private void TriangulateDirection_old(HexDirection direction, HexCell cell)
{
//connections to neighbour = rings
//connections to own triangles = loops
//height diff sets hardness (concave convex and what at what height hardness triggers is determined by material)
//A) sim just modifies height, cell generates other stats itself
//B) user can then manipulate stats in detail ---> do we really need that?
//get the neighbours and the two at the vertices
HexCell neighbourM = cell.GetNeighbour(direction); //middle neighbour, edge connected
HexCell neighbourL = cell.GetNeighbour(direction.Left()); //neighbour touching left vertex
HexCell neighbourR = cell.GetNeighbour(direction.Right()); //neighbour touching right vertex
//center positions
Vector3 center = cell.center + Vector3.up * cell.height;
Vector3 center_neighbourM = neighbourM.center + Vector3.up * neighbourM.height;
Vector3 center_neighbourL = neighbourL.center + Vector3.up * neighbourL.height;
Vector3 center_neighbourR = neighbourR.center + Vector3.up * neighbourR.height;
//heightDiff
float heightDiffM = cell.height - neighbourM.height;
float heightDiffL = cell.height - neighbourL.height;
float heightDiffR = cell.height - neighbourR.height;
float heightDiffM_hardness = Mathf.Abs(Mathf.Clamp(heightDiffM / 5, -1.0f, 1.0f));
float heightDiffL_hardness = Mathf.Abs(Mathf.Clamp(heightDiffL / 5, -1.0f, 1.0f));
float heightDiffR_hardness = Mathf.Abs(Mathf.Clamp(heightDiffR / 5, -1.0f, 1.0f));
//hardness
float hardness = 0.5f + (cell.hardness / 2);
float hardnessM = 0.5f + (neighbourM.hardness / 2);
float hardnessL = 0.5f + (neighbourL.hardness / 2);
float hardnessR = 0.5f + (neighbourR.hardness / 2);
//Debug.Log(string.Format("N: {0}, L: {1}, R: {2}", neighbour.center, neighbourL.center, neighbourR.center));
//size weights for shared vertices
float normalizeM = 1.0f / (cell.size + neighbourM.size);
float normalizeL = 1.0f / (cell.size + neighbourM.size + neighbourL.size);
float normalizeR = 1.0f / (cell.size + neighbourM.size + neighbourR.size);
Vector2 weightM = new Vector3(cell.size, neighbourM.size) * normalizeM;
Vector3 weightL = new Vector3(cell.size, neighbourM.size, neighbourL.size) * normalizeL;
Vector3 weightR = new Vector3(cell.size, neighbourM.size, neighbourR.size) * normalizeR;
//Connection Points: calc shared vertex positions between adjacent hexagons based on their sizes
Vector3 posM = center * weightM.x + center_neighbourM * weightM.y;
Vector3 posL = center * weightL.x + center_neighbourM * weightL.y + center_neighbourL * weightL.z;
Vector3 posR = center * weightR.x + center_neighbourM * weightR.y + center_neighbourR * weightR.z;
Vector3 posLM = Vector3.Lerp(posM, posL, (hardness + hardnessM) / 2);
posLM.y = Mathf.Lerp(posLM.y, posM.y, (hardness + hardnessM) / 2);
Vector3 posRM = Vector3.Lerp(posM, posR, (hardness + hardnessM) / 2);
posRM.y = Mathf.Lerp(posRM.y, posM.y, (hardness + hardnessM) / 2);
//calc vertices for the inner plateau, their distance to the center is based on the hardness
Vector3 posM_inner = Vector3.Lerp(center, posM, hardness);
posM_inner.y = Mathf.Lerp(posM_inner.y, center.y, hardness);
Vector3 posL_inner = Vector3.Lerp(center, posL, hardness);
posL_inner.y = Mathf.Lerp(posL_inner.y, center.y, hardness);
Vector3 posR_inner = Vector3.Lerp(center, posR, hardness);
posR_inner.y = Mathf.Lerp(posR_inner.y, center.y, hardness);
Vector3 posLplateau = new Vector3(posL.x, center.y, posL.z);
Vector3 posRplateau = new Vector3(posR.x, center.y, posR.z);
#if false //simple connections (consider 3 neigbors at VERTEX only)
meshBuilder.AddTriangle(
center,
posL_inner,
posR_inner
);
meshBuilder.AddTriangle(
posR_inner,
posL_inner,
posR
);
meshBuilder.AddTriangle(
posR,
posL_inner,
posL
);
#elif true //complex connections (bridge adjacent EDGES too)
meshBuilder.ColorTrinagles(cell.color, 8);
//center Left
meshBuilder.AddTriangle(
center,
posL_inner,
posM_inner
);
//center right
meshBuilder.AddTriangle(
center,
posM_inner,
posR_inner
);
//outer left
meshBuilder.AddTriangle(
posL_inner,
posL,
posLM
);
//outer left middle
meshBuilder.AddTriangle(
posL_inner,
posLM,
posM
);
//outer middle left
meshBuilder.AddTriangle(
posL_inner,
posM,
posM_inner
);
//outer middle right
meshBuilder.AddTriangle(
posR_inner,
posM_inner,
posM
);
//outer right middle
meshBuilder.AddTriangle(
posR_inner,
posM,
posRM
);
//outer right
meshBuilder.AddTriangle(
posR_inner,
posRM,
posR
);
#endif
}