Some beginner questions

[Triexy]

Hi,

 

I want to upload some models but I have troubles with the hitbox or physics i dont know really, but my avatar is hovering and want to know how can I fix it -.- and sry I dont know how to insert a image correctly

http://www11.pic-upload.de/03.02.15/y1kmp72vgod3.jpg

 Thx for your help

Greets

Triexy

[Drongle McMahon]

You will need to make a proper physics shape. I had a look at your bridge, as you had sensibly left it on the beta grid. Here is a picture of it with the the overlayed physics shape display (Develop->Rendder Meatadata->Physics Shapes).

It looks like you have used deault LOD and physics meas. What happens then is that the uploader makes the default physics shape (the one you get with physics shape type set to Convex Hull) from the convex hull of the Low LOD mesh. Here is your Low LOD (seen by setting very low RenderVolumeLODFactor), with the relevant mesh highlighted. You can see that shrink wrapping that gives you the blue physics shape above.

What you need is a specifically made physics mesh. For the bridge, I would stick to shapes made of non-overlapping simple stretched  cubes, something like this for that piece of the mesh .

Upload these in the physics tab and click "Analyze" button. Then inworld, set the physics mesh type to "Prim" on the features tab of the edit dialog.

You need to make a separate physics mesh object for each of the separate onbjects in your visible mesh file, and they have to be in the same order in the file as their corresponding visible meshes are. In Blender, you can assure this by naming them in the same alphabetical order and checking the Sort by Object Name box (automatic if you choose SL presets).

Another thing about your bridge - It migh be better with fewer separate meshes. For example, the curved arches are separate from the main bridge. This means they have to have their own separate physics mesh object. If they are combined, then the combined physics mesh can be much simpler. Combining affects the LOD switch distance if it affects the size of the bounding box, in this case just of the curved arches. This would have a large effect on LI for the whole bridge, but not for combining just the arch. For this kind of mesh, you can also improve the LOD behaviour by making your own LOD meshes, but that is more work, and you have to decide for yourself whether you want to do that.

[tamashii2000]

i need to learn this mesh thing.