/*
* 参考资料：https://indienova.com/indie-game-development/hex-map-part-2/
*
* v3 v4
* v5 ____________ v6
* \ | | /
* v1\|______|/v2
* \ /
* \ /
* \ /
* \/
* center
*/
/// <summary>
/// 绘制六边形
/// </summary>
/// <param name="cell"></param>
private void Triangulate(HexCell cell)
{
Vector3 center = cell.center;
for (HexDirectionEnum i = 0; i < HexDirectionEnum.Length; i++)
{
//绘制内三角
Vector3 v1 = center + HexMetrics.GetFirstSolidCorner(i);
Vector3 v2 = center + HexMetrics.GetSecondSolidConrner(i);
AddTriangle(center, v1, v2);
AddTriangleColor(cell.color, cell.color, cell.color);
/*Vector3 bridge = HexMetrics.GetBridge( i ) ;
* Vector3 v3 = v1 + bridge;
* Vector3 v4 = v2 + bridge;
*
* AddQuad( v1 , v2 , v3 , v4 ) ;
*
* HexCell prevNeighbor = cell.GetNeighbor( i.Previous() ) ?? cell ;
* HexCell neighbor = cell.GetNeighbor( i ) ?? cell ;
* HexCell nextNeighbor = cell.GetNeighbor( i.Next() ) ?? cell ;
*
* Color firstColor = (cell.color + prevNeighbor.color + neighbor.color) / 3f ;
* Color secondColor = (cell.color + neighbor.color + nextNeighbor.color) / 3f ;
* Color bridgeColor = (cell.color + neighbor.color) * 0.5f ;
*
* AddQuadColor( cell.color , bridgeColor) ;
*
* AddTriangle( v1,center+HexMetrics.GetFirstCorner( i ),v3 );
* AddTriangleColor( cell.color,firstColor,bridgeColor );
*
* AddTriangle(v2, v4, center + HexMetrics.GetSecondConrner(i));
* AddTriangleColor(cell.color, bridgeColor, secondColor);*/
//绘制外梯形，为了避免重复绘制，两个三角形只绘制一次
if (i == HexDirectionEnum.TopRight || i == HexDirectionEnum.Right || i == HexDirectionEnum.BottomRight)
{
RightTrangulateConnection(i, cell, v1, v2);
}
else if (cell.GetNeighbor(i) == null)
{
NoNeighborConnection(i, cell, v1, v2);
}
}
}