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Archived:Create a moving ball using accelerometer with Kuneri Lite

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Created: Felipe.Sampaio (24 Nov 2008)
Last edited: hamishwillee (03 Oct 2012)

In this post we’ll see how to use accelerometer in Flash Lite with Kuneri Lite. We’ll do a small example of the moving ball application, however simpler than the original application.

First of all, you have to create two layers, with names ‘content’ and ‘actions’. After this, create a movieclip with a circle like the showed below. Put the movieclip in the Stage with an instance name ‘ball_mc’.


After this, put the below code in the first frame of the ‘actions’ layer.

//Set fullScreen
fscommand2("FullScreen", true);
var lv:LoadVars = new LoadVars();
var X, Y, acelX, acelY, posX, posY;
//Reset the kuneri Lite variables.
klXAxis = 0;
klYAxis = 0;
lv.onLoad = function(success:Boolean){
if(lv.klError == 0){
//Read the position.
X = lv.klXAxis;
Y = lv.klYAxis;
onEnterFrame = function():Void{
//Calculate the respective constant acceleration.
if(X > 0)
acelX = -1;
else acelX = 1;
if(Y > 0)
acelY = -1;
else acelY = 1;
posX = Math.abs(X/10) * acelX;
posY = Math.abs(Y/10) * acelY;
moveBall(posX, posY);
//Verify the limits of screen.
verifyPosition(ball_mc._x, ball_mc._y);
function verifyPosition(posX:Number, posY:Number):Void{
if(posY <= 10)
ball_mc._y = 10;
if(posY >= 310)
ball_mc._y = 310;
if(posX <= 10)
ball_mc._x = 10;
if(posX >= 230)
ball_mc._x = 230;
function moveBall(posX:Number, posY:Number):Void{
ball_mc._x += posX;
ball_mc._y += posY;
//Start the accelerometer, before first read.

In this example the acceleration is constant, because this is a simple example for to create a moving ball with Flash Lite using KuneriLite accelerometer plugin by Flash Lite.

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