private static List <GeometryModel3D> GetModel(ModelRenderSet renderSet, Model model)
{
var geoModels = new List <GeometryModel3D>();
try
{
foreach (var groupKV in renderSet.Geometry.ModelPrimitiveGroups)
{
var group = groupKV.Value;
var material = GetMaterial(group, model);
if (material.Children.Count == 0)
{
continue;
}
var mesh = GetMesh(renderSet, group);
var geoModel = new GeometryModel3D();
ModelViewModel.SetModel(geoModel, model);
geoModel.Geometry = mesh;
geoModel.Material = material;
if (model.Type == Model.ModelType.Collision)
{
geoModel.BackMaterial = material;
}
geoModel.Freeze();
geoModels.Add(geoModel);
}
}
catch (Exception)
{
Trace.WriteLine(string.Format("{0} can't render this group.", renderSet.Geometry.ModelPrimitiveGroups[0].Material.Fx));
}
return(geoModels);
}
private static MeshGeometry3D GetMesh(ModelRenderSet renderSet, ModelPrimitiveGroup group)
{
var mesh = new MeshGeometry3D();
mesh.Positions = renderSet.Geometry.Positions;
mesh.TextureCoordinates = renderSet.Geometry.TextureCoordinates;
mesh.Normals = renderSet.Geometry.Normals;
if (!group.Sectioned)
{
mesh.TriangleIndices = renderSet.Geometry.TriangleIndices;
}
else //一般用来显示装甲
{
var primitive = renderSet.Geometry.TriangleIndices
.Where((v, i) => i >= group.StartIndex && i < group.EndIndex * 3);
mesh.TriangleIndices = new Int32Collection(primitive);
}
return(mesh);
}
