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Enhancing a video reflection with a mask

From: Flash CS3 Professional Beyond the Basics

Video: Enhancing a video reflection with a mask

Now our goal to finish our reflection is to make the reflection fade out. We'll talk about how to do that in this movie. If you're following along, I'm working in 09_Masking.fla in the Chapter 08 folder in the Exercise Files folder. Before we go to our code let's take a look at the mcOverlay movie clip in the library. I'm going to double-click the mcOverlay movie clip in the library to enter its timeline. Notice on the stage of this is a simple rectangle with a gradient applied. When you have the rectangle selected on the stage and look in the Color panel, you can find information about the gradient.

Enhancing a video reflection with a mask

Now our goal to finish our reflection is to make the reflection fade out. We'll talk about how to do that in this movie. If you're following along, I'm working in 09_Masking.fla in the Chapter 08 folder in the Exercise Files folder. Before we go to our code let's take a look at the mcOverlay movie clip in the library. I'm going to double-click the mcOverlay movie clip in the library to enter its timeline. Notice on the stage of this is a simple rectangle with a gradient applied. When you have the rectangle selected on the stage and look in the Color panel, you can find information about the gradient.

The left swatch of the gradient is a white color with an alpha value of 100%. The right swatch of the gradient is a white color with an alpha value of 0. So on the stage you see black, but in fact the gradient is actually fading to a transparent white. And this is what we're going use as a mask to fade out our reflection. Let's click Scene 1 at the bottom of the timeline to return to the main timeline. We're about to run into a few obstacles here, because we're creating our object that's going to be masked using ActionScript. What we'll need to do here is mask the object using ActionScript as well.

Select the video layer in the timeline and then drag an instance of mcOverlay from the library on the stage. Place it right below the video movie clip and align it to the center of the stage using the Align panel. I'm going to collapse the Color panel and open the Align panel and then I'm going to check the to stage option in the Align panel and click the Align horizontal center button. Now I'll make sure that our overlay movie clip is aligned with our video. Next we'll give our overlay an instance name of overlay_mc.

Now let's go to our actions. Select the first keyframe in actions layer and open up the Actions panel by pressing Option+F9 on the Mac or F9 on the PC. To set a mask in ActionScript you use an object's mask property. On line 15 in my code where I set the alpha property of the reflection to .75. I'll go to the next line and type reflection.mask = overlay_mc; Now in a lot of cases this will work just fine. If you have any solid color mask, or any gradient mask that doesn't fade to a transparent color, the code here will be all that you need to create a mask.

But notice if you test the movie now the mask will not work properly. Let's take a look at what happens. Command+Return on the Mac Ctrl+Enter on the PC. Notice that the reflection movie clip doesn't fade out. Let's close the Preview window and talk about what we have to do in order to make it fade out. Now in order to apply a mask to an object when the mask fades out, or when the mask has a transparent value and fades out, you need to take one special step.

This special step is to tell Flash that both the mask and the object that's being masked are to be cached as bitmaps. Once you tell Flash to treat both of those objects as bitmap images, then Flash will use the gradient mask that you created properly. Above the line of code where we set the mask value, I'm going to type reflection.cacheAsBitmap = true; On the next line of code, I'll do the same thing for the overlay movie clip. So type overlay_mc.cacheAsBitmap = true; Now let's test the movie to see the reflection fade out. Command+Return on the Mac, Ctrl+Enter on the PC.

And now our reflection fades out. The very final touch would be to change the blend mode of our reflection to blend a little bit better with its background. So right below line 18 where we set the mask property of reflection to overlay_mc type reflection.blendMode = "overlay" that's going to be in quotes and all lowercase. That will set the blend mode of our reflection to overlay so it'll blend a little the better with the background. Command+Return on the Mac or Ctrl+Enter on the PC to test the movie.

And there is our reflection. Let's close the Preview window. And that's a look at how to apply a reflection to a video in Flash. You can use this same technique to apply reflections to other objects. And keep in mind you're not limited to applying a reflection to a video only. You can actually apply a reflection in the same way to any movie clip. And that's a look at how to create a reflection in Flash.

