public void When_FindAngleToVectors_Expect_InsideValidInterval()
{
Vect3 baseVector = new Vect3(1, 0, 0);
Vect3 movingVector = new Vect3(1, 0, 0);
for (int newX = -10; newX <= 10; newX++)
{
movingVector.x = newX;
for (int newY = -10; newY <= 10; newY++)
{
movingVector.y = newY;
for (int newZ = -10; newZ <= 10; newZ++)
{
movingVector.z = newZ;
if (movingVector.Equals(Vect3.Zero))
{
continue;
}
Assert.LessOrEqual(movingVector.AngleTo(baseVector), 180,
"Invalid angle found for {0} and {1}: {2}", movingVector, baseVector, movingVector.AngleTo(baseVector));
Assert.GreaterOrEqual(movingVector.AngleTo(baseVector), 0,
"Invalid angle found for {0} and {1}: {2}", movingVector, baseVector, movingVector.AngleTo(baseVector));
Assert.LessOrEqual(baseVector.AngleTo(movingVector), 180,
"Invalid angle found for {0} and {1}: {2}", baseVector, movingVector, baseVector.AngleTo(movingVector));
Assert.GreaterOrEqual(baseVector.AngleTo(movingVector), 0,
"Invalid angle found for {0} and {1}: {2}", baseVector, movingVector, baseVector.AngleTo(movingVector));
Assert.That(Util.NearlyEqual(movingVector.AngleTo(baseVector), baseVector.AngleTo(movingVector)));
}
}
}
}
public void When_FindAngleBetween45Degrees_Expect_45()
{
Vect3 v = new Vect3(1, 1, 0);
Assert.That(Util.NearlyEqual(v.AngleTo(Vect3.Up), 45d));
}
public void When_FindAngleBetweenSameVector_Expect_Zero()
{
Vect3 v = new Vect3(5, 1, 2);
Assert.That(Util.NearlyEqual(v.AngleTo(v), 0));
}