Testing a movie > Using the Debugger > Displaying and modifying variables |
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Displaying and modifying variables
The Variables tab in the Debugger displays the names and values of any global and Timeline variables in the movie. If you change the value of a variable on the Variables tab, you can see the change reflected in the movie while it runs. For example, to test collision detection in a game, you could enter the variable value to position a ball in the correct location next to a wall.
The Locals tab in the Debugger displays the names and values of any local variables that are available wherever the movie has stopped at a breakpoint or anywhere else within a user-defined function.
To display a variable:
1 |
Select the movie clip containing the variable from the display list. |
To display global variables, select the |
|
2 |
Click the Variables tab. |
The display list updates automatically as the movie plays. If a movie clip is removed from the movie at a specific frame, that movie clip, along with its variable and variable name, is also removed from the display list in the Debugger. However, if you mark a variable for the Watch list, that variable is not removed.
To modify a variable value:
Double-click the value and enter a new value.
The value cannot be an expression. For example, you can use "Hello"
, 3523
, or "http://www.macromedia.com"
, and you cannot use x + 2
or eval("name:" +i)
. The value can be a string (any value surrounded by quotation marks), a number, or a Boolean value (true
or false
).
Note: To write the value of an expression to the Output window in test mode, use the trace
action. See Using the trace action.
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