private void OnWorldGenerated(object sender, EventArgs args)
{
var world = (World)sender;
WorldMeshes = new GroupModel3D();
world.Voxels.ToList().ForEach(vox =>
{
var voxel = (Voxel)vox;
CubeFace face;
MeshBuilder b = new MeshBuilder();
voxel.GetVisibleCubeFaces().ForEach(f =>
{
if (voxel.Faces.TryGetValue(f, out face))
{
b.AddCubeFace(face.CubeCenter, face.Normal, face.Up, face.Distance, face.Width, face.Height);
}
});
var mm = b.ToMesh();
var simHelper = new MeshSimplification(mm);
int size = mm.Indices.Count / 3 / 2;
var m = simHelper.Simplify(size, 7, true, true);
var mesh = new MeshGeometryModel3D
{
Geometry = mm,
CullMode = SharpDX.Direct3D11.CullMode.Back
};
var scale = new ScaleTransform3D(1, 1, 1);
var translate = new TranslateTransform3D(0, 0, 0);
var group = new Transform3DGroup();
group.Children.Add(scale);
group.Children.Add(translate);
mesh.Transform = group;
mesh.Material = voxel.PhysicalMaterial;
if (((Engine.Core.World.Material)voxel.Material).PhysicalMaterial.DiffuseColor.Alpha < 1)
{
mesh.IsTransparent = true;
}
WorldMeshes.Children.Add(mesh);
voxel.Mesh = mesh;
});
//Viewport = InitializeViewport();
//while (Viewport == null) { Debug.WriteLine($"Waiting for Viewport..."); }
}
public MainViewModel()
{
RenderTechniquesManager = new DefaultRenderTechniquesManager();
RenderTechnique = RenderTechniquesManager.RenderTechniques[DefaultRenderTechniqueNames.Blinn];
EffectsManager = new DefaultEffectsManager(RenderTechniquesManager);
// ----------------------------------------------
// titles
this.Title = "Mesh Simplification Demo";
this.SubTitle = "WPF & SharpDX";
// ----------------------------------------------
// camera setup
this.Camera = new PerspectiveCamera {
Position = new Point3D(100, 100, 100), LookDirection = new Vector3D(-100, -100, -100), UpDirection = new Vector3D(0, 1, 0)
};
// ----------------------------------------------
// setup scene
this.AmbientLightColor = new Color4(0.2f, 0.2f, 0.2f, 1.0f);
this.Light1Color = (Color4)Color.Gray;
this.Light1Direction = new Vector3(-100, -100, -100);
SetupCameraBindings(Camera);
// ----------------------------------------------
// ----------------------------------------------
// scene model3d
this.ModelMaterial = PhongMaterials.Silver;
var models = Load3ds("wall12.obj").Select(x => x.Geometry as MeshGeometry3D).ToArray();
//var scale = new Vector3(1f);
//foreach (var item in caritems)
//{
// for (int i = 0; i < item.Positions.Count; ++i)
// {
// item.Positions[i] = item.Positions[i] * scale;
// }
//}
Model = models[0];
OrgMesh = Model;
//ModelTransform = new Media3D.RotateTransform3D() { Rotation = new Media3D.AxisAngleRotation3D(new Vector3D(1, 0, 0), -90) };
SimplifyCommand = new RelayCommand(Simplify, CanSimplify);
ResetCommand = new RelayCommand((o) => { Model = OrgMesh; simHelper = new MeshSimplification(Model); }, CanSimplify);
simHelper = new MeshSimplification(Model);
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
MeshSimplification editorObj = target as MeshSimplification;
if (editorObj == null)
{
return;
}
if (GUILayout.Button("Simplify"))
{
editorObj.Simplify();
}
if (GUILayout.Button("Simplify Step-by-step"))
{
MeshFilter meshFilter = editorObj.GetComponent <MeshFilter>();
int currentVertices = meshFilter.sharedMesh.vertices.Length;
editorObj.targetVertices = currentVertices - 1;
editorObj.Simplify();
}
if (editorObj.debugMode)
{
index1 = EditorGUILayout.IntField("Index1:", index1);
index2 = EditorGUILayout.IntField("Index2:", index2);
if (GUILayout.Button("Test Collapse"))
{
editorObj.TestCollapse(index1, index2);
}
}
}
