/// <summary>
/// Generate zone points using Poisson sampling
/// </summary>
/// <param name="count"></param>
/// <param name="landBounds"></param>
/// <param name="density"></param>
/// <returns></returns>
protected override Vector2[] GeneratePoints(int count, Bounds2i landBounds, Vector2 density)
{
var checkedPoints = new List <Vector2>();
var uncheckedPoints = new List <Vector2>();
//Generate start point
var zoneCenterX = Random.Range((float)landBounds.Min.X, landBounds.Max.X);
var zoneCenterY = Random.Range((float)landBounds.Min.Z, landBounds.Max.Z);
var startPoint = new Vector2(zoneCenterX, zoneCenterY);
uncheckedPoints.Add(startPoint);
//Generate point around first unchecked
while (uncheckedPoints.Any())
{
var processedPoint = uncheckedPoints.First();
uncheckedPoints.RemoveAt(0);
for (int i = 0; i < 10; i++)
{
var r = Random.Range(density.x + 0.1f, density.y);
var a = Random.Range(0, 2 * Mathf.PI);
var newPoint = processedPoint + new Vector2(r * Mathf.Cos(a), r * Mathf.Sin(a));
if (landBounds.Contains((Vector2i)newPoint))
{
if (checkedPoints.TrueForAll(p => Vector2.SqrMagnitude(p - newPoint) > density.x * density.x) &&
uncheckedPoints.TrueForAll(p => Vector2.SqrMagnitude(p - newPoint) > density.x * density.x))
{
uncheckedPoints.Add(newPoint);
}
}
}
checkedPoints.Add(processedPoint);
if (checkedPoints.Count >= count)
{
break;
}
}
return(checkedPoints.ToArray());
}
/// <summary>
/// Generate zone points using Poisson sampling
/// </summary>
/// <param name="count"></param>
/// <param name="landBounds"></param>
/// <param name="density"></param>
/// <returns></returns>
protected override Vector2[] GeneratePoints(int count, Bounds2i landBounds, Vector2 density)
{
var checkedPoints = new List<Vector2>();
var uncheckedPoints = new List<Vector2>();
//Generate start point
var zoneCenterX = Random.Range((float)landBounds.Min.X, landBounds.Max.X);
var zoneCenterY = Random.Range((float)landBounds.Min.Z, landBounds.Max.Z);
var startPoint = new Vector2(zoneCenterX, zoneCenterY);
uncheckedPoints.Add(startPoint);
//Generate point around first unchecked
while (uncheckedPoints.Any())
{
var processedPoint = uncheckedPoints.First();
uncheckedPoints.RemoveAt(0);
for (int i = 0; i < 10; i++)
{
var r = Random.Range(density.x + 0.1f, density.y);
var a = Random.Range(0, 2*Mathf.PI);
var newPoint = processedPoint + new Vector2(r * Mathf.Cos(a), r*Mathf.Sin(a));
if (landBounds.Contains((Vector2i) newPoint))
{
if(checkedPoints.TrueForAll(p => Vector2.SqrMagnitude(p - newPoint) > density.x * density.x)
&& uncheckedPoints.TrueForAll(p => Vector2.SqrMagnitude(p - newPoint) > density.x * density.x))
uncheckedPoints.Add(newPoint);
}
}
checkedPoints.Add(processedPoint);
if (checkedPoints.Count >= count)
break;
}
return checkedPoints.ToArray();
}