Thanks for the advice! I'll try again. Best, Paul
[email protected] schrieb am Dienstag, 14. Januar 2025 um 07:31:58 UTC+1: > Thanks for the example! > > Irrlicht3d and VulkanSceneGraph are fundamentally different under the > hood. 3D objects in VSG must be given as indexed face sets with proper > shading setup. Size, orientation and position must be set by a > transformation matrix. For a couple of primitive objects (box, shere, > cone,...) we have convenience functions. User defined objects can be loaded > via 3d-graphic files. We recommend the wavefront file format (*.obj/*.mtl) > because it is human readable and has an easy structure. > > demo_VSG_assets shows 3D objects bound to bodies and scenery objects, > which are meant for decoration (treas, houses, animals,...). The scenery > objects can also be moved, oriented and sized. In the demo you have the > (Utah)teapot, the (Stanford)bunny, the teleporting sphere and of course the > forklift truck. You could try at first this basic approach. > It should give you a similar result you have in the Irrlicht based demo. > The sizing of an object only by a transformation matrix is of course > limited and does not consider shape changes of the object during > expansion/compression it is just linear mathematical sizing. There is a > more sophisticated solution with vertex/normal/color updates but this is > tricky and should not be tried as a first approach. > > Good luck! > > [email protected] schrieb am Samstag, 11. Januar 2025 um 17:57:28 > UTC+1: > >> Hi Rainer, >> >> Of course. I've attached an example for you. It's an adaption of one of >> your demos. I exchanged the ChVisualShapeSpring with my >> ChVisualShapeMuscle. >> >> Thanks, >> Paul >> >> [email protected] schrieb am Freitag, 10. Januar 2025 um 18:08:02 >> UTC+1: >> >>> Hi Paul, >>> >>> can you provide us with the Irrlicht based code example.It would make it >>> easier for us to understand the problem. >>> >>> Best, >>> Rainer >>> >>> [email protected] schrieb am Mittwoch, 8. Januar 2025 um 19:03:08 >>> UTC+1: >>> >>>> Hi everyone, >>>> >>>> I've got a little problem with the VSG visualization system. I want to >>>> add a dynamic visualization similar to ChVisualShapeSpring but with >>>> ChVisualShapeSurface (NURBS). I created my own class inheriting from >>>> ChVisualShapeSurface and implemented the Update function. But if I add >>>> this >>>> shape now to a ChLink object, nothing shows, and when added to a body, the >>>> shape doesn't change. I also tested my code with Irrlicht to check if >>>> everything was updated and visualized correctly what was the case. >>>> >>>> I tried to adjust the code in ChVisualSystemVSG.cpp but I can't make it >>>> work. >>>> >>>> Can you maybe give me a hint on how and where I need to adjust the code >>>> so that surface shapes are also dynamically updated with VSG? >>>> >>>> I'm using the main branch. >>>> >>>> Best, >>>> Paul >>> >>> -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/projectchrono/774b0ab3-a914-4ac4-99ac-8cc983bb1a83n%40googlegroups.com.
