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Math/Angle: Add sine, cosine, tangent methods

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This commit is contained in:
Jérôme Leclercq
2018-09-05 15:14:31 +02:00
parent 3cc70daf3e
commit 9e0b61f30d
3 changed files with 125 additions and 6 deletions
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47
tests/Engine/Math/Angle.cpp
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@@ -29,6 +29,26 @@ SCENARIO("Angle", "[MATH][ANGLE]")
CHECK(angle.ToRadians() == expectedResult);
}
}
WHEN("We compute its sinus/cosinus separatly")
{
THEN("It should be equal to 1 and 0")
{
CHECK(angle.GetSin() == Approx(1.f).margin(0.0001f));
CHECK(angle.GetCos() == Approx(0.f).margin(0.0001f));
}
}
AND_WHEN("We compute it at the same time")
{
auto sincos = angle.GetSinCos();
THEN("It should also be equal to 1 and 0")
{
CHECK(sincos.first == Approx(1.f).margin(0.0001f));
CHECK(sincos.second == Approx(0.f).margin(0.0001f));
}
}
}
GIVEN("A degree angle of 480deg")
@@ -48,9 +68,9 @@ SCENARIO("Angle", "[MATH][ANGLE]")
}
}
GIVEN("A degree angle of -270deg")
GIVEN("A degree angle of -300deg")
{
Nz::DegreeAnglef angle(-270.f);
Nz::DegreeAnglef angle(-300.f);
WHEN("We normalize it")
{
@@ -58,7 +78,7 @@ SCENARIO("Angle", "[MATH][ANGLE]")
THEN("It should be equal to a normalized version of itself")
{
Nz::DegreeAnglef expectedResult(90.f);
Nz::DegreeAnglef expectedResult(60.f);
CHECK(angle == expectedResult);
}
@@ -91,7 +111,28 @@ SCENARIO("Angle", "[MATH][ANGLE]")
CHECK(angle.ToDegrees() == expectedResult);
}
}
WHEN("We compute its sinus/cosinus separatly")
{
THEN("It should be equal to 0 and -1")
{
CHECK(angle.GetSin() == Approx(0.f).margin(0.0001f));
CHECK(angle.GetCos() == Approx(-1.f).margin(0.0001f));
}
}
AND_WHEN("We compute it at the same time")
{
auto sincos = angle.GetSinCos();
THEN("It should also be equal to 0 and -1")
{
CHECK(sincos.first == Approx(0.f).margin(0.0001f));
CHECK(sincos.second == Approx(-1.f).margin(0.0001f));
}
}
}
GIVEN("A radian angle of 7pi")
{
Nz::RadianAnglef angle(float(7 * M_PI));