Hi All
I have had the Fokker100 & 50 on my system for awhile but last night I wanted to have a look at some of the animations but to my surprise nothing moved.So thinking it might be something in the conversion from
Just for the record, the Fokker 50 isn't animated yet.
Blender to AC3D I loaded it into AC3D and resaved it still no animation.
So today I moved all the Fokker files into the 737 folder, I have, renaming all the files as if it was the 737.Then fired up the sim and all the animations worked but the surfaces moved all over the place.
I don't get this. I can't think of any way how this can happen ??!
So I decided to have a look at animations XML file for the Fokker and below is what I found compared with the A320.
Except for comparing the properties there is hardly anything which is shared between aircrafts.
Fokker100
A320
If we compare the <centre> statement for both A/C note that the Y & Z centres are interchanged.
There is a catch here. The animations are aligned the same way the *original* aircraft is aligned. But keep in mind that it is possible to re-align the coordinate system in the configuration files. So it might be possible to have the x-axis top to bottom for the aircraft but also get it properly aligned in FlightGear. In such a case the X-axis is also top to bottom for the animation code!
Am I missing something here.The way I understand the coordinate system the X positions run from front to back the Y positions from side to side and the Z positions up and down.
Other things that came to notice with the Fokker were the left and right flaps sharing the same centre and the rudder only having movement around the Z axis when it appears to slope back.
There seems to be a difference between .ac files generated by ac3d directly and files converted to .ac format. The ac3d generated files assigns center point locations to objects. All animations are relative to the center point of the object instead of the center point of the aircraft.
This is not to criticise but to find out if there is a problem with the model being made with Blender and then converted or a problem with portability between OS.
I can almost guarantee there is no OS problem for these things (the only thing I can think of is incompatible line endings).
Erik
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