public void AddNewSceneEntity(PrimitiveBase prim)
{
if (Engine.StartSceneState == null)
{
Engine.StartAction(ActionType.EntityCount);
Engine.SceneEntities.Add(new SceneEntity(prim));
Engine.EndAction();
Engine.LastAddedPrimitive = prim;
}
}
public SceneEntity(PrimitiveBase primitive)
{
_id = Engine.EntityCount++;
_basicEffect = new BasicEffect(Engine.ActiveGraphicsDevice);
_basicEffect.EnableDefaultLighting();
_selectionBoxEffect = new BasicEffect(Engine.ActiveGraphicsDevice) { VertexColorEnabled = true };
_vertexData = primitive.VertexData;
_vertexPositions = primitive.VertexPositions;
_primitiveType = primitive.PrimitiveType;
_primitiveCount = primitive.PrimitiveCount;
_controlVertices = new List<ControlVertex>();
foreach (Vector3 vert in _vertexPositions)
{
_controlVertices.Add(new ControlVertex(vert));
}
_controlEdges = new List<ControlEdge>();
foreach (Tuple<int, int> tuple in primitive.EdgeVertexIndexes)
{
_controlEdges.Add(new ControlEdge(_vertexPositions[tuple.Item1], _vertexPositions[tuple.Item2]));
}
_controlTriangles = new List<ControlTriangle>();
foreach (Tuple<int, int, int> tuple in primitive.TriangleVertexIndexes)
{
_controlTriangles.Add(new ControlTriangle(_vertexPositions[tuple.Item1], _vertexPositions[tuple.Item2], _vertexPositions[tuple.Item3]));
}
if (primitive is Cylinder || primitive is Sphere)
{
var t = _vertexPositions.ToList();
t.RemoveAt(0);
_vertexPositions = t.ToArray();
_controlVertices.RemoveAt(0);
}
RecalcCenter();
RecalcBoundingBox();
}