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This video is part of

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Flash CS3 Professional Beyond the Basics

79 video lessons · 25611 viewers

Todd Perkins
Author

 
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  1. 3m 30s
    1. Welcome
      1m 20s
    2. Getting the most from this training
      1m 20s
    3. Using the exercise files
      50s
  2. 15m 28s
    1. Managing digital assets
      4m 9s
    2. Creating custom keyboard shortcuts
      5m 1s
    3. Creating custom color swatches
      3m 41s
    4. Creating a custom template
      2m 37s
  3. 14m 38s
    1. Working with variables
      3m 41s
    2. Using functions
      3m 30s
    3. Working with events
      2m 11s
    4. Using event listeners
      2m 42s
    5. Working with arrays
      2m 34s
  4. 29m 41s
    1. Understanding dynamic text fields
      2m 37s
    2. Loading text from an external file
      6m 42s
    3. Reading HTML from a text field
      5m 29s
    4. Applying CSS with ActionScript
      7m 0s
    5. Applying external CSS to a text field
      7m 53s
  5. 45m 27s
    1. Masking dynamic text
      4m 59s
    2. Dragging the Scroll Bar
      7m 3s
    3. Calculating a scroll percent
      5m 20s
    4. Setting scroll boundaries
      4m 9s
    5. Connecting the ScrollBar to the text field
      2m 55s
    6. Easing the text with the ScrollBar
      4m 12s
    7. Scrolling the text with buttons
      2m 38s
    8. Animating the scrolling text with the buttons
      4m 26s
    9. Setting boundaries for the scrolling text
      4m 26s
    10. Easing the text using the buttons
      1m 37s
    11. Connecting the ScrollBar to the Scroll buttons
      3m 42s
  6. 20m 46s
    1. Organizing a complex object into layers
      1m 51s
    2. Duplicating MovieClips
      1m 29s
    3. Undocking the timeline
      1m 20s
    4. Animating a complex MovieClip
      4m 36s
    5. Creating an animated Hinge effect
      5m 13s
    6. Creating complex animations
      6m 17s
  7. 28m 1s
    1. Controlling objects with buttons
      4m 6s
    2. Understanding frame labels
      3m 25s
    3. Using buttons to navigate labeled frames
      2m 30s
    4. Nesting code within MovieClips
      5m 8s
    5. Adding sound to the application
      2m 34s
    6. Adding drag interactivity to the robot
      6m 1s
    7. Animating the dragged robot
      4m 17s
  8. 20m 3s
    1. Understanding components
      2m 30s
    2. Using components to setup a form
      3m 45s
    3. Setting up the form to send an email
      3m 38s
    4. Working with form variables
      6m 11s
    5. Skinning components
      3m 59s
  9. 27m 40s
    1. Using transparency in a video
      4m 16s
    2. Working with embedded video
      3m 38s
    3. Animating a VideoClip
      2m 53s
    4. Creating an advanced animation with video
      2m 40s
    5. Working with the bitmap data class
      3m 37s
    6. Working with the bitmap class
      1m 40s
    7. Copying the video to create a reflection
      1m 35s
    8. Reflecting the video
      2m 42s
    9. Enhancing a video reflection with a mask
      4m 39s
  10. 1h 38m
    1. Viewing the finished MP3 player
      1m 45s
    2. Understanding the project flow
      2m 52s
    3. Preparing to build the MP3 player
      5m 11s
    4. Understanding classes and packages
      5m 32s
    5. Creating the MP3 player class
      9m 59s
    6. Loading sounds from external files
      9m 20s
    7. Accessing ID3 tag information
      6m 11s
    8. Controlling sound playback with Play and Pause buttons
      11m 3s
    9. Changing tracks
      12m 1s
    10. Displaying the current volume
      9m 33s
    11. Changing the volume
      6m 40s
    12. Wiring the progress bar
      8m 4s
    13. Building the progress bar slider
      10m 4s
  11. 5m 36s
    1. Making Flash movies accessible
      1m 49s
    2. Adding a name and description to your Flash movie
      52s
    3. Accessibility and text fields
      2m 55s
  12. 12m 2s
    1. Understanding Flash Mobile
      35s
    2. Exploring Device Central
      1m 45s
    3. Updating Device Profiles
      1m 7s
    4. Creating a Flash file from Device Central
      2m 7s
    5. Creating and testing Flash Lite applications
      2m 48s
    6. Downloading the Flash Lite player for Windows Mobile
      1m 44s
    7. Getting a Flash Lite application onto your phone
      1m 56s
  13. 27s
    1. Goodbye
      27s

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