void initialise()
{
glClearColor(0.0f, 1.0f, 1.0f, 1.0f);
glm::mat4 projection = glm::perspective(10.0f,
800.0f/600.0f,
0.1f,
10000.0f);
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(glm::value_ptr(projection));
glMatrixMode(GL_MODELVIEW);
glEnable(GL_DEPTH_TEST);
glEnable(GL_VERTEX_ARRAY);
//geometry* geom = createBox();//call to create box
//geometry* geom = createPyramid();
//geometry* geom = createTetrahedron();
//geometry* geom = createDisk(200);
//geometry* geom = createCylinder(5, 10);
//geometry* geom = createSphere(20, 20);
//geometry* geom = createTorus(5.0f, 10, 30);
//geometry* geom = createPlane(20, 20);
geometry* geom = createSierpinski(5);
cube.geometry = geom;
cube.colour = glm::vec3(1.0f, 0.0f, 0.0f);
cube.transform.position = glm::vec3(0.0f, 0.5f, 0.0f);
}
void readGeometry(scene_data* scene, const boost::property_tree::ptree& pt)
{
boost::property_tree::ptree::const_iterator iter = pt.begin();
for (; iter != pt.end(); ++iter)
{
std::string name = iter->first;
geometry* geom;
if (name == "cube")
geom = createBox();
else if (name == "tetrahedron")
geom = createTetrahedron();
else if (name == "pyramid")
geom = createPyramid();
else if (name == "disk")
{
int slices = iter->second.get_child("slices").get_value<int>();
geom = createDisk(slices);
}
else if (name == "cylinder")
{
int slices = iter->second.get_child("slices").get_value<int>();
int stacks = iter->second.get_child("stacks").get_value<int>();
geom = createCylinder(stacks, slices);
}
else if (name == "sphere")
{
int slices = iter->second.get_child("slices").get_value<int>();
int stacks = iter->second.get_child("stacks").get_value<int>();
geom = createSphere(stacks, slices);
}
else if (name == "torus")
{
float radius = iter->second.get_child("radius").get_value<float>();
int slices = iter->second.get_child("slices").get_value<int>();
int stacks = iter->second.get_child("stacks").get_value<int>();
geom = createTorus(radius, stacks, slices);
}
else if (name == "plane")
{
int width = iter->second.get_child("width").get_value<int>();
int depth = iter->second.get_child("depth").get_value<int>();
geom = createPlane(width, depth);
}
else if (name == "sierpinski")
{
int divisions = iter->second.get_child("divisions").get_value<int>();
geom = createSierpinski(divisions);
}
else
{
std::cerr << "Error - Geometry type not recognised: " << name << std::endl;
exit(EXIT_FAILURE);
}
scene->geometry[name] = geom;
}
}