public void PositionForCompetitor_StepForwardGivesExpectedLocations()
{
var config = new MatchConfig
{
InitialRange = 100,
StepForwardProportion = 0.5f,
MaximumLocationRandomisation = 0,
MinimumLocationRandomisation = 0
};
var steps = Enumerable.Range(-3, 3);
var results = steps.Select(p => config.PositionForCompetitor(1, 1, p));
var expectedXLocations = new float[]
{
config.InitialRange * 8,
config.InitialRange * 4,
config.InitialRange * 2,
config.InitialRange,
config.InitialRange / 2,
config.InitialRange / 4,
config.InitialRange / 8
};
var i = 0;
foreach (var position in results)
{
Assert.AreEqual(expectedXLocations[i], position.magnitude);
i++;
}
}
public void PositionForCompetitor_GiviesGoesAroundArc()
{
var config = new MatchConfig
{
InitialRange = 100,
StepForwardProportion = 0.5f,
MaximumLocationRandomisation = 0,
MinimumLocationRandomisation = 0
};
var numberOfShips = 10;
var positions = Enumerable.Range(0, numberOfShips * 2);
var results = positions.Select(p => config.PositionForCompetitor(p, numberOfShips, 0));
var expectedAngles = new float[]
{
0,
36,
72,
108,
144,
180,
216,
252,
288,
324,
0,
36,
72,
108,
144,
180,
216,
252,
288,
324
};
var tollerance = 0.001f;
var i = 0;
foreach (var position in results)
{
Assert.LessOrEqual(config.InitialRange - tollerance, position.magnitude);
Assert.GreaterOrEqual(config.InitialRange + tollerance, position.magnitude);
var expectedAngleRad = Mathf.Deg2Rad * expectedAngles[i];
var expectedX = Mathf.Cos(expectedAngleRad) * config.InitialRange;
var expectedZ = Mathf.Sin(expectedAngleRad) * config.InitialRange;
var expected = new Vector3(expectedX, expectedZ);
Debug.Log($"actual: {position}, expected: {expected}");
Assert.LessOrEqual(expectedX - tollerance, position.x);
Assert.GreaterOrEqual(expectedX + tollerance, position.x);
Assert.LessOrEqual(expectedZ - tollerance, position.z);
Assert.GreaterOrEqual(expectedZ + tollerance, position.z);
i++;
}
}
