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OpenMW is an open implementation of the Morrowind engine
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195#include <components/misc/mathutil.hpp>
#include <osg/io_utils>
#include <gmock/gmock.h>#include <gtest/gtest.h>
#include <iomanip>#include <limits>
MATCHER_P2(Vec3fEq, other, precision, ""){ return std::abs(arg.x() - other.x()) < precision && std::abs(arg.y() - other.y()) < precision && std::abs(arg.z() - other.z()) < precision;}
namespace testing{ template <> inline testing::Message& Message::operator<<(const osg::Vec3f& value) { return (*this) << std::setprecision(std::numeric_limits<float>::max_exponent10) << "osg::Vec3f(" << value.x() << ", " << value.y() << ", " << value.z() << ')'; }
template <> inline testing::Message& Message::operator<<(const osg::Quat& value) { return (*this) << std::setprecision(std::numeric_limits<float>::max_exponent10) << "osg::Quat(" << value.x() << ", " << value.y() << ", " << value.z() << ", " << value.w() << ')'; }}
namespace Misc{ namespace { using namespace testing;
struct MiscToEulerAnglesXZQuatTest : TestWithParam<std::pair<osg::Quat, osg::Vec3f>> { };
TEST_P(MiscToEulerAnglesXZQuatTest, shouldReturnValueCloseTo) { const osg::Vec3f result = toEulerAnglesXZ(GetParam().first); EXPECT_THAT(result, Vec3fEq(GetParam().second, 1e-6)) << "toEulerAnglesXZ(" << GetParam().first << ") = " << result; }
const std::pair<osg::Quat, osg::Vec3f> eulerAnglesXZQuat[] = { { osg::Quat(1, 0, 0, 0), osg::Vec3f(0, 0, osg::PIf), }, { osg::Quat(0, 1, 0, 0), osg::Vec3f(0, 0, 0), }, { osg::Quat(0, 0, 1, 0), osg::Vec3f(0, 0, osg::PIf), }, { osg::Quat(0, 0, 0, 1), osg::Vec3f(0, 0, 0), }, { osg::Quat(-0.5, -0.5, -0.5, -0.5), osg::Vec3f(-osg::PI_2f, 0, 0), }, { osg::Quat(0.5, -0.5, -0.5, -0.5), osg::Vec3f(0, 0, -osg::PI_2f), }, { osg::Quat(0.5, 0.5, -0.5, -0.5), osg::Vec3f(osg::PI_2f, 0, 0), }, { osg::Quat(0.5, 0.5, 0.5, -0.5), osg::Vec3f(0, 0, osg::PI_2f), }, { osg::Quat(0.5, 0.5, 0.5, 0.5), osg::Vec3f(-osg::PI_2f, 0, 0), }, { // normalized osg::Quat(0.1, 0.2, 0.3, 0.4) osg::Quat(0.18257418583505536, 0.36514837167011072, 0.54772255750516607, 0.73029674334022143), osg::Vec3f(-0.72972762584686279296875f, 0, -1.10714876651763916015625f), }, { osg::Quat(-0.18257418583505536, 0.36514837167011072, 0.54772255750516607, 0.73029674334022143), osg::Vec3f(-0.13373161852359771728515625f, 0, -1.2277724742889404296875f), }, { osg::Quat(0.18257418583505536, -0.36514837167011072, 0.54772255750516607, 0.73029674334022143), osg::Vec3f(0.13373161852359771728515625f, 0, -1.2277724742889404296875f), }, { osg::Quat(0.18257418583505536, 0.36514837167011072, -0.54772255750516607, 0.73029674334022143), osg::Vec3f(0.13373161852359771728515625f, 0, 1.2277724742889404296875f), }, { osg::Quat(0.18257418583505536, 0.36514837167011072, 0.54772255750516607, -0.73029674334022143), osg::Vec3f(-0.13373161852359771728515625, 0, 1.2277724742889404296875f), }, { osg::Quat(0.246736, -0.662657, -0.662667, 0.246739), osg::Vec3f(-osg::PI_2f, 0, 2.5199801921844482421875f), }, };
INSTANTIATE_TEST_SUITE_P(FromQuat, MiscToEulerAnglesXZQuatTest, ValuesIn(eulerAnglesXZQuat));
struct MiscToEulerAnglesZYXQuatTest : TestWithParam<std::pair<osg::Quat, osg::Vec3f>> { };
TEST_P(MiscToEulerAnglesZYXQuatTest, shouldReturnValueCloseTo) { const osg::Vec3f result = toEulerAnglesZYX(GetParam().first); EXPECT_THAT(result, Vec3fEq(GetParam().second, std::numeric_limits<float>::epsilon())) << "toEulerAnglesZYX(" << GetParam().first << ") = " << result; }
const std::pair<osg::Quat, osg::Vec3f> eulerAnglesZYXQuat[] = { { osg::Quat(1, 0, 0, 0), osg::Vec3f(osg::PIf, 0, 0), }, { osg::Quat(0, 1, 0, 0), osg::Vec3f(osg::PIf, 0, osg::PIf), }, { osg::Quat(0, 0, 1, 0), osg::Vec3f(0, 0, osg::PIf), }, { osg::Quat(0, 0, 0, 1), osg::Vec3f(0, 0, 0), }, { osg::Quat(-0.5, -0.5, -0.5, -0.5), osg::Vec3f(0, -osg::PI_2f, -osg::PI_2f), }, { osg::Quat(0.5, -0.5, -0.5, -0.5), osg::Vec3f(osg::PI_2f, 0, -osg::PI_2f), }, { osg::Quat(0.5, 0.5, -0.5, -0.5), osg::Vec3f(0, osg::PI_2f, -osg::PI_2f), }, { osg::Quat(0.5, 0.5, 0.5, -0.5), osg::Vec3f(osg::PI_2f, 0, osg::PI_2f), }, { osg::Quat(0.5, 0.5, 0.5, 0.5), osg::Vec3f(0, -osg::PI_2f, -osg::PI_2f), }, { // normalized osg::Quat(0.1, 0.2, 0.3, 0.4) osg::Quat(0.18257418583505536, 0.36514837167011072, 0.54772255750516607, 0.73029674334022143), osg::Vec3f(0.1973955929279327392578125f, -0.8232119083404541015625f, -1.37340080738067626953125f), }, { osg::Quat(-0.18257418583505536, 0.36514837167011072, 0.54772255750516607, 0.73029674334022143), osg::Vec3f(0.78539812564849853515625f, -0.339836895465850830078125f, -1.428899288177490234375f), }, { osg::Quat(0.18257418583505536, -0.36514837167011072, 0.54772255750516607, 0.73029674334022143), osg::Vec3f(-0.78539812564849853515625f, 0.339836895465850830078125f, -1.428899288177490234375f), }, { osg::Quat(0.18257418583505536, 0.36514837167011072, -0.54772255750516607, 0.73029674334022143), osg::Vec3f(-0.78539812564849853515625f, -0.339836895465850830078125f, 1.428899288177490234375f), }, { osg::Quat(0.18257418583505536, 0.36514837167011072, 0.54772255750516607, -0.73029674334022143), osg::Vec3f(0.78539812564849853515625f, 0.339836895465850830078125f, 1.428899288177490234375f), }, { osg::Quat(0.246736, -0.662657, 0.246739, -0.662667), osg::Vec3f(0.06586204469203948974609375f, -osg::PI_2f, 0.64701664447784423828125f), }, };
INSTANTIATE_TEST_SUITE_P(FromQuat, MiscToEulerAnglesZYXQuatTest, ValuesIn(eulerAnglesZYXQuat)); }}