diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index 64ab66e..25be026 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -102,7 +102,7 @@ STPViewer/
│
├── Models/
│ ├── FaceInfo.cs # GeometryModel3D ↔ B-rep Face 對照(STL 為 null)
- │ ├── MeasureMode.cs # enum: None/Point/Distance/Edge/Face/Circle/Angle/FaceDistance/Align/Align3/Interference
+ │ ├── MeasureMode.cs # enum: None/Point/Distance/Edge/Face/Circle/Angle/FaceDistance/Align/Align3/Drag/Interference
│ ├── MeasurementResult.cs # 量測結果(雙單位 lambda、3D 標籤同步)
│ └── UnitSystem.cs # mm/inch + Units 格式化
│
@@ -147,7 +147,7 @@ class FaceInfo
}
enum MeasureMode { None, Point, Distance, Edge, Face, Circle,
- Angle, FaceDistance, Align, Interference }
+ Angle, FaceDistance, Align, Align3, Drag, Interference }
class MeasurementResult
{
@@ -178,6 +178,7 @@ class MeasurementResult
| 對齊 | 模式「對齊」+ 點「要移動零件」上一點、再點目標點 | 純平移該檔案使點1貼到點2(B-rep 用 `ModOp` 整體位移,量測清空) |
| 三點對齊 | 模式「三點」+ 來源檔 3 點、目標檔 3 對應點 | 旋轉+平移剛體變換(點1精確貼合、1→2 方向對齊、三點平面對齊;`RigidAlign`) |
| 旋轉 | 樹面板選檔案 + 工具列 ↻X/↻Y/↻Z | 繞檔案中心 +90°(連按累加;方向不合時先轉正再對齊) |
+| 拖曳 | 模式「🖐 拖曳」(手形游標)+ 左鍵按住零件拖 | 沿螢幕平面移動該檔案,放開烘進 B-rep(拖曳中僅暫時 Transform,不卡) |
| 干涉 | 工具列「🧩 干涉」(需剛好 2 個可見檔案) | 相交→紅色交線+相交三角形對數;無相交→最小間隙 gap(≈0 即配合 match) |
| 剖面 | 工具列「✂ 剖面」+ 軸向/位置/反向 | CPU 裁切渲染網格(原始幾何保留,量測仍精確) |
| 單位 | 工具列 mm ⇄ in | 既有量測(清單+3D 標籤)即時換算 |
@@ -314,6 +315,14 @@ NuGet 相依(自動還原):`CADability`、`HelixToolkit.Wpf`、`CommunityT
**驗收:** AlignTest 8 項全過;公母連接器可旋轉擺正後三點對齊插合,再用干涉檢查驗證配合
+### Phase 9 — 拖曳模式(工作量:M)
+- [x] 🖐 拖曳模式(`MeasureMode.Drag`)— 手形游標,左鍵按住零件沿螢幕平面拖動(Helix `UnProject` 投影到過錨點、面向相機的平面)
+- [x] 拖曳中僅掛暫時 `TranslateTransform3D`(GPU 端,大組件不卡),放開一次性 `TranslateRoot` 烘進 B-rep(量測精度不受影響)
+- [x] `_mergedMap`(合併網格 → leaf 反查)支援瀏覽渲染下的 hit-test;拖曳中邊線暫停
+- [x] 滑鼠捕捉(拖出視窗持續)、意外中斷以當前位置定格
+
+**驗收:** 大組件手形拖曳流暢;放開後干涉/量測結果與拖曳位置一致;右鍵視角操作不受影響
+
---
## Future Extensions(下一輪)
diff --git a/CLAUDE.md b/CLAUDE.md
index e129826..8a181a1 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -4,7 +4,7 @@
CAD 3D 檢視器(Windows 桌面 WPF, .NET 8):STEP/STL/DXF 匯入、STEP 裝配樹、
點/距離/邊/面/圓/角度/面距量測、兩點對齊(平移)、三點對齊(旋轉+平移)、軸向旋轉 90°、
-干涉檢查、剖面、mm⇄inch、CSV/截圖匯出。
+拖曳模式(手形游標直接拖零件)、干涉檢查、剖面、mm⇄inch、CSV/截圖匯出。
詳細設計見 [ARCHITECTURE.md](ARCHITECTURE.md)。
## 技術棧
@@ -21,7 +21,7 @@ dotnet run --project src/STPViewer
dotnet publish src/STPViewer -c Release -o publish/STPViewer
```
-測試模型:根目錄 `Amphenol RA PHD GPD20-50075_RevB_DC (for Cable).stp`
