private MapArray <int> GenerateLandMask(MapArray <int> bitmask)
{
var simplex = new Simplex2D(43);
int gbt_radius = (int)Mathf.Max(ChunkOrder, Mathf.Ceil(2.0f * Mathf.Log(1.0f + 1.00f * Radius) / Mathf.Log(7.0f))) - ChunkOrder + 1;
for (int i = 0; i < Utils.Pow(7, gbt_radius); i++)
{
for (int j = 0; j < ChunkSize; j++)
{
GBTHex hex = new GBTHex(i * ChunkSize + j);
Vector2 pos = hex.position;
if (GetLandMaskValue(pos, simplex) > Threshold)
{
bitmask[hex] |= 1;
foreach (GBTCorner corner in hex.GetCorners())
{
bitmask[corner] |= 1;
}
}
else
{
bitmask[hex] |= 2;
foreach (GBTCorner corner in hex.GetCorners())
{
bitmask[corner] |= 2;
}
}
}
}
return(bitmask);
}
private void TriangulateHex(GBTHex hex, Color[] colors)
{
if (colors == null)
{
return;
}
Vector2 center = hex.position;
var corners = hex.GetCorners();
for (int i = 0; i < corners.Count; i++)
{
int inext = (i + 1) % 6;
GBTCorner first = corners[i];
GBTCorner second = corners[inext];
CreateTriangle(center, colors[0], second.position, colors[inext + 1], first.position, colors[i + 1]);
}
}
private void DrawGrayscaleArray(MapArray <float> array, MapArray <int> bitmask, float minimum, float maximum)
{
int gbt_radius = (int)Mathf.Max(ChunkOrder, Mathf.Ceil(2.0f * Mathf.Log(1.0f + 1.00f * Radius) / Mathf.Log(7.0f))) - ChunkOrder + 1;
int count = 0;
var chunks = new List <ChunkData>();
for (int i = 0; i < Utils.Pow(7, gbt_radius); i++)
{
var chunk = new ChunkData(i, ChunkSize);
for (int j = 0; j < ChunkSize; j++)
{
var hex = new GBTHex(i * ChunkSize + j);
if ((bitmask[hex] & 1) > 0)
{
var colors = new Color[7];
var corners = hex.GetCorners();
float average = 0.0f;
for (int k = 0; k < 6; k++)
{
colors[1 + k] = GetGrayscale((array[corners[k]] - minimum) / (maximum - minimum));
average += array[corners[k]] / 6.0f;
}
colors[0] = GetGrayscale((average - minimum) / (maximum - minimum));
chunk.AddColors(colors);
}
else
{
chunk.AddColors(null);
}
}
chunks.Add(chunk);
}
Debug.Log(count);
m_DrawPolygonEvent.Invoke(chunks);
}
