Simple Mouse-tracking: Making a Circle follow the mouse

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To create this animation, type the following text into a new Flash document Actionscript panel:

// Create a ball clip
this.createEmptyMovieClip("ball", 0);
ball.lineStyle(50, 0x0, 100);
ball.moveTo(0, 0);
ball.lineTo(0, 1);
// Animate ball to follow the mouse
ball.onEnterFrame = function( ) {
    this._x -= (ball._x - _xmouse) / 4;
    this._y -= (ball._y - _ymouse) / 4;
};

Save your file and test it. Modify some of the other parameters in the script to see how they affect the appearance and interactivity of the animation.

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Jeff Sale