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Correcting the X and Y co-ordinatesOk, now you must be wondering what is xcorrect and ycorrect? They are nothing but simple variables to correct the X and Y coordinates of the MovieClip. If you use HitTest without making provisions for Xcorrect or YCcorrect, you may not get the desired result.When you draw something and then convert it into a MovieClip, you will notice that a small circle appears at the centre of the MovieClip. This centre actually acts as the X and Y coordinate for the Movie. You can picture it like this: 
You can see that the X and Y are located at the centre of the MovieClip whereas it should have been at the top left-most corner. So, to get the actual X and Y co-ordinates, subtract half the MovieClip's width from its _x co-ordinate and subtract half the MovieClip's height from its _y co-ordinate.
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HitTest With Irregular Shapes
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