/// <summary> /// Agrega un nuevo vertice a la lista si es que ya no hay otro igual. /// Devuelve el indice del nuevo vertice o del que ya estaba. /// </summary> public static int addVertexToListIfUnique(List <EditPolyVertex> vertices, EditPolyVertex v) { for (int i = 0; i < vertices.Count; i++) { if (EditablePolyUtils.sameVextex(vertices[i], v)) { return(i); } } v.vbIndex = vertices.Count; v.edges = new List <EditPolyEdge>(); vertices.Add(v); return(v.vbIndex); }
/// <summary> /// Activar /// </summary> public void setEnabled(bool enabled) { //Activar if (enabled) { editablePoly.CurrentState = EditablePoly.State.TranslateGizmo; currentState = State.Init; //Posicionar gizmo TgcBoundingBox aabb = EditablePolyUtils.getSelectionBoundingBox(editablePoly.SelectionList); Vector3 aabbCenter = Vector3.TransformCoordinate(aabb.calculateBoxCenter(), editablePoly.Transform); gizmoMesh.setCenter(aabbCenter, editablePoly.Control.Camera); } }
/// <summary> /// Agrega una nueva arista a la lista si es que ya no hay otra igual. /// Devuelve el indice de la nuevo arista o de la que ya estaba. /// </summary> public static int addEdgeToListIfUnique(List <EditPolyEdge> edges, EditPolyEdge e, out bool newEdgeAdded) { for (int i = 0; i < edges.Count; i++) { if (EditablePolyUtils.sameEdge(edges[i], e)) { newEdgeAdded = false; return(i); } } newEdgeAdded = true; e.faces = new List <EditPolyPolygon>(); edges.Add(e); return(edges.Count - 1); }
/// <summary> /// Procesar shorcuts de teclado /// </summary> private void processShortcuts() { TgcD3dInput input = GuiController.Instance.D3dInput; //Select if (input.keyPressed(Key.Q)) { setSelectState(); } //Select all else if (input.keyDown(Key.LeftControl) && input.keyPressed(Key.E)) { selectAll(); } //Delete else if (input.keyPressed(Key.Delete)) { deleteSelectedPrimitives(); } //Translate else if (input.keyPressed(Key.W)) { activateTranslateGizmo(); } //Zoom else if (input.keyPressed(Key.Z)) { EditablePolyUtils.zoomPrimitives(control.Camera, selectionList, Transform); } //Top view else if (input.keyPressed(Key.T)) { EditablePolyUtils.setCameraTopView(control.Camera, selectionList, Transform); } //Left view else if (input.keyPressed(Key.L)) { EditablePolyUtils.setCameraLeftView(control.Camera, selectionList, Transform); } //Front view else if (input.keyPressed(Key.F)) { EditablePolyUtils.setCameraFrontView(control.Camera, selectionList, Transform); } }
/// <summary> /// Busca si ambos poligonos tienen una arista igual. /// Si encontro retorna el indice de la arista igual de cada poligono. /// </summary> public static bool findShareEdgeBetweenPolygons(EditPolyPolygon p1, EditPolyPolygon p2, out int p1Edge, out int p2Edge) { for (int i = 0; i < p1.edges.Count; i++) { for (int j = 0; j < p2.edges.Count; j++) { if (EditablePolyUtils.sameEdge(p1.edges[i], p2.edges[j])) { p1Edge = i; p2Edge = j; return(true); } } } p1Edge = -1; p2Edge = -1; return(false); }
/// <summary> /// Tomar un mesh cargar todas las estructuras internas necesarias para poder editarlo /// </summary> private void loadMesh(TgcMesh origMesh) { //Obtener vertices del mesh this.mesh = origMesh; List <EditPolyVertex> origVertices = getMeshOriginalVertexData(origMesh); int origTriCount = origVertices.Count / 3; //Iterar sobre los triangulos y generar data auxiliar unificada vertices = new List <EditPolyVertex>(); edges = new List <EditPolyEdge>(); polygons = new List <EditPolyPolygon>(); indexBuffer = new short[origTriCount * 3]; int[] attributeBuffer = origMesh.D3dMesh.LockAttributeBufferArray(LockFlags.ReadOnly); origMesh.D3dMesh.UnlockAttributeBuffer(attributeBuffer); for (int i = 0; i < origTriCount; i++) { EditPolyVertex v1 = origVertices[i * 3]; EditPolyVertex v2 = origVertices[i * 3 + 1]; EditPolyVertex v3 = origVertices[i * 3 + 2]; //Agregar vertices a la lista, si es que son nuevos int v1Idx = EditablePolyUtils.addVertexToListIfUnique(vertices, v1); int v2Idx = EditablePolyUtils.addVertexToListIfUnique(vertices, v2); int v3Idx = EditablePolyUtils.addVertexToListIfUnique(vertices, v3); v1 = vertices[v1Idx]; v2 = vertices[v2Idx]; v3 = vertices[v3Idx]; //Crear edges EditPolyEdge e1 = new EditPolyEdge(); e1.a = v1; e1.b = v2; EditPolyEdge e2 = new EditPolyEdge(); e2.a = v2; e2.b = v3; EditPolyEdge e3 = new EditPolyEdge(); e3.a = v3; e3.b = v1; //Crear poligono para este triangulo EditPolyPolygon p = new EditPolyPolygon(); p.vertices = new List <EditPolyVertex>(); p.vertices.Add(v1); p.vertices.Add(v2); p.vertices.Add(v3); p.edges = new List <EditPolyEdge>(); p.edges.Add(e1); p.edges.Add(e2); p.edges.Add(e3); p.vbTriangles = new List <int>(); p.vbTriangles.Add(i * 3); p.plane = Plane.FromPoints(v1.position, v2.position, v3.position); p.plane.Normalize(); p.matId = attributeBuffer[i]; //Agregar triangulo al index buffer indexBuffer[i * 3] = (short)v1Idx; indexBuffer[i * 3 + 1] = (short)v2Idx; indexBuffer[i * 3 + 2] = (short)v3Idx; //Agregar a lista de poligonos polygons.Add(p); /* * //Buscar si hay un poligono ya existente al cual sumarnos (coplanar y que compartan una arista) * EditPolyPolygon coplanarP = null; * for (int j = 0; j < polygons.Count; j++) * { * //Coplanares y con igual material ID * EditPolyPolygon p0 = polygons[j]; * if (p0.matId == p.matId && EditablePolyUtils.samePlane(p0.plane, p.plane)) * { * //Buscar si tienen una arista igual * int p0SharedEdgeIdx; * int pSharedEdgeIdx; * if (EditablePolyUtils.findShareEdgeBetweenPolygons(p0, p, out p0SharedEdgeIdx, out pSharedEdgeIdx)) * { * //Obtener el tercer vertice del triangulo que no es parte de la arista compartida * EditPolyEdge sharedEdge = p0.edges[p0SharedEdgeIdx]; * EditPolyVertex thirdVert; * if (p.vertices[0] != sharedEdge.a && p.vertices[0] != sharedEdge.b) * thirdVert = p.vertices[0]; * else if (p.vertices[1] != sharedEdge.a && p.vertices[1] != sharedEdge.b) * thirdVert = p.vertices[1]; * else * thirdVert = p.vertices[2]; * * //Agregar el tercer vertice al poligno existente * EditablePolyUtils.addVertexToPolygon(p0, sharedEdge, thirdVert); * * //Quitar arista compartida * p0.edges.Remove(sharedEdge); * * //Agregar al poligono dos nuevas aristas que conectar los extremos de la arista compartida hacia el tercer vertice * EditPolyEdge newPolEdge1 = new EditPolyEdge(); * newPolEdge1.a = sharedEdge.a; * newPolEdge1.b = thirdVert; * p0.edges.Add(newPolEdge1); * * EditPolyEdge newPolEdge2 = new EditPolyEdge(); * newPolEdge2.a = thirdVert; * newPolEdge2.b = sharedEdge.b; * p0.edges.Add(newPolEdge2); * * //Agregar indice de triangulo del vertexBuffer que se sumo al poligono * p0.vbTriangles.Add(p.vbTriangles[0]); * * coplanarP = p0; * } * } * } * //Es un nuevo poligono, agregarlo * if (coplanarP == null) * { * polygons.Add(p); * } */ } //Unificar aristas de los poligonos foreach (EditPolyPolygon p in polygons) { for (int i = 0; i < p.edges.Count; i++) { bool newEdgeAdded; int eIdx = EditablePolyUtils.addEdgeToListIfUnique(edges, p.edges[i], out newEdgeAdded); EditPolyEdge e = edges[eIdx]; //Nueva arista incorporada a la lista if (newEdgeAdded) { e.faces = new List <EditPolyPolygon>(); //Agregar referencia a vertices que usan la arista e.a.edges.Add(e); e.b.edges.Add(e); } //Se usa arista existente de la lista else { //Reemplazar en poligono por la nueva p.edges[i] = e; } //Indicar a la arista que pertenece al poligono actual e.faces.Add(p); } } setDirtyValues(false); }