NazaraEngine/tests/Nazara/Math/Vector4.cpp

44 lines
902 B
C++

#include <Nazara/Math/Vector4.hpp>
#include <Catch/catch.hpp>
#include <Nazara/Math/Vector3.hpp>
SCENARIO("Vector4", "[MATH][VECTOR4]")
{
GIVEN("Two same unit vector")
{
NzVector4f firstUnit(1.f, 1.f, 1.f);
NzVector4f secondUnit(NzVector4i(1, 1, 1, 1));
WHEN("We compare them")
{
THEN("They are the same")
{
REQUIRE(firstUnit == secondUnit);
}
}
WHEN("We test the dot product")
{
NzVector4f tmp(-1.f, 0.f, 1.f, 0.f);
THEN("These results are expected")
{
REQUIRE(firstUnit.AbsDotProduct(tmp) == Approx(2.f));
REQUIRE(firstUnit.DotProduct(tmp) == Approx(0.f));
}
}
WHEN("We normalize")
{
NzVector4f tmp(1.f, 1.f, 1.f, 3.f);
THEN("These results are expected")
{
REQUIRE(firstUnit.Normalize() == NzVector4f(1.f, NzVector3f::Unit()));
REQUIRE(tmp.Normalize() == NzVector4f(NzVector3f::Unit() * (1.f / 3.f), 1.f));
}
}
}
}