NazaraEngine/tests/Nazara/Math/BoundingVolume.cpp

104 lines
2.6 KiB
C++

#include <Nazara/Math/BoundingVolume.hpp>
#include <catch.hpp>
SCENARIO("BoundingVolume", "[MATH][BOUNDINGVOLUME]")
{
GIVEN("With a null bounding volume and an infinite")
{
NzBoundingVolumef nullVolume = NzBoundingVolumef::Null();
NzBoundingVolumef infiniteVolume = NzBoundingVolumef::Infinite();
WHEN("We compare them")
{
THEN("They should be different")
{
REQUIRE(nullVolume != infiniteVolume);
}
}
WHEN("We ask for the characteristic")
{
THEN("They should be respectively null and infinite")
{
CHECK(nullVolume.IsNull());
CHECK(infiniteVolume.IsInfinite());
}
}
WHEN("If we multiply them")
{
THEN("They should still be different")
{
nullVolume *= 5.f;
infiniteVolume = infiniteVolume * 0.5f;
REQUIRE(nullVolume != infiniteVolume);
AND_WHEN("We ask for the characteristic (infinite and null)")
{
THEN("They should still be respectively null and infinite")
{
CHECK(nullVolume.IsNull());
CHECK(infiniteVolume.IsInfinite());
}
}
}
}
WHEN("We compare two null or two infinite")
{
THEN("Everything should be ok")
{
REQUIRE(NzBoundingVolumef::Null() == NzBoundingVolumef::Null());
REQUIRE(NzBoundingVolumef::Infinite() == NzBoundingVolumef::Infinite());
}
}
}
GIVEN("Two same bounding volume with different constructor")
{
NzBoundingVolumef firstCenterAndUnit(0.f, 0.f, 0.f, 1.f, 1.f, 1.f);
NzBoundingVolumef secondCenterAndUnit(NzVector3f::Zero(), NzVector3f::Unit());
firstCenterAndUnit.Update(NzMatrix4f::Identity());
secondCenterAndUnit.Update(NzMatrix4f::Identity());
WHEN("We compare them")
{
THEN("Then the should be equal")
{
REQUIRE(firstCenterAndUnit == secondCenterAndUnit);
}
}
WHEN("We ask for the characteristic")
{
THEN("They should be finite")
{
CHECK(firstCenterAndUnit.IsFinite());
CHECK(secondCenterAndUnit.IsFinite());
}
}
WHEN("We use a constructor of conversion")
{
THEN("There's no problem")
{
NzBoundingVolume<int> intVolumeCenterAndUnit(NzBoxi(NzVector3i::Zero(), NzVector3i::Unit()));
NzBoundingVolumef thirdCenterAndUnit(intVolumeCenterAndUnit);
REQUIRE(thirdCenterAndUnit == secondCenterAndUnit);
}
}
WHEN("We make one twice bigger with a matrix")
{
firstCenterAndUnit.Update(NzMatrix4f::Scale(NzVector3f::Unit() * 2.f));
THEN("The local box should be the same but the aabb different")
{
REQUIRE(firstCenterAndUnit.obb.localBox == secondCenterAndUnit.obb.localBox);
REQUIRE(firstCenterAndUnit.aabb != secondCenterAndUnit.aabb);
}
}
}
}