+測試模型:根目錄 `test.stp`(Amphenol RA PHD 座端,小檔)與 `Amphenol PHD to PHD Cable 10201248 1.stp`(39MB 大組件,效能測試用)
## 開發慣例
@@ -39,6 +39,9 @@ dotnet publish src/STPViewer -c Release -o publish/STPViewer
(勿逐面位移,會重複位移共用邊),網格/合併網格/邊線/邊界同步重算;變換後量測已失效要 `ClearMeasurements()`。
**op 與 m 必須是同一個變換** — 數學在 `Services/RigidAlign.cs`:WPF `Matrix3D` 是「列向量」約定、CADability `ModOp` 是「行向量」約定,
`ToModOp` 負責轉置轉換,改動務必跑 `SmokeTest --align-test` 驗證兩種表示一致,否則 B-rep 與顯示網格會悄悄分家
+- 拖曳模式(`MeasureMode.Drag`):拖曳中只掛**暫時 `TranslateTransform3D`**(GPU 免費),放開才一次性 `TranslateRoot` 烘進 B-rep —
+ **不要改成拖曳中逐幀 TransformRoot**(大檔每幀重建網格會卡死)。2D→3D 用 Helix `UnProject`(過錨點、法向=相機 LookDirection 的平面)。
+ 合併網格的 hit-test 走 `_mergedMap`(合併 Model → leaf);拖曳中邊線用 `_edgesSuspended` 暫停
- 干涉/面距/對齊等運算在背景執行緒;`Freeze()` 幾何後才跨執行緒
- 匯入在背景執行緒;`Freeze()` 幾何後才跨執行緒
- Commit 格式:Conventional Commits(`feat:` / `fix:` / `docs:` …)
diff --git a/README.md b/README.md
index 742b22e..25a8224 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ STP/STEP 3D 檢視器(Windows 桌面程式,C# .NET 8 WPF)— 多檔匯入
| ⤚ 對齊 | 點「要移動零件」一點 + 目標點 → 純平移該檔案使兩點貼合(B-rep 整體位移) |
| 🎯 三點 | 來源檔 3 特徵點 + 目標檔 3 對應點 → 旋轉+平移一次貼合(方向不同也能對) |
- **旋轉**:樹面板選檔案 + 工具列 ↻X/↻Y/↻Z 繞中心 +90°(擺正方向用,連按累加)
+- **拖曳** 🖐:手形游標模式,左鍵按住零件沿螢幕平面拖動、放開定位(粗定位用;精確貼合用對齊);右鍵轉視角不受影響
- **干涉檢查** 🧩:勾選剛好 2 個可見檔案 → 相交時顯示紅色干涉交線 + 相交三角形對數;無相交時回報最小間隙 gap(gap≈0 即為配合 match,共面貼合不算干涉)
- **剖面**:✂ 開關 + X/Y/Z 軸 + 位置滑桿 + 反向;CPU 網格裁切,原始幾何保留(量測不受影響)
- **單位**:mm ⇄ inch 一鍵切換,既有量測(清單與 3D 標籤)即時換算
diff --git a/src/STPViewer/MainWindow.xaml b/src/STPViewer/MainWindow.xaml
index 41592d4..fe07ec1 100644
--- a/src/STPViewer/MainWindow.xaml
+++ b/src/STPViewer/MainWindow.xaml
@@ -59,6 +59,9 @@
ToolTip="選取的檔案繞 Y 軸 +90°">↻Y
+ 🖐 拖曳
@@ -178,7 +181,20 @@
ShowViewCube="True" ShowCoordinateSystem="True"
ShowFrameRate="False" ZoomExtentsWhenLoaded="True"
PanGesture="MiddleClick" PanGesture2="Shift+LeftClick"
- MouseLeftButtonDown="Viewport_MouseLeftButtonDown">
+ MouseLeftButtonDown="Viewport_MouseLeftButtonDown"
+ MouseMove="Viewport_MouseMove"
+ MouseLeftButtonUp="Viewport_MouseLeftButtonUp"
+ LostMouseCapture="Viewport_LostMouseCapture">
+
+
+
diff --git a/src/STPViewer/MainWindow.xaml.cs b/src/STPViewer/MainWindow.xaml.cs
index 43baf70..7e4a851 100644
--- a/src/STPViewer/MainWindow.xaml.cs
+++ b/src/STPViewer/MainWindow.xaml.cs
@@ -32,11 +32,36 @@ public partial class MainWindow : Window
private void Viewport_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
- // Shift+左鍵 = 平移(PanGesture2),不觸發量測
