public static Int3 AddInvertTileOffset3(Int3 start, Int3 h2offset)
{
return(start.Add(InvertTileOffset3(start, h2offset)));
}
public void CheckNeighbor(Int3 coord)
{
if (ShouldBlendNeighbor(coord, coord.Add(-1, 0, 0)))
{
var heightMapCoord = GetHeightMapCoord(coord);
var dimension = heightMapCoord.z;
var old_heights = data.GetHeights(heightMapCoord.x - dimension / 2, heightMapCoord.y, dimension, dimension);
var heights = new float[dimension, dimension];
float heightBase = coord.y * cellSize / data.size.y;
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++)
{
float t_y = (float)j / dimension;
float h0_y = Mathf.Lerp(old_heights[0, i], old_heights[dimension - 1, i], t_y);
heights[j, i] = Mathf.Min(old_heights[j, i], (h0_y - heightBase) * falloff.Evaluate(t_y) + heightBase);
}
}
data.SetHeights(heightMapCoord.x - dimension / 2, heightMapCoord.y, heights);
}
if (ShouldBlendNeighbor(coord, coord.Add(1, 0, 0)))
{
var heightMapCoord = GetHeightMapCoord(coord);
var dimension = heightMapCoord.z;
var old_heights = data.GetHeights(heightMapCoord.x + dimension / 2, heightMapCoord.y, dimension, dimension);
var heights = new float[dimension, dimension];
float heightBase = coord.y * cellSize / data.size.y;
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++)
{
float t_y = (float)j / dimension;
float h0_y = Mathf.Lerp(old_heights[0, i], old_heights[dimension - 1, i], t_y);
heights[j, i] = Mathf.Min(old_heights[j, i], (h0_y - heightBase) * falloff.Evaluate(t_y) + heightBase);
}
}
data.SetHeights(heightMapCoord.x + dimension / 2, heightMapCoord.y, heights);
}
if (ShouldBlendNeighbor(coord, coord.Add(0, 0, -1)))
{
var heightMapCoord = GetHeightMapCoord(coord);
var dimension = heightMapCoord.z;
var old_heights = data.GetHeights(heightMapCoord.x, heightMapCoord.y - dimension / 2, dimension, dimension);
var heights = new float[dimension, dimension];
float heightBase = coord.y * cellSize / data.size.y;
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++)
{
float t_x = (float)i / dimension;
float h0_x = Mathf.Lerp(old_heights[j, 0], old_heights[j, dimension - 1], t_x);
heights[j, i] = Mathf.Min(old_heights[j, i], (h0_x - heightBase) * falloff.Evaluate(t_x) + heightBase);
}
}
data.SetHeights(heightMapCoord.x, heightMapCoord.y - dimension / 2, heights);
}
if (ShouldBlendNeighbor(coord, coord.Add(0, 0, 1)))
{
var heightMapCoord = GetHeightMapCoord(coord);
var dimension = heightMapCoord.z;
var old_heights = data.GetHeights(heightMapCoord.x, heightMapCoord.y + dimension / 2, dimension, dimension);
var heights = new float[dimension, dimension];
float heightBase = coord.y * cellSize / data.size.y;
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++)
{
float t_x = (float)i / dimension;
float h0_x = Mathf.Lerp(old_heights[j, 0], old_heights[j, dimension - 1], t_x);
heights[j, i] = Mathf.Min(old_heights[j, i], (h0_x - heightBase) * falloff.Evaluate(t_x) + heightBase);
}
}
data.SetHeights(heightMapCoord.x, heightMapCoord.y + dimension / 2, heights);
}
// diagonal
if (ShouldBlendNeighbor(coord, coord.Add(-1, 0, 0)) &&
ShouldBlendNeighbor(coord, coord.Add(0, 0, -1)))
{
var heightMapCoord = GetHeightMapCoord(coord);
var dimension = heightMapCoord.z;
var old_heights = data.GetHeights(heightMapCoord.x - dimension / 2, heightMapCoord.y - dimension / 2, dimension, dimension);
var heights = new float[dimension, dimension];
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++)
{
heights[j, i] = Mathf.Min(coord.y * cellSize / data.size.y, old_heights[j, i]);
}
}
data.SetHeights(heightMapCoord.x - dimension / 2, heightMapCoord.y - dimension / 2, heights);
}
if (ShouldBlendNeighbor(coord, coord.Add(-1, 0, 0)) &&
ShouldBlendNeighbor(coord, coord.Add(0, 0, 1)))
{
var heightMapCoord = GetHeightMapCoord(coord);
var dimension = heightMapCoord.z;
var old_heights = data.GetHeights(heightMapCoord.x - dimension / 2, heightMapCoord.y + dimension / 2, dimension, dimension);
var heights = new float[dimension, dimension];
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++)
{
heights[j, i] = Mathf.Min(coord.y * cellSize / data.size.y, old_heights[j, i]);
}
}
data.SetHeights(heightMapCoord.x - dimension / 2, heightMapCoord.y + dimension / 2, heights);
}
if (ShouldBlendNeighbor(coord, coord.Add(1, 0, 0)) &&
ShouldBlendNeighbor(coord, coord.Add(0, 0, -1)))
{
var heightMapCoord = GetHeightMapCoord(coord);
var dimension = heightMapCoord.z;
var old_heights = data.GetHeights(heightMapCoord.x + dimension / 2, heightMapCoord.y - dimension / 2, dimension, dimension);
var heights = new float[dimension, dimension];
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++)
{
heights[j, i] = Mathf.Min(coord.y * cellSize / data.size.y, old_heights[j, i]);
}
}
data.SetHeights(heightMapCoord.x + dimension / 2, heightMapCoord.y - dimension / 2, heights);
}
if (ShouldBlendNeighbor(coord, coord.Add(1, 0, 0)) &&
ShouldBlendNeighbor(coord, coord.Add(0, 0, 1)))
{
var heightMapCoord = GetHeightMapCoord(coord);
var dimension = heightMapCoord.z;
var old_heights = data.GetHeights(heightMapCoord.x + dimension / 2, heightMapCoord.y + dimension / 2, dimension, dimension);
var heights = new float[dimension, dimension];
for (int i = 0; i < dimension; i++)
{
for (int j = 0; j < dimension; j++)
{
heights[j, i] = Mathf.Min(coord.y * cellSize / data.size.y, old_heights[j, i]);
}
}
data.SetHeights(heightMapCoord.x + dimension / 2, heightMapCoord.y + dimension / 2, heights);
}
}