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Move and rotate parts with the mouse

arno

arno

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It has been requested multiple times already to add a feature to MCX to allow interactive moving and rotating of model parts in the preview. Now this can only be done with the hierarchy editor by editing the transformation (translation, rotation and scale) by entering new numbers in an edit form.

I do understand that interactive moving or rotating with the mouse would be easier. But on the other hand I am also not sure how to implement it in such a way that it is easy to use. For example I will have to convert the mouse movement to a translation or rotation. That is relatively easy to do if I would only allow moving and rotating along one axis at a time. But is that user friendly? That the user would select the axis to move along (question is also how to select this, a button press, mouse click, ...) and then as long as the mouse is held down that any movement is converted to a translation.

I am starting this thread now to have some discussion and gather some ideas on what a workable implementation could be. So any ideas on how you would like to be able to use it are welcome. Then I can consider afterwards what is also realistic to implement :)

Looking forward to hear the thoughts of the users about this.
 
Hello;
I think you got it right; hold left mouse button and rotate up down left right according to mouse movement. In my opinion this would be the easy option.
Tx for the hard work you put into your Mcx.
 
Of course the up, down, left and right movements on the 2D screen need to be translated to the 3D world of the object. That is why I proposed to allow movement along one axis at a time. In that case the math for that is not too complex :)
 
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