Resizing the aspect ratio of an MC

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[FONT=Times New Roman][SIZE=3]Hi[/SIZE][/FONT]
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[FONT=Times New Roman][SIZE=3]I’m having troubles with a full screen website I’m working on. Using mc_tween2.as and materials from [/SIZE][/FONT][FONT=Times New Roman][SIZE=3][COLOR=#0000ff]www.laco.wz.cz[/COLOR][/SIZE][/FONT][FONT=Times New Roman][SIZE=3] I bumped into the following issue to do with resizing the aspect ratio of an MC. Curse my maths![/SIZE][/FONT]
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  //movieClip.command(“what to change”, what to change it to, speed in seconds, ease type, delay);
  cornImg.tween("_width", Stage.width/100*30, 1, "easeoutBack");
  cornImg.tween("_height", Stage.height/100*30*cornImg.width/100*30, 1, "easeoutBack");

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[FONT=Times New Roman][SIZE=3]That line there, resizes the MC to 30% of the stage. But if the stage has been set to have a very small width for example, the MC will effectively copy that aspect ratio and give it a very distorted look. [/SIZE][/FONT]
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[FONT=Times New Roman][SIZE=3]I THINK I need the MC to resize according to ratio’s of the stage… NOT percentage. [/SIZE][/FONT]
[FONT=Times New Roman][SIZE=3]So if the stage has resized to 4/20th it’s size, so must the MC.[/SIZE][/FONT]
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[FONT=Times New Roman][SIZE=3]You can view the problem by checking it out at [/SIZE][/FONT][FONT=Times New Roman][SIZE=3][COLOR=#800080]www.simonsmultimedia.com[/COLOR][/SIZE][/FONT][FONT=Times New Roman][SIZE=3] (doesn’t work in firefox[/SIZE][/FONT]
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[FONT=Times New Roman][SIZE=3]Play around with your browsers dimensions to see.[/SIZE][/FONT]

Mark