public static List <List <int> > Decompose(EarPolygon poly, ref List <Vector2> vert)
{
EarClipping.Clip(poly);
List <Vector2> triangles = new List <Vector2>();
GeoUtils.FlatList(poly.mResults, ref triangles);
List <int> indices = new List <int>();
GeoUtils.MeshVertexPrimitiveType(triangles, ref vert, ref indices);
return(HMDecompose(vert, indices));
}
/// <summary>
/// 简单多边形或者三角面点数组
/// </summary>
/// <param name="tries"></param>
/// <param name="isPolygon">是否为简单多边形</param>
/// <param name="vert"></param>
/// <returns></returns>
public static List <List <int> > Decompose(List <Vector2> tries, bool isPolygon, ref List <Vector2> vert)
{
if (isPolygon)
{
EarPolygon poly = new EarPolygon();
foreach (Vector2 v in tries)
{
poly.AddPoint(v.x, v.y);
}
EarClipping.Clip(poly);
List <Vector2> triangles = new List <Vector2>();
GeoUtils.FlatList(poly.mResults, ref triangles);
List <int> indices = new List <int>();
GeoUtils.MeshVertexPrimitiveType(triangles, ref vert, ref indices);
return(HMDecompose(vert, indices));
}
else
{
List <int> indices = new List <int>();
GeoUtils.MeshVertexPrimitiveType(tries, ref vert, ref indices);
return(HMDecompose(vert, indices));
}
}