public void Add(TTriMesh use_mesh)
{
int normal_offset = normal.Length;
int pos_offset = pos.Length;
//int color_offset = color.Length;
pos.Add(use_mesh.pos);
normal.Add(use_mesh.normal);
//scene.color.Add(use_mesh.color);
int last_high = triangle.High;
triangle.Add(use_mesh.triangle);
for (int k = last_high + 1; k <= triangle.High; k++)
{
triangle[k] = new TMeshTri(
triangle[k].p0 + pos_offset,
triangle[k].p1 + pos_offset,
triangle[k].p2 + pos_offset,
triangle[k].n0 + normal_offset,
triangle[k].n1 + normal_offset,
triangle[k].n2 + normal_offset,
0, 0, 0);//TODO
}
}
public TTriMesh GetTransformedMesh()
{
TTriMesh trans_mesh = new TTriMesh();
if (mesh == null)
{
return(trans_mesh);
}
trans_mesh.pos.High = mesh.pos.High;
for (int i = 0; i <= mesh.pos.High; i++)
{
Vector3 t = mesh.pos[i];
t.TransformCoordinate(orient);
trans_mesh.pos[i] = t;
}
trans_mesh.normal.High = mesh.normal.High;
for (int i = 0; i <= mesh.normal.High; i++)
{
Vector3 t = mesh.normal[i];
t.TransformNormal(orient);
trans_mesh.normal[i] = t;
}
trans_mesh.triangle.Add(mesh.triangle);
return(trans_mesh);
}
private void Draw()
{
if (detail.Update())
{
propertyGrid1.Refresh();
}
render.BeginScene();
//
DrawBackground();
render.State.CullFace(true);
render.Lighting.Enable(true);
render.Lighting.LightDir(cam.GetDir());
//render.Lighting.Material(Color.Tomato, Color.Turquoise, 10);
TTriMesh scene = detail.GetTransformedMesh();// engine.GetScene();
CustomVertex.PositionNormal[] render_data = scene.GetRenderData();
render.Draw.Triangles(render_data);
if (this.toolStripButton2.Checked)
{
render.Lighting.Material(Color.Black, Color.Black, 0);
render.State.DepthBias(true);
render.State.FillModeWireFrame();
render.Draw.Triangles(render_data);
render.State.FillModeSolid();
render.State.DepthBias(false);
}
render.Lighting.Enable(false);
render.State.CullFace(false);
render.ClearDepth();
editor.DrawAxis(this.toolStripComboBox1.SelectedIndex == 1, toolStripButton1.Checked);
//TRay cursor_world = render.FromScreenToWorld(Cursor.Position);
render.Transform.Ortho();
render.State.DepthTest(false);
render.Draw.Text(String.Format("Tri count: {0}", render_data.Length / 3), new System.Drawing.Point(10, 30));
////Geometry.TAABB test_box = new Geometry.TAABB(new Vector3(0, 0, 0), new Vector3(0.5f, 0.5f, 0.5f));
////if (test_box.Overlaps(cursor_world))
//// render.Draw.Text("inters", new System.Drawing.Point(10, 30));
//CustomVertex.PositionColored[] points = new CustomVertex.PositionColored[1];
//points[0].Position = cursor_world.pos + cursor_world.dir;
//points[0].Color = System.Drawing.Color.FromArgb(1, 0, 0, 0).ToArgb();
render.Transform.Projection();
render.Transform.ViewByCam(cam);
//render.State.PointSize(10);
//render.Draw.Points(points);
render.State.DepthTest(true);
render.EndScene();
}
public TTriMesh GetCopy()
//создает глубокую копию
{
TTriMesh result = new TTriMesh();
result.pos.Add(pos);
result.normal.Add(normal);
result.triangle.Add(triangle);
//result.tri_aabb.Add(tri_aabb);
//result.aabb=aabb;
//result.average_tri_size=average_tri_size;
return(result);
}
public void RebuildGeometry()
{
//need_props_refresh = true;//TODO если обновлять окно свойст здесь, то почему-то не происходит перерисовка моделей
int last_high = -1,
normal_offset = 0,
pos_offset = 0,
color_offset = 0;
if (objects.Count < 1)
{
return;
}
TTriMeshWithTree[] meshes = new TTriMeshWithTree[objects.Count];
TTriMesh[] not_cutted_meshes = new TTriMesh[meshes.Length];
float node_size = 0;
TVector <int> buffer = new TVector <int>(1000);
TAABB scene_box = new TAABB();
for (int i = 0; i < meshes.Length; i++)
{
not_cutted_meshes[i] = objects[i].GetTransformedMesh();
meshes[i] = new TTriMeshWithTree(not_cutted_meshes[i].GetCopy());
node_size += meshes[i].GetAverageTriSize();
if (i == 0)
{
scene_box = meshes[i].GetAABB();
}
else
{
scene_box.Extend(meshes[i].GetAABB());
}
}
node_size /= meshes.Length;
scene = new TTriMeshWithTree(node_size * 2, scene_box);
TVector <int> query_result = new TVector <int>(1000);
TVector <int> query_result1 = new TVector <int>(1000);
for (int i = 0; i < meshes.Length; i++)
{
if (i != 0)
{
//сечём треугольники объекта треугольниками сцены
scene.AABBQuery(query_result, meshes[i].GetAABB());
for (int k = 0; k <= query_result.High; k++)
{
meshes[i].Cut(buffer, scene.GetMesh(), query_result[k], scene.GetMesh().GetTriAABB(query_result[k]));
}
//сечём треугольники сцены треугольниками объекта(треугольники объекта не сечённые)
for (int k = 0; k <= not_cutted_meshes[i].triangle.High; k++)
{
scene.Cut(buffer, not_cutted_meshes[i], k, not_cutted_meshes[i].GetTriAABB(k));
}
scene.TrianglesInMeshQuery(buffer, query_result, meshes[i], true);
meshes[i].TrianglesInMeshQuery(buffer, query_result1, scene, false);
scene.DelTriangles(query_result);
meshes[i].DelTriangles(query_result1);
meshes[i].InverseNormals();
}
//добавляем объект в сцену
scene.Add(meshes[i]);
}
}