virtual bool Initialize() {
viewport.n = 0.1;
viewport.f = 100;
viewport.setLensAngle(DtoR(30.0));
camera.dist = 6;
if(!geometry.empty()) {
AABB3D bb;
bb.minimize();
for(size_t i=0;i<geometry.size();i++) {
AABB3D bi = geometry[i]->GetAABB();
bb.expand(bi.bmin);
bb.expand(bi.bmax);
}
camera.tgt = (bb.bmin + bb.bmax)*0.5;
Real size = (bb.bmax-bb.bmin).maxElement();
camera.dist = 3.0*size;
if(size < 0.1) viewport.n = size;
if(size*3 > 100) viewport.f = size*3;
}
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glClearColor(0,0,0,0);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
return GLUTNavigationProgram::Initialize();
}
void Polygon3D::getAABB(AABB3D& bb) const
{
if(vertices.size() == 0) {
bb.minimize();
return;
}
bb.setPoint(vertices[0]);
for(size_t i=1; i<vertices.size(); i++)
bb.expand(vertices[i]);
}