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U
upgog31147443
Participant
November 27, 2015
Answered

Hello there! Swap between multiple objects

  • November 27, 2015
  • 1 reply
  • 466 views

Hi! I need some help understanding the way it can be done.

Lets say I have 2 objects a and b. If I want a to become b and b to become a I guess this is the way is done:

var temp_a:Object = a;

a = b;

b= temp_a;

This works perfectly fine with only 2 objects. The problem is when I am attempting to swap a with b, b with c and c with a.

Could please anyone help me make it through? If it does matter, I am working at a match 3 game where some rows are sliding left or right depending on a certain direction. It can go as a=c,c=b,b=a or a=b,b=c,c=a. I can make the gems swap positions correctly but as Objects, are the same as they were before.

This topic has been closed for replies.
Correct answer nezarov

Or:

var finalRollerTiles:Array = rollerElements;

var lastItem = finalRollerTiles[finalRollerTiles.length-1];

finalRollerTiles.pop();

finalRollerTiles.unshift(lastItem);

1 reply

N
nezarov
Inspiring
November 27, 2015

var temp_a:Object = a;

var temp_b:Object = b;

var temp_c:Object = c;

c = temp_b;

b = temp_a;

a = temp_c;

    U
    upgog31147443Author
    Participant
    November 27, 2015

    It would be silly of me to ask for help your answer would be the right one. Not that it isn't, but I still can't get it to work.

    This would be my approach:

    //create array to store tiles that move on grid;

    var rollerTiles:Array = new Array();

    for (var i:int = 0; i <= gridWidth - 1; i++)

    {

         for (var j:int = 0; j <= gridHeight - 1; j++)

         {

              if (tileVector!=null && _gridArray >= 11)

              {

                   // tileVector is Object and for each rolling tile I have assigned a int value in this _gridArray.

                   //if the in value is above 11 i'm storing my value in a new array.

                  rollerTiles.push(_gridArray)

              }

         }

    }

    // since the above check does not find my values and an ascending order (in matrix), I need to sort them so I can tell wich item goes on wich position.

      rollerTiles.sort(Array.NUMERIC);

      var rollerElements:Array = new Array();

      for ( var m:int = rollerTiles[0]; m <= rollerTiles[rollerTiles.length - 1]; m++)

      {

           for (var a:int = 0; a <= gridWidth - 1; a++)

           {

                for (var b:int = 0; b <= gridHeight - 1; b++)

                {

                     if (tileVector!=null && _gridArray == m)

                     {

                          // now I'm pushing in the same order as the rollerTiles value, my objects into a new array.

                          rollerElements.push(tileVector);             

                     }

                }

           }

      }

    // finally here I get to know that rollerElements[0] goes on the rollerElements[1], 1 on 2, 2 on 3, and so on....until the last one goes on 0.

    for each rollerElements there is a real object equivalent to "tileVector" mentioned above.

    for ( var n:int = 0; n <= rollerElements.length - 1; n++)

    {

         if (n + 1 > rollerElements.length - 1)

         {

              TweenMax.to(rollerElements._mc, .2, { x: rollerElements[0]._mc.x , y:  rollerElements[0]._mc.y } );

         }

         else if (n + 1 <= rollerElements.length - 1)

         {

              TweenMax.to(rollerElements._mc, .2, { x: rollerElements[n + 1]._mc.x , y:  rollerElements[n + 1]._mc.y } );

         }

    }

    // now that i moved them I need to tell them that they have to swap as objects.

    //this part I can't get it through no matter what.

    //creating an new array of objects, doesn't do the trick do.

    var finalRollerTiles:Array = new Array()

    finalRollerTiles.push(rollerElements);

    var lastItem = finalRollerTiles[finalRollerTiles.length-1]

    finalRollerTiles.pop();

    finalRollerTiles.unshift(lastItem);


    // here my arrays would look like this

    //rollerElements, output  ( 0,1,2,3....9)

    // finalRollerTiles,output ( 9,0,1,2,....)

    // sadly rollerElement[0]= finalRollerTiles[0] doesn't do the trick

    N
    nezarov
    Inspiring
    November 27, 2015

    finalRollerTiles.push(rollerElements);

    You're pushing all the array inside another one, so you'll get one element only as an array..

    you have to push the elements using for loop:

    var finalRollerTiles:Array = new Array();

    for (var f:int = 0; f<rollerElements.length; f++)

    {

    finalRollerTiles.push(rollerElements);

    }

    var lastItem = finalRollerTiles[finalRollerTiles.length-1];

    finalRollerTiles.pop();

    finalRollerTiles.unshift(lastItem);

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