public Cartesian2DVector Subtract(Cartesian2DVector vector1, Cartesian2DVector vector2)
{
var vec = new Cartesian2DVector();
vec.X = vector1.X - vector2.X;
vec.Y = vector1.Y - vector2.Y;
return vec;
}
public Cartesian2DVector Add(Cartesian2DVector vector1, Cartesian2DVector vector2)
{
var vec = new Cartesian2DVector();
vec.X = vector1.X + vector2.X;
vec.Y = vector1.Y + vector2.Y;
return vec;
}
public Cartesian2DVector Scale(Cartesian2DVector vector, int factor)
{
var vec = new Cartesian2DVector();
vec.X = vector.X * factor;
vec.Y = vector.Y * factor;
return vec;
}
public void TestScaleVector()
{
var vector = new Cartesian2DVector
{
X = 5,
Y = 3
};
var calc = new VectorCalculator();
int factor = 5;
var result = calc.Scale(vector, factor);
Assert.That(result.X, Is.EqualTo(25));
Assert.That(result.Y, Is.EqualTo(15));
}
public void TestSubtractTwoVectors()
{
Cartesian2DVector vector1 = new Cartesian2DVector
{
X = 5,
Y = 10
};
Cartesian2DVector vector2 = new Cartesian2DVector
{
X = 3,
Y = 14
};
var calc = new VectorCalculator();
Cartesian2DVector result = calc.Subtract(vector1, vector2);
Assert.That(result.X, Is.EqualTo(2));
Assert.That(result.Y, Is.EqualTo(-4));
}
public void TestDotProduct()
{
var vector1 = new Cartesian2DVector
{
X = 5,
Y = 7
};
var vector2 = new Cartesian2DVector
{
X = 3,
Y = 2
};
var calc = new VectorCalculator();
int result = calc.DotProduct(vector1, vector2);
Assert.That(result, Is.EqualTo(29));
}
public void TestAddTwoVectors()
{
Cartesian2DVector vector1 = new Cartesian2DVector
{
X = 5,
Y = 10
};
Cartesian2DVector vector2 = new Cartesian2DVector
{
X = 3,
Y = 14
};
VectorCalculator calc = new VectorCalculator();
Cartesian2DVector result = calc.Add(vector1, vector2);
Assert.That(result.X, Is.EqualTo(8));
Assert.That(result.Y, Is.EqualTo(24));
}
public double Magnitude(Cartesian2DVector vector)
{
return Math.Sqrt(Math.Pow(vector.X, 2) + Math.Pow(vector.Y, 2));
}
public int DotProduct(Cartesian2DVector vector1, Cartesian2DVector vector2)
{
return (vector1.X * vector2.X) + (vector1.Y * vector2.Y);
}
public void TestVectorMagnitude()
{
var vector = new Cartesian2DVector
{
X = 3,
Y = 5
};
var calc = new VectorCalculator();
double result = calc.Magnitude(vector);
Assert.That(result, Is.EqualTo(Math.Sqrt(vector.X * vector.X + vector.Y * vector.Y)));
}
