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Snow show on YouTube in animate cc canvas.

Community Beginner ,
Jun 16, 2022 Jun 16, 2022

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Hello everyone on the forum.
I saw a very nice show on youtube.

Here is the link.

https://www.youtube.com/watch?v=4p9etJ5GHS0

Maybe someone will explain to me why this code does not work for me.
Snow appears on the stage, but everything stands still.
There is no error in the console.
Here's the code.


var sh = stage.canvas.height*2;
var sw = stage.canvas.width*2;
var snowcontainer = new createjs.Container();
snowcontainer.regX = sw/2;
this.addChild(snowcontainer);

function randomize(min, max) {
return (Math.random() * max) + min; //return Math.round(Math.random() * max) + min;
}

createjs.Ticker.on("tick", snowfall);

function snowfall(e) {
for (var i = snowcontainer.numchildren-1; i >=0; i--){
var s = snowcontainer.getChildAt(i);
s.y += s.speed;
if (s.y > sh+20) {
s.y = randomize(-500, sh);
}
}
}

function snowstrom(sfc) {
for (var i = sfc; i >= 0; i--) {
var sf = new lib.snowflake();
sf.x = randomize(0, sw);
sf.y = randomize(-500, sh);
sf.alpha = randomize(0.5, 0.9);
sf.scaleX = randomize(0.5, 0.9);
sf.scaleY = sf.scaleX;
sf.speed = randomize(1, 8);
snowcontainer.addChild(sf);
}
}
snowstrom(1000);


Regards

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Community Expert ,
Jun 17, 2022 Jun 17, 2022

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Hi.

 

It's because you wrote numchildren (with lowercase c). The correct is to write numChildren (with a capital C).

 

So instead of:

for (var i = snowcontainer.numchildren - 1; i >= 0; i--)

 

It must be:

for (var i = snowcontainer.numChildren - 1; i >= 0; i--)

 

I hope it helps.

 

Regards,

JC

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Community Beginner ,
Jun 17, 2022 Jun 17, 2022

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Welcome back

Thank you very much, it works.
Man learns all his life.
Thank you again and best regards.

Jan

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Community Expert ,
Jun 17, 2022 Jun 17, 2022

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You're welcome.

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