public void CrossTest()
{
var vector31 = new Vector3(1, 2, 3);
var vector32 = new Vector3(3, 2, 1);
Assert.AreEqual(new Vector3(-4, 8, -4), vector31.Cross(vector32));
}
public void DotTest()
{
var vector31 = new Vector3(1, 2, 3);
var vector32 = new Vector3(3, 2, 1);
Assert.AreEqual(10, vector31.Dot(vector32));
}
public void MagnitudeTest()
{
var vector = new Vector(-3, 4);
Assert.AreEqual(5, vector.GetMagnitude());
var vector3 = new Vector3(3, 4, 12);
Assert.AreEqual(13, vector3.GetMagnitude());
}
public void EqualVectorsTest()
{
var vector21 = new Vector2(1, 2);
var vector22 = new Vector2(1, 2);
Assert.AreEqual(vector21, vector22);
vector21 = new Vector2(1, 3);
vector22 = new Vector2(1, 2);
Assert.AreNotEqual(vector21, vector22);
var vector31 = new Vector3(1, 2, 3);
var vector32 = new Vector3(1, 2, 3);
Assert.AreEqual(vector31, vector32);
vector31 = new Vector3(1, 3, 4);
vector32 = new Vector3(1, 2, 5);
Assert.AreNotEqual(vector31, vector32);
}
public void TransformCoordinateTest()
{
var vector3 = new Vector3(1, 1, 1);
var m = new[]
{
-1.689f, 0.458f, -0.332f, -0.329f,
-0.568f, 0.283f, 0.953f, 0.943f,
-0.394f, -2.372f, 0.05f, 0.049f,
0, 0, -10.111f, -10
};
var matrix1 = new Matrix4X4(m);
var result = vector3.TransformCoordinate(matrix1);
var sharpDxResult = SharpDX.Vector3.TransformCoordinate(new SharpDX.Vector3(1, 1, 1), new Matrix(
-1.689f, 0.458f, -0.332f, -0.329f,
-0.568f, 0.283f, 0.953f, 0.943f,
-0.394f, -2.372f, 0.05f, 0.049f,
0, 0, -10.111f, -10));
Debug.WriteLine(result);
Debug.WriteLine(sharpDxResult);
CompareDxVectorAndNEngineVector(sharpDxResult, result);
}
public void VectorToStringTest()
{
var vector3 = new Vector3(0.21f, 12343.3333f, 1.4444444f);
Assert.AreEqual("(0.21, 12343.33, 1.44)", vector3.ToString());
}
private void CompareDxVectorAndNEngineVector(SharpDX.Vector3 dxV, Vector3 v)
{
Assert.AreEqual(true, System.Math.Abs(dxV.X - v.X) < 0.00001f);
Assert.AreEqual(true, System.Math.Abs(dxV.Y - v.Y) < 0.00001f);
Assert.AreEqual(true, System.Math.Abs(dxV.Z - v.Z) < 0.00001f);
}
