Pencil-outline scale (1.0 should be around 1 pixel) NameД = BDEF1, 1 = BDEF2, 2 = BDEF4, 3 = SDEF, 4 = QDEF The vertex section starts with an int defining how many vertices there are (Note that it is a signed int). The bone index of -1 is a nil value, the bone should be ignored. There are multiple types of deforms, each one varies in length and usage. A single vertex can be tied to a maximum of 4 bones. Deform TypesД®ach vertex can be tied and weighted to bones based on the Bone Index (See Index Types above). Vertex colour (PMX 2.1 has a material extension that uses the first additional vec4 for this)ДЄs they are implementation dependant it is most-likely safe to ignore additional vec4, however this isn't a guarantee, a PMX model can be produced expecting additional vec4 to be used in a specific way.Usage tends to vary as most applications will simply pass the values to a vertex shader and let the shader decide the usage.ДЄs an example, additional vec4 may be used for the following The index type for rigid bodies (See Index Types above)Д®ach vertex may gain up to 4 additional vec4 values as defined in the Globals list in the header. The index type for morphs (See Index Types above) The index type for bones (See Index Types above) The index type for materials (See Index Types above) The index type for textures (See Index Types above) The index type for vertices (See Index Types above) Type defined in file header, sign depends on usageД«yte encoding for the 'text' type, 0 = UTF16LE, 1 = UTF8ДЄdditional vec4 values are added to each vertex Text encoding is UTF16LE or UTF8 depending on the global encoding settingД«yte sequence encoding defined in Globals.A lot of unknown/incomplete information in the Bone section onwards.If you are able to help with any of these, please do! Either fork and request a merge or write in the comments below what needs to be done. This is work-in-progress! Please leave feedback in the comments. PMX file format used in Miku Miku Dance (MMD).

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