I cant use mouseup & mousedown

Question

i watched a puzzle's game tutorial and i tried, he said to use mousedown&mouseup but it didnt work. then i searched on google saying to use pressup and it didnt work too.could you help me pleaseee...

var S1StartX: int = 30
var S1StartY: int = 30
var S1EndX: int = 507
var S1EndY: int = 30

S1.buttonMode = true;
S1.addEventListener(MouseEvent."pressdown", startDragging):
S1.addEventListener(MouseEvent."pressup", stopDragging):

var S2StartX: int = 185.45
var S2StartY: int = 563.1
var S2EndX: int = 661.05
var S2EndY: int = 30.5

S2.buttonMode = true;
S2.addEventListener(MouseEvent."pressdown", startDragging):
S2.addEventListener(MouseEvent."pressup", stopDragging):

var S3StartX: int = 7.2
var S3StartY: int = 311.4
var S3EndX: int = 786.25
var S3EndY: int = 30

S3.buttonMode = true;

S3.addEventListener(MouseEvent."pressdown", startDragging):
S3.addEventListener(MouseEvent."pressup", stopDragging):

var S4StartX: int = 133.75
var S4StartY: int = 120.8
var S4EndX: int = 507.
var S4EndY: int = 208

S4.buttonMode = true;

S4.addEventListener(MouseEvent."pressdown", startDragging):
S4.addEventListener(MouseEvent."pressup", stopDragging):

var S5StartX: int = 248.85
var S5StartY: int = 423.3
var S5EndX: int = 633.75
var S5EndY: int = 181.45

S5.buttonMode = true;

S5.addEventListener(MouseEvent."pressdown", startDragging):
S5.addEventListener(MouseEvent."pressup", stopDragging):

var S6StartX: int = 209.9
var S6StartY: int = 14.95
var S6EndX: int = 786.25
var S6EndY: int = 208

S6.buttonMode = true;
S6.addEventListener(MouseEvent."pressdown", startDragging):
S6.addEventListener(MouseEvent."pressup", stopDragging):

var S7StartX: int = 69.2
var S7StartY: int = 499
var S7EndX: int = 506.75
var S7EndY: int = 208

S7.buttonMode = true;
S7.addEventListener(MouseEvent."pressdown", startDragging):
S7.addEventListener(MouseEvent."pressup", stopDragging):

var S8StartX: int = 233.15
var S8StartY: int = 234.35
var S8EndX: int = 661.05
var S8EndY: int = 385.5

S8.buttonMode = true;
S8.addEventListener(MouseEvent."pressdown", startDragging):
S8.addEventListener(MouseEvent."pressup", stopDragging):

var S9StartX: int = 120.95
var S9StartY: int = 328.55
var S9EndX: int = 784.9
var S9EndY: int = 385.5

S9.buttonMode = true;
S9.addEventListener(MouseEvent."pressdown", startDragging):
S9.addEventListener(MouseEvent."pressup", stopDragging):

var S10StartX: int = 305.8
var S10StartY: int = 133.9
var S10EndX: int = 661.05
var S10EndY: int = 563.1

S10.buttonMode = true;
S10.addEventListener(MouseEvent."pressdown", startDragging):
S10.addEventListener(MouseEvent."pressup", stopDragging):

var S11StartX: int = 305.8

var S11StartY: int = 133.9
var S11EndX: int = 661.05
var S11EndY: int = 563.1

S11.buttonMode = true;
S11.addEventListener(MouseEvent."pressdown", startDragging):
S11.addEventListener(MouseEvent."pressup", stopDragging):

var S12StartX: int = 0.6
var S12StartY: int = 563
var S12EndX: int = 786.25
var S12EndY: int = 538.45

S12.buttonMode = true;
S12.addEventListener(MouseEvent."pressdown", startDragging):
S12.addEventListener(MouseEvent."pressup", stopDragging):

//-------------------------------------------------------------------

function startDragging(e:MouseEvent):void {
e.currentTarget.startDrag():
}

function stopDragging(e.MouseEvent):void {
e.currentTarget.stopDrag():
}

JoãoCésar17023019 · Answer

Hi.

The way you're adding events is not correct.

Instead of

S2.addEventListener(MouseEvent."pressdown", startDragging):

It should be:

S2.addEventListener(MouseEvent.MOUSE_DOWN, startDragging):

It's also good practice to start instance names with lowercase letters and then capitalize the first letters of subsequent words in the name. This is called camel case. For example: s1, myPiece, startButton.

To create a drag and drop interactivity, what I like to do is to place all pieces in a single container and then add listeners to the container itself instead of adding to each piece. Like this:

AS3 code:

import flash.display.DisplayObjectContainer;
import flash.events.MouseEvent;

var i:int;
var total:int = pieces.numChildren;

function mouseDownHandler(e:MouseEvent):void
{
	e.target.startDrag();
	e.currentTarget.addChild(e.target); // send child to the top
}

function mouseUpHandler(e:MouseEvent):void
{
	e.target.stopDrag();
}

for (i = 0; i < total; i++)
	(pieces.getChildAt(i) as DisplayObjectContainer).mouseChildren = false;

pieces.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler);
pieces.addEventListener(MouseEvent.MOUSE_UP, mouseUpHandler);

FLA / source / download:

https://bit.ly/3oweo52

Please let us know what else we can do for you.

Regards,

JC

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