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| author | Syoyo Fujita <syoyo@lighttransport.com> | 2017-04-25 15:50:42 +0900 |
|---|---|---|
| committer | Syoyo Fujita <syoyo@lighttransport.com> | 2017-04-25 15:50:42 +0900 |
| commit | 3e146c376cc85a7b7f1d7e92919db279257f6efc (patch) | |
| tree | 8a7a57451b91653fd4e1b21d3ab0a0c0c38ddd87 | |
| parent | e60d33385e2e4f7fa891513150f2532b5bbcb093 (diff) | |
| download | tinyobjloader-3e146c376cc85a7b7f1d7e92919db279257f6efc.tar.gz | |
Update README.
| -rw-r--r-- | README.md | 24 |
1 files changed, 16 insertions, 8 deletions
@@ -51,6 +51,7 @@ TinyObjLoader is successfully used in ... ### New version(v1.0.x) +* Double precision support through `TINYOBJLOADER_USE_DOUBLE` thanks to noma * Loading models in Vulkan Tutorial https://vulkan-tutorial.com/Loading_models * .obj viewer with Metal https://github.com/middlefeng/NuoModelViewer/tree/master * Your project here! @@ -91,6 +92,7 @@ TinyObjLoader is successfully used in ... * Crease tag('t'). This is OpenSubdiv specific(not in wavefront .obj specification) * PBR material extension for .MTL. Its proposed here: http://exocortex.com/blog/extending_wavefront_mtl_to_support_pbr * Callback API for custom loading. +* Double precision support(for HPC application). ## TODO @@ -175,6 +177,12 @@ mesh_t::num_face_vertices => array of the number of vertices per face(e.g. 3 = t Note that when `triangulate` flas is true in `tinyobj::LoadObj()` argument, `num_face_vertices` are all filled with 3(triangle). +### float data type + +TinyObjLoader now use `real_t` for floating point data type. +Default is `float(32bit)`. +You can enable `double(64bit)` precision by using `TINYOBJLOADER_USE_DOUBLE` define. + #### Example code ```c++ @@ -208,14 +216,14 @@ for (size_t s = 0; s < shapes.size(); s++) { for (size_t v = 0; v < fv; v++) { // access to vertex tinyobj::index_t idx = shapes[s].mesh.indices[index_offset + v]; - float vx = attrib.vertices[3*idx.vertex_index+0]; - float vy = attrib.vertices[3*idx.vertex_index+1]; - float vz = attrib.vertices[3*idx.vertex_index+2]; - float nx = attrib.normals[3*idx.normal_index+0]; - float ny = attrib.normals[3*idx.normal_index+1]; - float nz = attrib.normals[3*idx.normal_index+2]; - float tx = attrib.texcoords[2*idx.texcoord_index+0]; - float ty = attrib.texcoords[2*idx.texcoord_index+1]; + tinyobj::real_t vx = attrib.vertices[3*idx.vertex_index+0]; + tinyobj::real_t vy = attrib.vertices[3*idx.vertex_index+1]; + tinyobj::real_t vz = attrib.vertices[3*idx.vertex_index+2]; + tinyobj::real_t nx = attrib.normals[3*idx.normal_index+0]; + tinyobj::real_t ny = attrib.normals[3*idx.normal_index+1]; + tinyobj::real_t nz = attrib.normals[3*idx.normal_index+2]; + tinyobj::real_t tx = attrib.texcoords[2*idx.texcoord_index+0]; + tinyobj::real_t ty = attrib.texcoords[2*idx.texcoord_index+1]; } index_offset += fv; |