Shape Shape::RotateShape(LBF_DATA angleRange)
{
Shape dstShape;
if (m_Shape.size() < 1)
return dstShape;
dstShape.resize(m_Shape.size());
std::random_device randDev;
std::mt19937 generator(randDev());
std::uniform_real_distribution<LBF_DATA> distr(0, 1);
LBF_DATA rotAngle = 2 * angleRange * distr(generator) - angleRange;
LBF_POINT rotCenter = GetMeanPoint();
LBF_DATA sinT = std::sin(rotAngle * PI / 180);
LBF_DATA cosT = std::cos(rotAngle * PI / 180);
for (int i = 0; i < m_Shape.size(); i++)
{
dstShape.m_Shape[i].x = rotCenter.x + cosT*(m_Shape[i].x - rotCenter.x) - sinT*(m_Shape[i].y - rotCenter.y);
dstShape.m_Shape[i].y = rotCenter.y + sinT*(m_Shape[i].x - rotCenter.x) + cosT*(m_Shape[i].y - rotCenter.y);
}
return dstShape;
}
int main(int argc, char* argv[])
{
const int ActualGridWidth = 1920;
const int ActualGridHeight = 1080;
const int MSLevel = 2;
const int MSGridWidth = ActualGridWidth * MSLevel;
const int MSGridHeight = ActualGridHeight * MSLevel;
std::random_device randDev;
std::default_random_engine randEng(randDev());
std::uniform_int_distribution<int> dist(0, MSLevel);
for (auto i = 0; i < ActualGridWidth; i++)
{
for (auto j = 0; j < ActualGridHeight; j++)
{
// Pick random cell
auto cellX = i * MSLevel + dist(randEng);
auto cellY = j * MSLevel + dist(randEng);
// Now compute the ray using MSGridWidth and MSGridHeight
}
}
}
int main(int argc, char* argv[])
{
std::ofstream ofile("out.dat", std::ios::binary);
std::random_device randDev;
std::default_random_engine defEngine(randDev());
std::uniform_int_distribution<int> dist(0, 9);
auto printSomeNumbers = [&](std::default_random_engine& engine) { for(int i=0; i < 10; i++) { std::cout << dist(engine) << " "; } std::cout << std::endl; };
std::cout << "Start sequence: " << std::endl;
printSomeNumbers(defEngine);
ofile << defEngine;
ofile.close();
std::default_random_engine fileEngine;
std::ifstream ifile("out.dat", std::ios::binary);
ifile >> fileEngine;
std::cout << "Orig engine: "; printSomeNumbers(defEngine);
std::cout << "File engine: "; printSomeNumbers(fileEngine);
std::cin.get();
return 0;
}
