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Calling a function on enter frame frame (HTML5 canvas)

Explorer ,
Jun 09, 2022 Jun 09, 2022

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Hi,

I have a newbie question.

 

I want to define and execute a function and apply that code it to a frame in the timeline.

 

Previously, I've used the same function on a button click event:

 

this.button_name.on('click', function ()
{
	var randomframe = Math.floor(Math.random() * _this.movieclip.totalFrames);
	_this.movieclip.gotoAndStop(randomframe);
});

 

How do I modify the above so that it executes upon entering a frame instead of a click event?

 

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correct answers 1 Correct answer

Community Expert , Jun 09, 2022 Jun 09, 2022
var randomframe = Math.floor(Math.random() * _this.movieclip.totalFrames);
	_this.movieclip.gotoAndStop(randomframe);

 

will work.  but if you really want to execute a function, you can do it more verbosely with:

 

gotoF();

function gotoF(){

var randomframe = Math.floor(Math.random() * _this.movieclip.totalFrames);
	_this.movieclip.gotoAndStop(randomframe);

}

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Community Expert ,
Jun 09, 2022 Jun 09, 2022

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var randomframe = Math.floor(Math.random() * _this.movieclip.totalFrames);
	_this.movieclip.gotoAndStop(randomframe);

 

will work.  but if you really want to execute a function, you can do it more verbosely with:

 

gotoF();

function gotoF(){

var randomframe = Math.floor(Math.random() * _this.movieclip.totalFrames);
	_this.movieclip.gotoAndStop(randomframe);

}

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Community Expert ,
Jun 09, 2022 Jun 09, 2022

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p.s. if you want to eliminate the need to use:

 

var _this=this;

 

you can use:

 

gotoF.bind(this)();

function gotoF(){

var randomframe = Math.floor(Math.random() * _this.movieclip.totalFrames);
	this.movieclip.gotoAndStop(randomframe);

}

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Explorer ,
Jun 09, 2022 Jun 09, 2022

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Thannk you. 

Works perfectly.

 

And thanks for the extra tips!

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Community Expert ,
Jun 09, 2022 Jun 09, 2022

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you're welcome.

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