private XVector3 GetPoint(Directions dir) => unity.GetClosestPoint(_Centre, dir);
public void BoxIdentifierBoundsTrapezoids()
{
float[] centre = { 0, 100, 0 };
float[] v0 = RotateY(60, new float[] { 20, 100, 60 });
float[] v1 = RotateY(60, new float[] { 20, 100, -20 });
float[] v2 = RotateY(60, new float[] { -20, 100, -20 });
float[] v3 = RotateY(60, new float[] { -20, 100, 30 });
float[] h = { 0, 300, 0 };
float[] l = { 0, 0, 0 };
unity.GetCentre().Returns(centre);
unity.GetClosestPoint(Arg.Any <float[]>(), Directions.Up).Returns(h);
unity.GetClosestPoint(Arg.Any <float[]>(), Directions.Down).Returns(l);
unity.GetClosestPoint(Arg.Any <float[]>(), Directions.North).Returns(v3);
unity.GetClosestPoint(Arg.Any <float[]>(), Directions.South).Returns(v1);
unity.GetClosestPoint(Arg.Any <float[]>(), Directions.East).Returns(v0);
unity.GetClosestPoint(Arg.Any <float[]>(), Directions.West).Returns(v2);
var id = new BoxIdentifier(unity);
unity.Received(1).GetCentre();
unity.Received(6).GetClosestPoint(Arg.Any <float[]>(), Arg.Any <Directions>());
v1[1] = 0;
v2[1] = 0;
Assert.True(id.Start == v1 || id.Start == v2);
Assert.True(Math.Abs(id.Length - 80) < 1 && Math.Abs(id.Width - 40) < 1 || Math.Abs(id.Length - 40) < 1 &&
Math.Abs(id.Width - 80) < 1);
}