Scale Error | Precision Problems width, height, getBounds | ActionScript 3.0 (AS3)

Last Updated on Thursday, 10 June 2010 14:59 Written by Nicholas Dunbar

Precision Pitfalls Between getRect and Width/Height

Keep in mind when you are using

var boundingBox:Rectangle = mc.getRect(coordSystem)

or

var boundingBox:Rectangle = mc.getBounds(coordSystem)

the Rectangle returned will be of a greater precision than mc.x, mc.y, mc.width and mc.height

trace (mc.width == boundingBox.width)

will often return false.

Also keep in mind that getRect and getBounds also can return different results depending on the contents of the DisplayObject.

getBounds returns a rectangle that defines the area of the display object including lines and shapes

getRect returns the rectangle including the extra gurth added by outline strokes on shapes.

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