public void Vector3dMagnitudeWorks()
{
var v = new Vector3d(2, 2, 2);
double mag = v.Magnitude();
Assert.Equal(3.46, Math.Round(mag, 2));
}
public void Vector3dNormalizedWorks()
{
var v = new Vector3d(12, 23, 34);
var v2 = v.Normalized();
Assert.NotEqual(v, v2);
Assert.True(v.Equivalent(new Vector3d(12, 23, 34)));
Assert.Equal(1, v.Normalized().Magnitude());
}
public void Vector3dCloneWorks()
{
var v = new Vector3d(1, 2, 3);
var v2 = v.Clone();
v2.X = 3;
Assert.NotEqual(v, v2);
Assert.True(v.Equivalent(new Vector3d(1, 2, 3)));
}
public void Vector3dApplyWorks()
{
var v = new Vector3d(1.11, 2.22, 3.33);
v.Apply(Math.Round);
Assert.True(v.Equivalent(new Vector3d(1, 2, 3)));
v.Apply(val => { return val + 1; });
Assert.True(v.Equivalent(new Vector3d(2, 3, 4)));
}
public void Vector3dTriggerWorks()
{
var v = new Vector3d(2, 3, 4);
double total = 0;
Action<double> sum = (val) =>
{
total += val;
};
v.Trigger(sum);
Assert.Equal(9, total);
}
public void Vector3dSignWorks()
{
var v = new Vector3d(3, -4, -5);
Assert.True(v.Sign().Equivalent(new Vector3d(1, -1, -1)));
}
public void Vector3dDividesCorrectly()
{
var v = new Vector3d(2, 4, 8);
Assert.False(v == v / 1);
Assert.False(v == v.Divide(1));
Assert.True(v.Equivalent(v / 1));
Assert.True(v.Equivalent(v.Divide(1)));
Assert.True(new Vector3d(.5, .25, .125).Equivalent(1 / v));
Assert.True(new Vector3d(.5, .25, .125).Equivalent(v.DivideFrom(1)));
Assert.True(new Vector3d(20, 40, 80).Equivalent(v / .1));
Assert.True(new Vector3d(20, 40, 80).Equivalent(v.Divide(.1)));
}
public Vector3d Subtract(Vector3d v1)
{
return this - v1;
}
public void Vector3dLengthWorks()
{
var v = new Vector3d(2, 2, 2);
double length = v.Length();
Assert.Equal(3.46, Math.Round(length, 2));
}
public void Vector3dSubtractsCorrectly()
{
var v = new Vector3d(2, 3, 4);
Assert.False(v == v - 0);
Assert.False(v == v.Subtract(0));
Assert.False(-v == v.SubtractFrom(0));
Assert.True(v.Equivalent(v - 0));
Assert.True(v.Equivalent(v.Subtract(0)));
Assert.True((-v).Equivalent(0 - v));
Assert.True((-v).Equivalent(v.SubtractFrom(0)));
Assert.True((v - v).Equivalent(Vector3d.Zero));
Assert.True((v.Subtract(v)).Equivalent(Vector3d.Zero));
Assert.True((v - .1).Equivalent(new Vector3d(1.9, 2.9, 3.9)));
Assert.True((v.Subtract(.1)).Equivalent(new Vector3d(1.9, 2.9, 3.9)));
Assert.True((.1 - v).Equivalent(new Vector3d(-1.9, -2.9, -3.9)));
Assert.True((v.SubtractFrom(.1)).Equivalent(new Vector3d(-1.9, -2.9, -3.9)));
}
public void Vector3dAddsCorrectly()
{
var v = new Vector3d(2, 3, 4);
Assert.False(v == v + 0);
Assert.False(v == v.Add(0));
Assert.True(v.Equivalent(v + 0));
Assert.True(v.Equivalent(v.Add(0)));
Assert.True((v + v).Equivalent(new Vector3d(4, 6, 8)));
Assert.True(v.Add(v).Equivalent(new Vector3d(4, 6, 8)));
Assert.True((v + .1).Equivalent(new Vector3d(2.1, 3.1, 4.1)));
Assert.True(v.Add(.1).Equivalent(new Vector3d(2.1, 3.1, 4.1)));
}
/// <summary>
/// Calculates the Dot product of the current vector and the one provided
/// </summary>
/// <param name="v1">Vector to dot product with</param>
/// <returns>Dot product</returns>
public double Dot(Vector3d v1)
{
return v1.X * X + v1.Y * Y + v1.Z * Z;
}
public bool Equivalent(Vector3d v1)
{
return v1.X == X && v1.Y == Y && v1.Z == Z;
}
public Vector3d Divide(Vector3d v1)
{
return this / v1;
}
public Vector3d Multiply(Vector3d v1)
{
return this * v1;
}
public void Vector3dAbsWorks()
{
var v = new Vector3d(3, -4, -5);
Assert.True(v.Abs().Equivalent(new Vector3d(3, 4, 5)));
}
public void Vector3dMultipliesCorrectly()
{
var v = new Vector3d(2, 3, 4);
Assert.False(Vector3d.Zero == v * 0);
Assert.False(Vector3d.Zero == v.Multiply(0));
Assert.True(Vector3d.Zero.Equivalent(v * 0));
Assert.True(Vector3d.Zero.Equivalent(v.Multiply(0)));
Assert.True((v * v).Equivalent(new Vector3d(4, 9, 16)));
Assert.True(v.Multiply(v).Equivalent(new Vector3d(4, 9, 16)));
Assert.True((v * .5).Equivalent(new Vector3d(1, 1.5, 2)));
Assert.True(v.Multiply(.5).Equivalent(new Vector3d(1, 1.5, 2)));
}
public void Vector3dDotProductWorks()
{
var v = new Vector3d(3, 4, 5);
var v2 = new Vector3d(8, 7, 6);
Assert.Equal(v.Dot(v2), 82);
}
public Vector3d Add(Vector3d v1)
{
return this + v1;
}