CCamera CCamera::CreateCamera(CVector position, CVector lookAt) {
auto forward = lookAt.Subtract(position).Normalize();
auto down = CVector(0.0, -1.0, 0.0);
auto right = forward.Cross(down).Normalize().Scale(1.5);
auto up = forward.Cross(right).Normalize().Scale(1.5);
return CCamera(position, forward, right, up);
}
LUALIB_FUNCTION(_G, Camera)
{
auto self = CCamera();
my->Push(self);
return 1;
}
std::string cur_s;
s_stream >> cur_s;
if(cur_s == "sphere") {
double c_x, c_y, c_z, radius;
int r, g, b;
s_stream >> c_x >> c_y >> c_z >> radius;
s_stream >> r >> g >> b;
CMaterial mat;
mat.set_color(CColor(r, g, b));
CSphere* sphere = new CSphere(radius, CPoint3D(c_x, c_y, c_z), mat);
m_objects.push_back(sphere);
}
else if(cur_s == "camera") {
double p_x, p_y, p_z, v_x, v_y, v_z;
s_stream >> p_x >> p_y >> p_z >> v_x >> v_y >> v_z;
m_camera = CCamera(CPoint3D(p_x, p_y, p_z), CPoint3D(v_x, v_y, v_z));
}
else if(cur_s == "lighter") {
double i, p_x, p_y, p_z;
s_stream >> i >> p_x >> p_y >> p_z;
m_lighters.push_back(CLighter(CPoint3D(p_x, p_y, p_z), i));
}
else if(cur_s == "triangle") {
double p_x1, p_y1, p_z1, p_x2, p_y2, p_z2, p_x3, p_y3, p_z3;
int r, g, b;
s_stream >> p_x1 >> p_y1 >> p_z1 >> p_x2 >> p_y2 >> p_z2 >> p_x3 >> p_y3 >> p_z3;
s_stream >> r >> g >> b;
CMaterial mat;
mat.set_color(CColor(r, g, b));
std::vector<CPoint3D> vec = { CPoint3D(p_x1, p_y1, p_z1), CPoint3D(p_x2, p_x2, p_z2),
CPoint3D(p_x3, p_y3, p_z3) };
