NazaraEngine/tests/UnitTests/Engine/Math/OrientedBoxTest.cpp

67 lines
1.9 KiB
C++

#include <Nazara/Math/OrientedBox.hpp>
#include <catch2/catch_approx.hpp>
#include <catch2/catch_test_macros.hpp>
SCENARIO("OrientedBox", "[MATH][ORIENTEDBOX]")
{
GIVEN("Two center and unit oriented boxes")
{
Nz::OrientedBoxf firstCenterAndUnit(Nz::Boxf(0.f, 0.f, 0.f, 1.f, 1.f, 1.f));
Nz::OrientedBoxf secondCenterAndUnit(Nz::OrientedBox<int>(Nz::Boxi(Nz::Vector3i::Zero(), Nz::Vector3i::Unit())));
firstCenterAndUnit.Update(Nz::Matrix4f::Identity());
secondCenterAndUnit.Update(Nz::Matrix4f::Identity());
WHEN("We compare them")
{
THEN("They are the same")
{
REQUIRE(firstCenterAndUnit == secondCenterAndUnit);
}
}
WHEN("We ask if they are valid")
{
THEN("They are valid")
{
CHECK(firstCenterAndUnit.IsValid());
CHECK(secondCenterAndUnit.IsValid());
}
}
WHEN("We multiply them")
{
THEN("Results are different between operator * and update(ScaleMatrix) but corners are the same")
{
firstCenterAndUnit.localBox.Scale(2.f);
firstCenterAndUnit.Update(Nz::Matrix4f::Identity());
secondCenterAndUnit.Update(Nz::Matrix4f::Scale(Nz::Vector3f::Unit() * 2.f));
REQUIRE(firstCenterAndUnit != secondCenterAndUnit);
for (unsigned int i = 0; i < Nz::BoxCornerCount; ++i)
{
REQUIRE(firstCenterAndUnit(i) == secondCenterAndUnit(i));
}
}
}
WHEN("We try to lerp")
{
THEN("Compilation should be fine")
{
Nz::OrientedBoxf nullOrientedBox = Nz::OrientedBoxf::Zero();
Nz::OrientedBoxf centerAndUnit = firstCenterAndUnit;
nullOrientedBox.Update(Nz::Matrix4f::Identity());
centerAndUnit.Update(Nz::Matrix4f::Identity());
Nz::OrientedBoxf result(Nz::Boxf(Nz::Vector3f::Zero(), Nz::Vector3f::Unit() * 0.5f));
result.Update(Nz::Matrix4f::Identity());
Nz::OrientedBoxf lerpObb = Nz::OrientedBoxf::Lerp(nullOrientedBox, centerAndUnit, 0.5f);
lerpObb.Update(Nz::Vector3f::Zero());
REQUIRE(lerpObb.ApproxEqual(result));
}
}
}
}