//仅处理无临边的情况
private void NoNeighborConnection(HexDirectionEnum direction, HexCell cell, Vector3 v1, Vector3 v2)
{
Vector3 center = cell.center;
Vector3 bridge = HexMetrics.GetOneBridge(direction);
Vector3 v3 = v1 + bridge;
Vector3 v4 = v2 + bridge;
Vector3 v5 = center + HexMetrics.GetFirstCorner(direction);
Vector3 v6 = center + HexMetrics.GetSecondConrner(direction);
HexCell prevNeighbor = cell.GetNeighbor(direction.Previous());
HexCell nextNeighbor = cell.GetNeighbor(direction.Next());
Vector3 v7 = v5;
Vector3 v8 = v6;
if (nextNeighbor == null && prevNeighbor != null)
{
v7 = v3;
v8 = v6;
Color firstColor = (cell.color + cell.color + prevNeighbor.color) / 3f;
AddTriangle(v1, v5, v3);
AddTriangleColor(cell.color, firstColor, cell.color);
}
AddQuad(v1, v2, v7, v8);
AddQuadColor(cell.color);
}
private void RightTrangulateConnection(HexDirectionEnum direction, HexCell cell, Vector3 v1, Vector3 v2)
{
HexCell neighbor = cell.GetNeighbor(direction);
if (neighbor == null)
{
NoNeighborConnection(direction, cell, v1, v2);
return;
}
Vector3 bridge = HexMetrics.GetTwoBridge(direction);
Vector3 v3 = v1 + bridge;
Vector3 v4 = v2 + bridge;
AddQuad(v1, v2, v3, v4);
AddQuadColor(cell.color, neighbor.color);
HexCell nextNeighbor = cell.GetNeighbor(direction.Next());
if (nextNeighbor != null)
{
AddTriangle(v2, v4, v2 + HexMetrics.GetTwoBridge(direction.Next()));
AddTriangleColor(cell.color, neighbor.color, nextNeighbor.color);
}
else
{
//绘制缺失的小三角
AddTriangle(v2, v4, cell.center + HexMetrics.GetSecondConrner(direction));
AddTriangleColor(cell.color, neighbor.color, (cell.color + neighbor.color) * 0.5f);
}
//绘制缺失的小三角
HexCell prevNeighbor = cell.GetNeighbor(direction.Previous());
if (prevNeighbor == null)
{
AddTriangle(v1, cell.center + HexMetrics.GetFirstCorner(direction), v3);
AddTriangleColor(cell.color, (cell.color + cell.color + neighbor.color) / 3f, neighbor.color);
}
}