gwob

type Group struct {
	Name       string
	Smooth     int
	Usemtl     string
	IndexBegin int
	IndexCount int
}

type Material struct {
	Name       string
	Map_Kd     string
	Kd, Ks, Ke [3]float64
	D          float64
	Refr       float64
	Ns         float64
}

type MaterialLib struct {
	Lib map[string]*Material
}

type Obj struct {
	Indices []int
	Coord   []float64 // vertex data pos=(x,y,z) tex=(tx,ty) norm=(nx,ny,nz)
	Mtllib  string
	Groups  []*Group

	BigIndexFound  bool // index larger than 65535
	TextCoordFound bool // texture coord
	NormCoordFound bool // normal coord

	StrideSize           int // (px,py,pz),(tu,tv),(nx,ny,nz) = 8 x 4-byte floats = 32 bytes max
	StrideOffsetPosition int // 0
	StrideOffsetTexture  int // 3 x 4-byte floats
	StrideOffsetNormal   int // 5 x 4-byte floats
}

type ObjParserOptions struct {
	LogStats      bool
	Logger        func(string)
	IgnoreNormals bool
}