Old experiment: pan through an image with actionscript

June 4, 2007 by Emanuele Feronato
Filed Under Flash •  

This is an experiment made in 2004 translated into a newer version of actionscript.

It's very simple and needs a lot of improvements and I think you could transform this file into something usable.

The actionscript, all in the first frame, is very simple: the two objects are the_arrow representing the mouse pointer and map representing the image.

PLAIN TEXT
ACTIONSCRIPT:
  1. Mouse.hide();
  2. _root.attachMovie("map", "map", 1);
  3. _root.attachMovie("the_arrow", "the_arrow", 2, {_x:250, _y:175});
  4. the_arrow.onEnterFrame = function() {
  5.     this._x += (_xmouse-this._x)/5;
  6.     this._y += (_ymouse-this._y)/5;
  7.     dist_x = this._x-250;
  8.     dist_y = this._y-175;
  9.     angle = Math.atan(dist_y/dist_x)/(Math.PI/180);
  10.     if (dist_x<0) {
  11.         angle += 180;
  12.     }
  13.     if (dist_x>=0 and dist_y<0) {
  14.         angle += 360;
  15.     }
  16.     this._rotation = angle;
  17.     deltax = -(this._x-250)/90;
  18.     deltay = -(this._y-175)/90;
  19.     map._x += deltax;
  20.     map._y += deltay;
  21.     if (map._x>1000) {
  22.         map._x = 1000;
  23.     }
  24.     if (map._x<-500) {
  25.         map._x = -500;
  26.     }
  27.     if (map._y>1000) {
  28.         map._x = 1000;
  29.     }
  30.     if (map._y<-650) {
  31.         map._y = -650;
  32.     }
  33.    
  34. };

Being an old experiment, I won't comment it, but someday I am going to release a newer, released version.

Here it is the source code for you to enjoy.

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5 Responses to “Old experiment: pan through an image with actionscript”

  1. V34 on June 4th, 2007 3:53 am

    Thanks a lot.
    Looking forward for the newer version.

    I think it’s very impressive you’re doing almost all your project open source.

    - V34

  2. And Mar on June 13th, 2007 4:49 am

    Hi this is a sample image used in this example enjoy

  3. Nat Panviroj on September 17th, 2007 5:56 am

    Thanks a lot.

  4. André Scofano on November 9th, 2008 4:24 am

    Very nice of you putting this experiment on your site. Very simple, easy to understand and i can imagine practical applications.

    Just a question, in line 28, wouldn’t be “.y” insted of “.x”?

    Thanks a lot.

  5. mar on November 11th, 2008 9:41 pm

    excelent!! como puedo lograr ke avance mas rapido?

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