Flex :: 4 - TouchEvent StageX & StageY Properties Fluctuate Under Transformed Target
Aug 3, 2011
I've written code that enables DisplayObjects to be fully manipulated under two touch points (drag, scale, rotate). The problem I'm having is that as the DisplayObject is being manipulated, it causes fluctuations in the TouchEvent's stageX & stageY properties. These fluctuations are feeding back into the tranformation code and as a result, the object shakes/shivers.
It seems that the stageX & stageY properties are being calculated from the localX & localY properties of the TouchEvent. I've tried adding listening to the stage itself for the TouchMove event, but as soon as I drag my finger over a transformed object, the traced stageX & stageY values change slightly, going from integers to floating-point numbers. This is evidently what's causing the shakey feedback loop.
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