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Adding drag interactivity to the robot

From: Flash CS3 Professional Beyond the Basics

Video: Adding drag interactivity to the robot

And now we'll add the interactivity so you'll be able to drag the robot around the stage. If you're following along, I'm working in the 06_Drag_Robot.fla in the Chapter 06 folder in the Exercise Files folder. On the stage double-click the robot to enter its timeline. In the labels layer select frame 21 and press F7 on your keyboard to create a new keyframe. With the keyframe you just created selected, in the Property inspector type drag in the Frame Label field.

Adding drag interactivity to the robot

And now we'll add the interactivity so you'll be able to drag the robot around the stage. If you're following along, I'm working in the 06_Drag_Robot.fla in the Chapter 06 folder in the Exercise Files folder. On the stage double-click the robot to enter its timeline. In the labels layer select frame 21 and press F7 on your keyboard to create a new keyframe. With the keyframe you just created selected, in the Property inspector type drag in the Frame Label field.

Extend the timeline to frame 25, by selecting from 25 in the timeline or pressing F5 on the keyboard. Then select frame 21 on the robot player and press F6 to create a keyframe on that layer. Select frame 25 and press F5 on your keyboard to extend the timeline to that point. On frame 21 select the robot on the stage and notice it's an instance of the mcRobotComplex. Let's click the Swap button in the Property inspector to swap the symbol with a symbol that we'll create right now.

Select mcRobot and click the Duplicate Symbol button. For the Symbol Name type mcRobot, capital R, and Drag with a capital D. And then click OK. Select mcRobotDrag and then click OK to close the Swap Symbol window. For now this will simply be an instance of our robot that doesn't move. Let's click Scene 1 at the bottom of the timeline to return to main timeline. Now we'll add the interactivity to drag the robot. Select frame one of the actions layer and open the Actions panel by pressing Option+F9 on the Mac, or F9 on the PC.

At the bottom of your code, add an event listener to robot_mc and the event will be MouseEvent.MOUSE_DOWN. So type robot_mc.addEventListener. The event will be MouseEvent.MOUSE_DOWN, all caps and we'll run a function called dragRobot; Below the dance3 function create a skeleton of the function called dragRobot. So type function dragRobot, with a capital R. Make sure it receives an event with the datatype MouseEvent, and in the curly braces type robot_mc.startDrag.

We'll pass in false for the lock center value and close out parentheses and type a semicolon. Now if we're going to start dragging the robot movie clip, we'll need to stop dragging it at some point. So the very bottom of your code below everything else, type robots_mc.addEventListener, and it will be MouseEvent.MOUSE_UP, all caps. And we'll run a function called dropRobot.

Now we'll define the dropRobot function. We'll do that by copying the dragRobot function. Select the dragRobot function, press Command+C on the Mac or Ctrl+C on the PC to copy the code. And a few lines below paste the code using Command+V on the Mac, or Ctrl+V on the PC. Change the name of the function to dropRobot in the pasted code, Change startDrag to stopDrag in the pasted code and delete the false value passed in the parentheses. Now let's test the movie and drag the robot.

Command+Return on the Mac, Ctrl+Enter on the PC. So you can see the robot works just the same except you can click and drag it. Now we'll add interactivity to stop the music when you click the robot. Inside the dragRobot function below the robot_mc.startDrag code, write the code stop the music. T stop the music, we'll need to refer to our soundControl object.

So type soundControl, capital C, dot stop. and then we'll start the music again when we drop the robot. Inside of the dropRobot function, below robot_mc.stopDrag type soundControl, capital C, = sound.play(); Test the movie using Command+Return or Ctrl+Enter and watch the sound stop as you dragged the robot.

So you can see that the song plays when you're not dragging the robot and stops you're dragging the robot. So the last thing we'll do is make the robot movie clip go to the drag frame. So at the very bottom of the dragRobot function type robots_mc.gotoAndStop then pass in "drag" in quotes.

That will make the robot go to and stop at the drag Frame Label. We'll make the robot start dancing again, once we drop the robot in the dropRobot function. At the bottom of the dropRobot function type robots_mc.gotoAndStop. And then pass in "dance1" in quotes. And that'll make the robot start dancing again once you drop the robot. Let's test the movie using Command+Return on the Mac or Ctrl+Enter on the PC.

When you drag the robot, the robot stops dancing. And when you drop the robot, the robot starts dancing again. So now we've added some more interactivity to our robot. The next thing we'll do is play an animation when you drag the robot.

Show transcript

This video is part of

Image for Flash CS3 Professional Beyond the Basics
Flash CS3 Professional Beyond the Basics

79 video lessons · 25610 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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