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Simulate the "Nudge" Effect

, 15 Apr 2005
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A very basic idea for the MSN-style nudging effect,, available on the latest MSN Messenger v7.0, on a Windows Form.

Introduction

A small class which layouts my basic idea in order to establish the nudge effect that is available under the latest version of MSN Messenger is presented here.

Background

I am not a fanatic user of MSN Messenger, since whenever I sign in, I have to spend endless amounts of time talking with each one of my online buddies, and at the end I don't get any work done. But anyways, this is not the point of the article...

As soon as I downloaded the latest version of MSN Messenger (v7.0), I couldn't help noticing some new buttons they added that provide users with some "cool" functionalities (e.g. for sending a wink). The one that I really liked though was the nudge effect that actually shakes the form around, supposedly waking up whoever it is you are chatting with. I came up with a very small method which tries to simulate this effect and wrapped it in an even smaller class just for the sake of the article. Now, there are many ways to implement this effect and even more things to include in this class (e.g. add sound functionality for being able to nudge your form with different WAV sounds, adding nudge time-intervals by implementing timers for shaking the form, and so on...).

I just wanted to present the basic idea of shaking the form around a bit, and since I wasn't really sure where to post this code snippet for people to take a look at, I decided to wrap it up in a class and post it in an article.

Using the code

Since class "Nudge" is a really small class, I don't think I need to explain any details. The small portion of code that is included here is quite self-explanatory I think. The only thing I want to mention here is that currently, nudging is based on a loop which is not the best tactic. A more consistent way for implementing it is to let the user decide the length of the nudge by implementing a timer.

Anyways, now that we got this out of the way, the basic idea here is the generation of random numbers that are assigned to the form's location inside a loop. After the loop has finished, the form's original location is restored.

// The only method of the class :)
public void NudgeMe()
{
    // Store the original location of the form.
    int xCoord = this.tmpFrm.Left;
    int yCoord = this.tmpFrm.Top;
    
    // An integer for storing the random number each time
    int rnd = 0;

    // Instantiate the random generation mechanism
    Random RandomClass = new Random();

    for (int i = 0;  i <= 500; i++)
    {
        rnd = RandomClass.Next(xCoord + 1, xCoord + 15);
        this.tmpFrm.Left = rnd;
        rnd = RandomClass.Next(yCoord + 1, yCoord + 15);
        this.tmpFrm.Top = rnd;
    }

    // Restore the original location of the form
    this.tmpFrm.Left = xCoord;
    this.tmpFrm.Top = yCoord;
}

The usage of the Nudge class is quite straight-forward. From within the form that you wish to nudge, just enter something like this:

Nudge nudged = new Nudge(this);
nudged.NudgeMe();

Ideas for Additions (for making "Nudge" class a real class!)

  • Sound functionality during nudging.
  • Nudging based on time-intervals set by the user (by implementing timers) instead of a loop.
  • Implement nudging types (e.g. small, medium, massive) based on the value of the random numbers that are created, and on their nudge length.

That's all.

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

Polis Pilavas
Web Developer
Cyprus Cyprus
Simpsons' fanatic.

Comments and Discussions

 
GeneralA bit off-topic... Pinmemberreinux22-Apr-05 11:50 
GeneralRe: A bit off-topic... PinmemberPolis Pilavas22-Apr-05 11:57 
GeneralThis is cool! Pinmemberajrulez22-Apr-05 11:47 
GeneralRe: This is cool! PinmemberPolis Pilavas22-Apr-05 11:58 
GeneralRe: This is cool! Pinmemberzenimpulse28-Apr-05 5:59 
GeneralRe: This is cool! PinmemberPolis Pilavas29-Apr-05 0:49 
GeneralRe: This is cool! Pinmembersabrown10020-Oct-07 11:57 
Good idea - but it might stress the user out even more.
GeneralMake NudgeMe static Pinmemberbmiller15-Apr-05 19:54 
GeneralRe: Make NudgeMe static PinmemberPolis Pilavas16-Apr-05 1:05 

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