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Add FBX model support using AssimpNet #1479

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ema
2025-07-08 23:46:37 +08:00
parent 09a3cc3ea5
commit 5869cc6670
3 changed files with 38 additions and 10 deletions
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46
QuickLook.Plugin/QuickLook.Plugin.HelixViewer/HelixPanel.xaml.cs
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@@ -15,7 +15,9 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
using Assimp;
using HelixToolkit.Wpf;
using System;
using System.Linq;
using System.Windows.Controls;
using System.Windows.Media;
@@ -25,7 +27,7 @@ namespace QuickLook.Plugin.HelixViewer;
public partial class HelixPanel : UserControl
{
private string _path;
private readonly string _path;
public HelixPanel(string path) : this()
{
@@ -40,16 +42,40 @@ public partial class HelixPanel : UserControl
private void Load()
{
var modelImporter = new ModelImporter();
var model3DGroup = modelImporter.Load(_path);
var diffuseMaterial = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(0xA0, 0xA0, 0xA0)));
foreach (GeometryModel3D child in model3DGroup.Children.Cast<GeometryModel3D>())
if (_path.EndsWith(".fbx", StringComparison.OrdinalIgnoreCase))
{
child.Material = diffuseMaterial;
child.BackMaterial = diffuseMaterial;
}
var context = new AssimpContext();
var scene = context.ImportFile(_path, PostProcessSteps.Triangulate);
modelVisual.Content = model3DGroup;
foreach (var mesh in scene.Meshes)
{
var geometry = new MeshGeometry3D()
{
Positions = [.. mesh.Vertices.Select(v => new Point3D(v.X, v.Y, v.Z))],
TriangleIndices = [.. mesh.GetIndices()],
};
var model = new GeometryModel3D()
{
Geometry = geometry,
Material = Materials.Gray,
};
modelVisual.Content = model;
}
}
else
{
var modelImporter = new ModelImporter();
var model3DGroup = modelImporter.Load(_path);
var diffuseMaterial = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(0xA0, 0xA0, 0xA0)));
foreach (GeometryModel3D child in model3DGroup.Children.Cast<GeometryModel3D>())
{
child.Material = diffuseMaterial;
child.BackMaterial = diffuseMaterial;
}
modelVisual.Content = model3DGroup;
}
}
}