public void ShouldNormalizeVector()
{
PVector aVector = new PVector(3, 4, 5);
float originalMagnitude = aVector.Mag();
PVector normalizedVector = aVector.Normalize();
Assert.Same(normalizedVector, aVector);
Assert.NotEqual(originalMagnitude, aVector.Mag());
Assert.Equal(1f, aVector.Mag());
}
public void ShouldReturnNormalizedVectorWithoutChangingActrualVector()
{
PVector vectorA = new PVector(3, 4, 5);
PVector vectorACopy = vectorA.Copy();
float originalMagnitude = vectorA.Mag();
PVector targetVector = new PVector(5, 5, 5);
PVector normalizedVector = vectorA.Normalize(targetVector);
//Vector A should not change
Assert.Equal(originalMagnitude, vectorA.Mag());
Assert.Equal(vectorACopy.X, vectorA.X);
Assert.Equal(vectorACopy.Y, vectorA.Y);
Assert.Equal(vectorACopy.Z, vectorA.Z);
Assert.Same(normalizedVector, targetVector);
Assert.NotEqual(1f, targetVector.Mag());
}
