void TriangulateCornerTerracesCliff(Vector3 first, Color firstColor, HexCell firstCell, Vector3 second, Color secondColor, HexCell secondCell, Vector3 third, Color thirdColor, HexCell thirdCell)
{
int second_first = Mathf.Abs(secondCell.Elevation - firstCell.Elevation);
int third_first = Mathf.Abs(thirdCell.Elevation - firstCell.Elevation);
if (firstCell.Elevation != secondCell.Elevation && secondCell.Elevation != thirdCell.Elevation && thirdCell.Elevation != firstCell.Elevation)
{
if (HexCellConf.GetEdgeType(firstCell.Elevation, secondCell.Elevation) == HexEdgeType.Slope || HexCellConf.GetEdgeType(firstCell.Elevation, thirdCell.Elevation) == HexEdgeType.Slope)
{
if (second_first > third_first)
{
float b = (1f - 1f / second_first);
Vector3 boundary = Vector3.Lerp(first, second, b);
Color boundaryColor = Color.Lerp(firstColor, secondColor, b);
Vector3 lastPos = first;
Color lastColor = firstColor;
for (int i = 1; i <= HexCellConf.terraceSteps; i++)
{
Vector3 v3 = HexCellConf.TerraceLerp(first, third, i, HexCellConf.terracesPerSlope);
Color c3 = HexCellConf.TerraceLerpColor(firstColor, thirdColor, i, HexCellConf.terracesPerSlope);
AddTriangle(lastPos, boundary, v3);
AddTriangleColor(lastColor, boundaryColor, c3);
lastPos = v3;
lastColor = c3;
}
lastPos = third;
lastColor = thirdColor;
for (int i = 1; i <= HexCellConf.terraceSteps; i++)
{
Vector3 v3 = HexCellConf.TerraceLerp(third, second, i, HexCellConf.terracesPerSlope);
Color c3 = HexCellConf.TerraceLerpColor(thirdColor, secondColor, i, HexCellConf.terracesPerSlope);
AddTriangle(boundary, v3, lastPos);
AddTriangleColor(boundaryColor, c3, lastColor);
lastPos = v3;
lastColor = c3;
}
}
else
{
float b = (1f - 1f / third_first);
Vector3 boundary = Vector3.Lerp(first, third, b);
Color boundaryColor = Color.Lerp(firstColor, thirdColor, b);
Vector3 lastPos = first;
Color lastColor = firstColor;
for (int i = 1; i <= HexCellConf.terraceSteps; i++)
{
Vector3 v3 = HexCellConf.TerraceLerp(first, second, i, HexCellConf.terracesPerSlope);
Color c3 = HexCellConf.TerraceLerpColor(firstColor, secondColor, i, HexCellConf.terracesPerSlope);
AddTriangle(boundary, lastPos, v3);
AddTriangleColor(boundaryColor, lastColor, c3);
lastPos = v3;
lastColor = c3;
}
lastPos = second;
lastColor = secondColor;
for (int i = 1; i <= HexCellConf.terraceSteps; i++)
{
Vector3 v3 = HexCellConf.TerraceLerp(second, third, i, HexCellConf.terracesPerSlope);
Color c3 = HexCellConf.TerraceLerpColor(secondColor, thirdColor, i, HexCellConf.terracesPerSlope);
AddTriangle(boundary, lastPos, v3);
AddTriangleColor(boundaryColor, lastColor, c3);
lastPos = v3;
lastColor = c3;
}
}
}
else
{
if (second_first > third_first)
{
float b = (1f - 1f / second_first);
Vector3 boundary = Vector3.Lerp(first, second, b);
Color boundaryColor = Color.Lerp(firstColor, secondColor, b);
AddTriangle(first, boundary, third);
AddTriangleColor(firstColor, boundaryColor, thirdColor);
Vector3 lastPos = third;
Color lastColor = thirdColor;
for (int i = 1; i <= HexCellConf.terraceSteps; i++)
{
Vector3 v3 = HexCellConf.TerraceLerp(third, second, i, HexCellConf.terracesPerSlope);
Color c3 = HexCellConf.TerraceLerpColor(thirdColor, secondColor, i, HexCellConf.terracesPerSlope);
AddTriangle(boundary, v3, lastPos);
AddTriangleColor(boundaryColor, c3, lastColor);
lastPos = v3;
lastColor = c3;
}
}
else
{
float b = (1f - 1f / third_first);
Vector3 boundary = Vector3.Lerp(first, third, b);
Color boundaryColor = Color.Lerp(firstColor, thirdColor, b);
AddTriangle(first, second, boundary);
AddTriangleColor(firstColor, secondColor, boundaryColor);
Vector3 lastPos = second;
Color lastColor = secondColor;
for (int i = 1; i <= HexCellConf.terraceSteps; i++)
{
Vector3 v3 = HexCellConf.TerraceLerp(second, third, i, HexCellConf.terracesPerSlope);
Color c3 = HexCellConf.TerraceLerpColor(secondColor, thirdColor, i, HexCellConf.terracesPerSlope);
AddTriangle(boundary, lastPos, v3);
AddTriangleColor(boundaryColor, lastColor, c3);
lastPos = v3;
lastColor = c3;
}
}
}
}
else
{
if ((secondCell.Elevation > thirdCell.Elevation && secondCell.Elevation > firstCell.Elevation) || (secondCell.Elevation < thirdCell.Elevation && secondCell.Elevation < firstCell.Elevation))
{
TriangulateEdgeTerracesTriangle(third, thirdColor, thirdCell, first, firstColor, firstCell, second, secondColor, secondCell);
}
else if ((thirdCell.Elevation > secondCell.Elevation && thirdCell.Elevation > firstCell.Elevation) || (thirdCell.Elevation < secondCell.Elevation && thirdCell.Elevation < firstCell.Elevation))
{
TriangulateEdgeTerracesTriangle(first, firstColor, firstCell, second, secondColor, secondCell, third, thirdColor, thirdCell);
}
else
{
TriangulateEdgeTerracesTriangle(second, secondColor, secondCell, third, thirdColor, thirdCell, first, firstColor, firstCell);
}
}
}
public HexEdgeType GetEdgeType(HexDirection direction)
{
return(HexCellConf.GetEdgeType(elevation, neighbors[(int)direction].elevation));
}