sure the Cast window is active (in the foreground) and cast member 8 is selected, or the following step won't work.


Figure .


6.
In the toolbar at the top of the screen, click the Exchange Cast Members tool (Windows Ctrl+E, Macintosh Command+E).


Figure .


The sprite label changes to 8:TajArch2. Now when the playback head arrives in frame 101, the TajArch2 image will appear on the stage. Next, you'll exchange the cast member in the last sprite you pasted into channel 1, frames 110 through 118, with the TajRune cast member.

7.
In the score, select the sprite in channel 1, frames 110 through 118; in the Cast window, select cast member 6; and in the toolbar at the top of the screen, click the Exchange Cast Members tool.

The last sprite in channel 1 is now labeled 6:TajRune.


Figure .


8.
Rewind and play the movie.

Note that the images you exchanged, TajArch2 and TajRune, appear in different positions on the stage than the TajArch1 image. You didn't have to position them. The registration point on each of the three images in this sequence is in a different location on the art itself.

You set the registration point on the TajArch1 image at the right edge, near the center. For the TajArch2 image, the registration point is at the left edge, near the center, and the TajRune image has a registration point at its center. When you exchange cast members, Director aligns the registration point of the exchanged image with that of the original image. Having different locations for the registration points on the images themselves makes one image appear to the left, another to the right, and the last image at the center of the stage.

You may want to look at the registration points of each of the images you exchanged to determine where the registration points are in each of them. Then you can determine how Director aligned the registration points in the TajArch2 and TajRune images with the one in the TajArch1 image.

Tip

You have seen that you can open the Paint window by double-clicking a cast member or a sprite on the stage. Another way to do this is to double-click the sprite in the score.

You just used Director's Exchange Cast Members feature to produce a simple montage of graphical images that appear in different areas on the stage. You could have accomplished the same effect by dragging the TajArch2 and TajRune images to the score and then resizing the sprites, but using Exchange Cast Members requires fewer keystrokes to get the same job done.

9.
Save your work.

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