re: [Flightgear-devel] animation types: translation and scaling

2003-02-26 Thread David Megginson
Michael Selig writes: In this case I need to translate the lower linkage and also rotate it. Are there any existing examples of how to combine these motions in the -model.xml file? Yes, take a look at the animation code for the Fowler flaps on the 172P in

re: [Flightgear-devel] animation types: translation and scaling

2003-02-26 Thread Jim Wilson
This is a great example. The 747 flaps use both as well. The gear uses translation on the gear compression value from yasim to stay above the pavement, as well as multiple gear retraction rotations (for the way the 747 gear retracts). Don't forget to be careful about the order (which you do

re: [Flightgear-devel] animation types: translation and scaling

2003-02-25 Thread Michael Selig
At 2/21/03, David Megginson wrote: Michael Selig writes: I am wondering is it possible to translate an object? I am working on an ornithopter flight dynamics model (http://www.ornithopter.net) and the center piece of the wing translates. (I currently use Lee's Hawker Seahawk!) Yes,

re: [Flightgear-devel] animation types: translation and scaling

2003-02-21 Thread David Megginson
Michael Selig writes: I am wondering is it possible to translate an object? I am working on an ornithopter flight dynamics model (http://www.ornithopter.net) and the center piece of the wing translates. (I currently use Lee's Hawker Seahawk!) Yes, absolutely. Here are the animations

re: [Flightgear-devel] animation types: translation and scaling

2003-02-21 Thread Curtis L. Olson
David Megginson writes: Plib doesn't include a scaling transformation -- when I asked Steve Baker, he said that it would screw up all of the FOV code. You'd be better to open the model in a 3D editor and scale it in advance. Scaling can also screw up normals/lighting. As David suggests, you