private void AddNearCellVertices(int row, int col, HexXY cellCoords, MapCell cell)
{
MeshData mesh = selectCellMesh(cell);
int sharedIdx = -1;
for (int l = 0; l < vertsInStack.Count; l++)
{
if (vertsInStack[l].mesh == mesh)
{
sharedIdx = vertsInStack[l].vidx;
break;
}
}
int idx;
if (sharedIdx == -1)
{
Vector2 patchOffset = patchOffsetX * patchSize * rhex + patchOffsetY * patchSize * rhey;
idx = mesh.vertices.Count;
Vector2 planeCoords = row * subdivRhey + col * subdivRhex;
float y = cell.state == MapCell.State.Full ? 1 : 0;
Vector3 vertex = new Vector3(planeCoords.x, y, planeCoords.y);
//TODO: move noise out
float noiseStrength = 0.1f;
PerlinNoiseSample vNoise = noise.Perlin2D(patchOffset + planeCoords, 0.5f);
vertex.y += vNoise.value * noiseStrength;
mesh.vertices.Add(vertex);
Vector2 uvPos = patchOffset + new Vector2(planeCoords.x, planeCoords.y);
mesh.uvs.Add(uvPos);
Vector3 normal = new Vector3(-vNoise.derivative.x * noiseStrength, 1, -vNoise.derivative.y * noiseStrength).normalized;
mesh.normals.Add(normal);
}
else
{
idx = sharedIdx;
}
vertsInStack.Add(new VertInStack()
{
cell = cell, mesh = mesh, vidx = idx, coords = cellCoords
});
CellVertInfo cvi = cellVertInfos[(cellCoords.y - cyMin) * cw + (cellCoords.x - cxMin)];
cvi.SetMesh(mesh);
cvi.AddIdx(row, idx);
}
public PerlinNoiseSample Sum2D(Vector3 point, float frequency, int octaves, float lacunarity, float persistence)
{
PerlinNoiseSample sum = Perlin2D(point, frequency);
float amplitude = 1f;
float range = 1f;
for (int o = 1; o < octaves; o++)
{
frequency *= lacunarity;
amplitude *= persistence;
range += amplitude;
sum += Perlin2D(point, frequency) * amplitude;
}
return(sum * (1f / range));
}
