public IEnumerator InvertChunksCoroutine()
{
foreach (var chunk in childs)
{
var GD = chunk.Value.GridData;
foreach (var d in MultiDimenIterator.Range(0, _size - 1, 0, _size - 1, 0, _size - 1, 1, 1, 1))
{
GD[d.i, d.j, d.k] = 1 - GD[d.i, d.j, d.k];
}
}
yield break;
}
public static Vector3 WeightedAverage(IList <Vector3> values, IList <float> weights)
{
if (values == null || weights == null || values.Count <= 0 || values.Count != weights.Count)
{
return(Vector3.zero);
}
var x = MultiDimenIterator.Range(0, values.Count - 1, 1).WeightedAverage(i => values[i].x, i => weights[i]);
var y = MultiDimenIterator.Range(0, values.Count - 1, 1).WeightedAverage(i => values[i].y, i => weights[i]);
var z = MultiDimenIterator.Range(0, values.Count - 1, 1).WeightedAverage(i => values[i].z, i => weights[i]);
return(new Vector3(x, y, z));
}
public void Init(int Size, float defaultValue = 0)
{
var f = new float[Size, Size, Size];
if (defaultValue != 0)
{
foreach (var d in MultiDimenIterator.Range(0, f.GetLength(0) - 1, 0, f.GetLength(1) - 1, 0, f.GetLength(2) - 1, 1, 1, 1))
{
f[d.i, d.j, d.k] = defaultValue;
}
}
Init(Size, f);
}
public IEnumerator ExplodeBrushCoroutine(float x, float y, float z, float size, float val = 1, bool noised = false, System.Action <float, Vector3> countCallback = null)
{
Vector3 center, pointPos;
float count = 0, newValue = 0, origValue = 0, difference;
center = new Vector3(x, y, z);
var positions = new List <Vector3>();
var weights = new List <float>();
foreach (var d in MultiDimenIterator.Range(
Mathf.FloorToInt(x - size),
Mathf.CeilToInt(x + size),
Mathf.FloorToInt(y - size),
Mathf.CeilToInt(y + size),
Mathf.FloorToInt(z - size),
Mathf.CeilToInt(z + size), 1, 1, 1))
{
pointPos = d.ToVector3();
origValue = this[d.i, d.j, d.k];
newValue = Mathf.Lerp(
origValue, noised ? Mathf.Lerp(origValue, val, Mathf.PerlinNoise(d.i, d.j)) : val,
Mathf.Sqrt(Mathf.Clamp01((size - Vector3.Distance(center, pointPos)) / size)));
this[d.i, d.j, d.k] = newValue;
if (countCallback == null)
{
continue;
}
difference = newValue - origValue;
positions.Add(pointPos);
weights.Add(difference);
count += difference;
}
if (countCallback != null)
{
countCallback(count, transform.TransformPoint(HelperFunctions.WeightedAverage(positions, weights)));
}
yield break;
}