import FreeCAD as App import FreeCADGui as Gui import Part, MeshPart import json, os, traceback def log(msg): App.Console.PrintMessage(str(msg) + "\n") try: doc = App.ActiveDocument sel = Gui.Selection.getSelection() if not sel: log("❌ Bir obje seçilmedi.") raise SystemExit obj = sel[0] if not hasattr(obj, "Shape"): log("❌ Seçili obje Shape içermiyor.") raise SystemExit shape = obj.Shape log(f"✅ Objeyi aldı: {obj.Name}") log(f"Face sayısı: {len(shape.Faces)}, Edge sayısı: {len(shape.Edges)}, Vertex sayısı: {len(shape.Vertexes)}") # ------------------ FACE RENKLERİ ------------------ diffuse = getattr(obj.ViewObject, "DiffuseColor", None) if diffuse and len(diffuse) == 1 and len(shape.Faces) > 1: diffuse = diffuse * len(shape.Faces) if not diffuse or len(diffuse) < len(shape.Faces): diffuse = [(0.8,0.8,0.8,1.0)] * len(shape.Faces) # ------------------ ADAPTIVE LINEAR DEFLECTION ------------------ size = shape.BoundBox.DiagonalLength LinearDeflection = size / 500.0 AngularDeflection = 0.5 # ------------------ VERTEX POOL (DEDUPLICATE) ------------------ vertices = [] vertex_map = {} # key -> vertex index tolerance = 1e-7 # Çok kesin tolerans def add_vertex(v): x, y, z = (v.x, v.y, v.z) if hasattr(v, "x") else (v[0], v[1], v[2]) # Yaklaşık koordinatları olan vertex'i bul key = (round(x / tolerance), round(y / tolerance), round(z / tolerance)) if key in vertex_map: return vertex_map[key] # Mevcut vertex'i kullan # Yeni vertex ekle idx = len(vertices) vertices.append([x, y, z]) vertex_map[key] = idx return idx # ------------------ FACE TRIANGLES & BREP INFO ------------------ triangles = [] vertex_colors = [None] * 100000 # Pre-allocate büyük array vertex_alpha = [None] * 100000 vertex_grup = [None] * 100000 face_brep_info = [] strti = 0 grpi = 0 for fi, face in enumerate(shape.Faces): fmesh = MeshPart.meshFromShape(face, LinearDeflection=LinearDeflection, AngularDeflection=AngularDeflection) face_vertex_indices = [] for tri in fmesh.Facets: # Facet point erişimi p = getattr(tri, "Points", None) if not p: continue v0 = add_vertex(p[0]) v1 = add_vertex(p[1]) v2 = add_vertex(p[2]) triangles.append([v0, v1, v2]) face_vertex_indices.extend([v0, v1, v2]) # Vertex renk / alpha / grup count = len(face_vertex_indices) r,g,b,a = diffuse[fi] for vi in face_vertex_indices: # Pre-allocated array'a doğrudan ata if vertex_colors[vi] is None: vertex_colors[vi] = [r,g,b] vertex_alpha[vi] = a vertex_grup[vi] = [strti, count, grpi] strti += count grpi += 1 # Array'ı trim et - gereksiz None'ları kaldır vertex_colors = [c for c in vertex_colors if c is not None] vertex_alpha = [a for a in vertex_alpha if a is not None] vertex_grup = [g for g in vertex_grup if g is not None] for fi, face in enumerate(shape.Faces): # ------------------ BREP INFO ------------------ geom = face.Surface info = {"index": fi} if isinstance(geom, Part.Plane): info.update({ "type": "Plane", "normal": [geom.Axis.x, geom.Axis.y, geom.Axis.z], "position": [geom.Position.x, geom.Position.y, geom.Position.z] }) elif isinstance(geom, Part.Sphere): info.update({ "type": "Sphere", "radius": geom.Radius, "center": [geom.Center.x, geom.Center.y, geom.Center.z] }) elif isinstance(geom, Part.Cylinder): pos = face.CenterOfMass info.update({ "type": "Cylinder", "radius": geom.Radius, "axis": [geom.Axis.x, geom.Axis.y, geom.Axis.z], "position": [pos.x, pos.y, pos.z] }) elif isinstance(geom, Part.Cone): pos = face.CenterOfMass info.update({ "type": "Cone", "radius1": geom.Radius1, "radius2": geom.Radius2, "axis": [geom.Axis.x, geom.Axis.y, geom.Axis.z], "position": [pos.x, pos.y, pos.z] }) elif isinstance(geom, Part.Torus): pos = face.CenterOfMass info.update({ "type": "Torus", "majorRadius": geom.MajorRadius, "minorRadius": geom.MinorRadius, "axis": [geom.Axis.x, geom.Axis.y, geom.Axis.z], "position": [pos.x, pos.y, pos.z] }) elif isinstance(geom, Part.BSplineSurface): uPoles = geom.getPoles()[0] vPoles = geom.getPoles()[1] info.update({ "type": "BSplineSurface", "uPoles": [[p.x, p.y, p.z] for p in uPoles], "vPoles": [[p.x, p.y, p.z] for p in vPoles] }) else: info.update({"type": "Unknown"}) face_brep_info.append(info) # ------------------ EDGES ------------------ edges_out = [] edge_colors = [None] * 100000 # Pre-allocate edge_alpha = [None] * 100000 edge_grup = [None] * 100000 edge_brep_info = [] strtlinei = 0 grplinei = 0 for ei, e in enumerate(shape.Edges): v0 = add_vertex(e.Vertexes[0].Point) v1 = add_vertex(e.Vertexes[-1].Point) edges_out.append([v0, v1]) for vi in [v0, v1]: if edge_colors[vi] is None: edge_colors[vi] = [0.2,0.2,0.2] edge_alpha[vi] = 1.0 edge_grup[vi] = [strtlinei,2,grplinei] strtlinei += 2 grplinei += 1 # Edge BREP info try: curve = e.Curve cinfo = {"index": ei} if isinstance(curve, Part.Line): cinfo.update({ "type": "Line", "start": [e.Vertexes[0].Point.x, e.Vertexes[0].Point.y, e.Vertexes[0].Point.z], "end": [e.Vertexes[-1].Point.x, e.Vertexes[-1].Point.y, e.Vertexes[-1].Point.z] }) elif isinstance(curve, Part.Circle): cinfo.update({ "type": "Circle", "center": [curve.Center.x, curve.Center.y, curve.Center.z], "radius": curve.Radius, "axis": [curve.Axis.x, curve.Axis.y, curve.Axis.z] }) elif isinstance(curve, Part.BSplineCurve): cinfo.update({ "type": "BSplineCurve", "control_points": [[p.x, p.y, p.z] for p in curve.getPoles()] }) else: cinfo.update({"type": "Unknown"}) except Exception: cinfo = {"index": ei, "type": "Unknown"} edge_brep_info.append(cinfo) # Edge arrays'ı trim et edge_colors = [c for c in edge_colors if c is not None] edge_alpha = [a for a in edge_alpha if a is not None] edge_grup = [g for g in edge_grup if g is not None] # ------------------ POINTS ------------------ points_geom = [[v.Point.x, v.Point.y, v.Point.z] for v in shape.Vertexes] # ------------------ JSON OUTPUT ------------------ out = { "vertices": vertices, "faces": { "triangles": triangles, "color": [c for col in vertex_colors for c in col], "alpha": vertex_alpha, "grup": [g for trip in vertex_grup for g in trip], "brep": face_brep_info }, "edges": { "lines": edges_out, "color": [c for col in edge_colors for c in col], "alpha": edge_alpha, "grup": [g for trip in edge_grup for g in trip], "brep": edge_brep_info }, "points": points_geom, "object_name": obj.Name } path = os.path.join(os.path.expanduser("~"), f"{obj.Name}_threejs_brep.json") with open(path, "w", encoding="utf-8") as f: json.dump(out, f, separators=(',', ':')) log(f"\n✅ Export tamamlandı: {path}") except Exception: log(traceback.format_exc())