MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Reference page 500

See also
,
Camera.get()
Camera.motionLevel
Availability
Flash Player 6.
Usage
active_cam.motionLevel:Number
Description
Read-only property; a numeric value that specifies the amount of motion required to invoke
Camera.onActivity(true)
Video can be displayed regardless of the value of the
information, see
Example
The following example continually detects the motion level of a camera feed.
var my_cam:Camera = Camera.get();
var my_video:Video;
my_video.attachVideo(my_cam);
// configure the ProgressBar component instance
var motion_pb:mx.controls.ProgressBar;
motion_pb.mode = "manual";
motion_pb.label = "Motion: %3%%";
var motionLevel_lbl:mx.controls.Label;
// configure the NumericStepper component instance
var motionLevel_nstep:mx.controls.NumericStepper;
motionLevel_nstep.minimum = 0;
motionLevel_nstep.maximum = 100;
motionLevel_nstep.stepSize = 5;
motionLevel_nstep.value = my_cam.motionLevel;
/* Continuously update the progress of the ProgressBar component instance to
the activityLevel of the current Camera instance, which is defined in my_cam
*/
this.onEnterFrame = function() {
motion_pb.setProgress(my_cam.activityLevel, 100);
};
/* When the level of activity changes goes above or below the number defined in
Camera.motionLevel, trigger the onActivity event handler. If the
activityLevel is above the value defined in the motionLevel property
isActive will be set to true. Otherwise, the activityLevel has fallen below
the value defined in the motionLevel property (and stayed below that level
for 2 seconds), so set the isActive parameter to false. */
my_cam.onActivity = function(isActive:Boolean) {
500 Chapter 7: ActionScript for Flash
Camera.names
. Acceptable values range from 0 to 100. The default value is 50.
Camera.setMotionLevel()
property. For more
motionLevel
.