Difference between revisions of "Mesh/Exporting a mesh from Blender"
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Check out this '''[http://blog.machinimatrix.org/3d-creation/blender-meshes-trail/ 3-part Blender tutorial for static meshes.]''' | Check out this '''[http://blog.machinimatrix.org/3d-creation/blender-meshes-trail/ 3-part Blender tutorial for static meshes.]''' | ||
There's also a detailed Blender rigging tutorial here: '''BlanderMan rigging tutorial | There's also a detailed Blender rigging tutorial here: '''BlanderMan rigging tutorial [http://vimeo.com/5067809 part 1-1], [http://vimeo.com/5068722 part 1-2], [http://vimeo.com/5070359 part 2]'''. | ||
=== Simple tube avatar === | === Simple tube avatar === | ||
Revision as of 15:11, 30 December 2010
Video tutorial
Check out this 3-part Blender tutorial for static meshes.
There's also a detailed Blender rigging tutorial here: BlanderMan rigging tutorial part 1-1, part 1-2, part 2.
Simple tube avatar
<videoflash type="youtube">3JHWDdrIeD0|640|505</videoflash>
Mancandy avatar
<videoflash type="youtube">8w88B7F7v_k|640|505</videoflash>
Basic workflow
Create a box (or monkey or teapot or hippo)
Reduce polygons
The easiest way to reduce the polygon count of your mesh is via the "Poly Reducer" script, accessible via the Mesh -> Scripts -> Poly Reducer. This script reduces the number of polygons in the model without affecting its shape, much like the "Decimate" tool, but also maintains the mesh's UV mapping.
To quickly and easily produce a set of LOD meshes:
- Make sure your blender file is saved
- Export your full-detail mesh to COLLADA
- Run Poly Reducer with a poly reduce setting of 0.5 (to reduce your polygon count by half).
- If you make any manual changes to tweak the resulting mesh, remember to update the UV map to match.
- Export your mesh to COLLADA; this will be the "medium" level of detail.
- Reload your original full-detail mesh. It's good to start from the full-detail mesh each time to prevent errors from accumulating, though this may not be a significant concern for simple meshes such as attachments.
- Run Poly Reducer with a poly reduce setting of 0.25 (to reduce your polygon count by three quarters).
- Export your mesh to COLLADA; this will be your "low" level of detail.
- Reload your original full-detail mesh.
- Run Poly Reducer with a poly reduce setting of 0.125 (to reduce your polygon count by seven eighths).
- Export your mesh to COLLADA; this will be your "lowest" level of detail. You may also want to use this mesh when defining your model's physics.
Unfortunately the Poly Reducer script is currently only available for version 2.4x of Blender. The "Decimate" modifier is a serviceable substitute but the downside is that you'll need to redo the UV map for each LOD level.