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I have been experimenting with the trial version of dbpro for about a week now. now im a bit bored of bouncing boxes around the screen and want to get something more advanced happening. so i have a couple of questions :

1) Want is the relationship between objects, meshes and limbs. does an object contain a number of limbs and each limb a mesh?

2) Is it posible to write vertex data? e.g. to create custom file loaders, my guess is that it has something to do with memblocks and meshes. Plus would it be fast enough to implement a dynamic vertex buffer, for stuff like terrain LOD?

any help would be great. cheers.

Hi,

All objects have a mesh at the heart of them. Even your basic box. It's the very structure of the object.

A limb is essentially just another object that is tied to a parent object so you can move/rotate/scale them in unison. Limbs and parent objects both have meshes (which can be the same or independant, it doesn't matter which).

An object will not contain any "limbs" unless you add them.

Yes it's possible to alter the mesh of an object (i.e. alter it's vertex data) and yes you would would the "make memblock from mesh" command, make your alterations and then update the object accordingly. It is fast enough for real-time deformation for sure. The scale of which depends mostly on (a) your object and (b) your modification - is it intensive or heavy on the math for example? Only you can tell.

Cheers,

Rich