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Small adjustment to the NanoSG readme

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Signed-off by: Arthur Brainville (Ybalrid) <ybalrid@ybalrid.info>
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Arthur Brainville (Ybalrid) 2018-02-19 02:29:04 +01:00
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examples/raytrace/README.md
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@ -4,23 +4,23 @@ Simple, minimal and header-only scene graph library for NanoRT.
NanoSG itself shoud be compiled with C++-03 compiler, but demo code uses C++11 features. NanoSG itself shoud be compiled with C++-03 compiler, but demo code uses C++11 features.
![](images/nanosg-demo.png) ![screenshot of the demo program](images/nanosg-demo.png)
![](https://media.giphy.com/media/l3JDO29fMFndyObHW/giphy.gif) ![Animation showing node manipulation](https://media.giphy.com/media/l3JDO29fMFndyObHW/giphy.gif)
## Build ## Build
### Linux or macOS ### Linux or macOS
``` ```bash
$ premake5 gmake premake5 gmake
$ make make
``` ```
### Windows ### Windows
``` ```bash
$ premake5 vs2015 premake5 vs2015
``` ```
## Data structure ## Data structure
@ -46,7 +46,7 @@ Current example code assumes mesh is all composed of triangle meshes.
Following method must be implemented for `Scene::Traversal`. Following method must be implemented for `Scene::Traversal`.
``` ```cpp
/// ///
/// Get the geometric normal and the shading normal at `face_idx' th face. /// Get the geometric normal and the shading normal at `face_idx' th face.
/// ///
@ -74,19 +74,19 @@ API is still subject to change.
### Node ### Node
``` ```cpp
void Node::SetName(const std::string &name); void Node::SetName(const std::string &name);
``` ```
Set (unique) name for the node. Set (unique) name for the node.
``` ```cpp
void Node::AddChild(const type &child); void Node::AddChild(const type &child);
``` ```
Add node as child node. Add node as child node.
``` ```cpp
void Node::SetLocalXform(const T xform[4][4]) { void Node::SetLocalXform(const T xform[4][4]) {
``` ```
@ -94,20 +94,20 @@ Set local transformation matrix. Default is identity matrix.
### Scene ### Scene
``` ```cpp
bool Scene::AddNode(const Node<T, M> &node); bool Scene::AddNode(const Node<T, M> &node);
``` ```
Add a node to the scene. Add a node to the scene.
``` ```cpp
bool Scene::Commit() { bool Scene::Commit() {
``` ```
Commit the scene. After adding nodes to the scene or changed transformation matrix, call this `Commit` before tracing rays. Commit the scene. After adding nodes to the scene or changed transformation matrix, call this `Commit` before tracing rays.
`Commit` triggers BVH build in each nodes and updates node's transformation matrix. `Commit` triggers BVH build in each nodes and updates node's transformation matrix.
``` ```cpp
template<class H> template<class H>
bool Scene::Traverse(nanort::Ray<T> &ray, H *isect, const bool cull_back_face = false) const; bool Scene::Traverse(nanort::Ray<T> &ray, H *isect, const bool cull_back_face = false) const;
``` ```
@ -119,10 +119,10 @@ Returns `true` when there is an intersection and hit information is stored in `i
* [ ] Compute pivot point of each node(mesh). * [ ] Compute pivot point of each node(mesh).
## Third party libraries and its icenses. ## Third party libraries and its icenses
* picojson : BSD license. * picojson : BSD license.
* bt3gui : zlib license. * bt3gui : zlib license.
* glew : BSD/MIT license. * glew : BSD/MIT license.
* tinyobjloader : MIT license. * tinyobjloader : MIT license.
* glm : The Happy Bunny License (Modified MIT License). Copyright (c) 2005 - 2017 G-Truc Creation * glm : The Happy Bunny License (Modified MIT License). Copyright (c) 2005 - 2017 G-Truc Creation