55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
#include <Nazara/Math/Vector4.hpp>
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#include <catch2/catch_approx.hpp>
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#include <catch2/catch_test_macros.hpp>
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#include <Nazara/Math/Vector3.hpp>
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SCENARIO("Vector4", "[MATH][VECTOR4]")
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{
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GIVEN("Two same unit vector")
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{
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Nz::Vector4f firstUnit(1.f, 1.f, 1.f);
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Nz::Vector4f secondUnit(Nz::Vector4i(1, 1, 1, 1));
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WHEN("We compare them")
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{
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THEN("They are the same")
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{
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REQUIRE(firstUnit == secondUnit);
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}
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}
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WHEN("We test the dot product")
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{
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Nz::Vector4f tmp(-1.f, 0.f, 1.f, 0.f);
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THEN("These results are expected")
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{
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REQUIRE(firstUnit.AbsDotProduct(tmp) == Catch::Approx(2.f));
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REQUIRE(firstUnit.DotProduct(tmp) == Catch::Approx(0.f));
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}
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}
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WHEN("We normalize")
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{
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Nz::Vector4f tmp(1.f, 1.f, 1.f, 3.f);
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THEN("These results are expected")
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{
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REQUIRE(firstUnit.Normalize() == Nz::Vector4f(1.f, Nz::Vector3f::Unit()));
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REQUIRE(tmp.Normalize() == Nz::Vector4f(Nz::Vector3f::Unit() * (1.f / 3.f), 1.f));
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}
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}
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WHEN("We try to lerp")
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{
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THEN("Compilation should be fine")
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{
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Nz::Vector4f zero = Nz::Vector4f::Zero();
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Nz::Vector4f unitX = Nz::Vector4f::UnitX();
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REQUIRE(Nz::Vector4f::Lerp(zero, unitX, 0.5f) == Nz::Vector4f(Nz::Vector3f::UnitX() * 0.5f, 1.f));
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}
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}
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}
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}
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