func surfaceTriangleList(surf *md3.Surface, baseVertex int, output chan<- surfaceStringPair) {
var err error
buffer := new(bytes.Buffer)
triCount := surf.NumTriangles()
for triIndex := 0; triIndex < triCount; triIndex++ {
tri := surf.Triangle(triIndex)
if *swapYZ {
_, err = fmt.Fprintf(buffer, "f %[1]d/%[1]d/%[1]d %[2]d/%[2]d/%[2]d %[3]d/%[3]d/%[3]d\n",
baseVertex+int(tri.A), baseVertex+int(tri.B), baseVertex+int(tri.C))
} else {
_, err = fmt.Fprintf(buffer, "f %[3]d/%[3]d/%[3]d %[2]d/%[2]d/%[2]d %[1]d/%[1]d/%[1]d\n",
baseVertex+int(tri.A), baseVertex+int(tri.B), baseVertex+int(tri.C))
}
if err != nil {
panic(err)
}
}
output <- surfaceStringPair{surf, buffer.String()}
}
