public void ParallelVectors_AreParallel()
{
Vector3 v1 = new Vector3(1, 2, 4);
Vector3 v2 = new Vector3(0.5f, 1, 2);
Assert.True(Projection.AreParrallel(v1, v2));
v1 = new Vector3(0, 2, 4);
v2 = new Vector3(0, -1, -2);
Assert.True(Projection.AreParrallel(v1, v2));
v1 = new Vector3(1, 2, 4);
v2 = new Vector3(1, 2, 8);
Assert.False(Projection.AreParrallel(v1, v2));
v1 = new Vector3(0, 1, 0);
v2 = new Vector3(1, 0, 1);
Assert.False(Projection.AreParrallel(v1, v2));
}
