List <IndexedWeight> GetDepositionWeights(int HeightMapSize, Vector2 Pos)
{
int top = Mathf.FloorToInt(Pos.x);
int left = Mathf.FloorToInt(Pos.y);
List <IndexedWeight> PointWeights = new List <IndexedWeight>();
float WeightSum = 0;
for (int i = top; i < top + 1; i++)
{
for (int n = left; n < left + 1; n++)
{
float dist = (new Vector2(i, n) - Pos).magnitude;
{
IndexedWeight IW = new IndexedWeight();
IW.Index = i * HeightMapSize + n;
IW.weight = 2.0f - dist;
WeightSum += IW.weight;
PointWeights.Add(IW);
}
}
}
for (int i = 0; i < PointWeights.Count; i++)
{
float Normalizedweight = PointWeights[i].weight / WeightSum;
IndexedWeight IW = new IndexedWeight();
IW.Index = PointWeights[i].Index;
IW.weight = Normalizedweight;
PointWeights[i] = IW;
}
return(PointWeights);
}
List <IndexedWeight> GetErosiondWeights(int HeightMapSize, Vector2 Pos, float P_eradius)
{
int top = Mathf.FloorToInt(Pos.x - (P_eradius - 1));
int left = Mathf.FloorToInt(Pos.y - (P_eradius - 1));
List <IndexedWeight> PointWeights = new List <IndexedWeight>();
float WeightSum = 0;
for (int i = top; i < top + P_eradius * 2; i++)
{
for (int n = left; n < left + P_eradius * 2; n++)
{
float dist = (new Vector2(i, n) - Pos).magnitude;
if (dist < P_eradius)
{
IndexedWeight IW = new IndexedWeight();
IW.Index = i * HeightMapSize + n;
IW.weight = P_eradius - dist;
WeightSum += IW.weight;
PointWeights.Add(IW);
}
}
}
for (int i = 0; i < PointWeights.Count; i++)
{
float Normalizedweight = PointWeights[i].weight / WeightSum;
IndexedWeight IW = new IndexedWeight();
IW.Index = PointWeights[i].Index;
IW.weight = Normalizedweight;
PointWeights[i] = IW;
}
return(PointWeights);
}
