public void ShouldCorrectlyCalculateParallelVectorToNormal4()
{
// Arrage
var vector = new Vector2(0, 3);
var normalvector = new Vector2(-1, -1);
// Act
var parallelVector = Physic.GetParallelVectorToNormal(vector, normalvector);
// Assert
var expectedVector = Vector2.Normalize(new Vector2(-1, 1)) * ((vector.Length() * Math.Sqrt(2)) / 2);
Assert.AreEqual(parallelVector.X, expectedVector.X, 0.0001);
Assert.AreEqual(parallelVector.Y, expectedVector.Y, 0.0001);
}
public void ShouldCorrectlyCalculateParallelVectorToNormal3()
{
// Arrage
var vector = new Vector2(-1, -1);
var normalvector = new Vector2(1, 0);
// Act
var parallelVector = Physic.GetParallelVectorToNormal(vector, normalvector);
// Assert
var expectedVector = new Vector2(0, -1);
Assert.AreEqual(parallelVector.X, expectedVector.X, 0.0001);
Assert.AreEqual(parallelVector.Y, expectedVector.Y, 0.0001);
}