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Detecting Direction of Cursor

Author: 10StepsSG Author's URL: http://10steps.sg/ More by this author

Preparations:

Create a new flash file (ActionScript 2.0) and save it as test.fla in this case.

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Step 1:

Draw an arrow on the Stage.

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Step 2:

Convert the arrow into a movieclip Symbol with instance name my_mc. Double-click on my_mc and centralize the arrow to the Stage.

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Step 3:

Create a layer on top of the object layer and name it as actions.

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Step 4:

Right-click on the frame and select Actions to open up the Actions panel.

Detecting Direction of Cursor

Step 5:

Insert these codes inside the Actions panel.

That's all!

function detectDirection(item) {
var dx = item._x-_xmouse;
var dy = item._y-_ymouse;
var angle = Math.atan2(dy, dx);
item._rotation = angle/Math.PI*180-90;
}
_root.onEnterFrame=function(){
detectDirection(my_mc);
}


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