+ // Shift+左鍵 = 平移(PanGesture2),不觸發量測/拖曳
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Shift)) return;
+
+ if (_vm.CurrentMode == STPViewer.Models.MeasureMode.Drag)
+ {
+ if (_vm.OnDragStart(e.GetPosition(viewport.Viewport)))
+ {
+ viewport.CaptureMouse(); // 拖出視窗外也持續收到 Move/Up
+ e.Handled = true;
+ }
+ return;
+ }
_vm.OnViewportClick(e.GetPosition(viewport.Viewport));
}
+ private void Viewport_MouseMove(object sender, MouseEventArgs e)
+ {
+ if (e.LeftButton == MouseButtonState.Pressed)
+ _vm.OnDragMove(e.GetPosition(viewport.Viewport));
+ }
+
+ private void Viewport_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+ {
+ if (_vm.OnDragEnd())
+ viewport.ReleaseMouseCapture();
+ }
+
+ private void Viewport_LostMouseCapture(object sender, MouseEventArgs e) =>
+ _vm.OnDragEnd(); // 捕捉意外中斷(Alt+Tab 等)→ 以目前位置定格,不留懸空 Transform
+
private void Window_DragOver(object sender, DragEventArgs e)
{
e.Effects = HasSupportedFiles(e) ? DragDropEffects.Copy : DragDropEffects.None;
diff --git a/src/STPViewer/Models/MeasureMode.cs b/src/STPViewer/Models/MeasureMode.cs
index d9b8d23..1884c25 100644
--- a/src/STPViewer/Models/MeasureMode.cs
+++ b/src/STPViewer/Models/MeasureMode.cs
@@ -13,5 +13,6 @@ public enum MeasureMode
FaceDistance, // 面到面最短距離(網格近似)
Align, // 兩點對齊:平移零件使點 1 貼到點 2
Align3, // 三點對齊:旋轉+平移(來源 3 點 → 目標 3 點)
+ Drag, // 拖曳模式:左鍵按住零件沿螢幕平面拖動(放開才烘進 B-rep)
Interference, // 干涉檢查結果(非點擊模式,僅作為結果類型)
}
diff --git a/src/STPViewer/ViewModels/MainViewModel.cs b/src/STPViewer/ViewModels/MainViewModel.cs
index 2e33cff..43398d1 100644
--- a/src/STPViewer/ViewModels/MainViewModel.cs
+++ b/src/STPViewer/ViewModels/MainViewModel.cs
@@ -27,6 +27,15 @@ public partial class MainViewModel : ObservableObject
/// 渲染物件 → B-rep Face 反查表(HitTest 用;overlay 不在表內所以自然被忽略)
private readonly Dictionary _faceMap = new();
+ /// 合併網格 → leaf 反查表(拖曳模式在瀏覽渲染下 hit-test 用)
+ private readonly Dictionary _mergedMap = new();
+
+ // 拖曳模式:暫時 Transform 跟著滑鼠,放開才一次性烘進 B-rep(TranslateRoot)
+ private ModelNodeViewModel? _dragRoot;
+ private Point3D _dragAnchor; // 命中點(世界座標),拖曳平面的錨點
+ private Vector3D _dragApplied; // 目前累計位移
+ private TranslateTransform3D? _dragTransform;
+
private HelixViewport3D? _viewport;
private int _paletteIndex;
private readonly Dictionary _counters = new();
@@ -257,11 +266,13 @@ public partial class MainViewModel : ObservableObject
mergedModel.BackMaterial = backMat;
vm.MergedContent = new Model3DGroup();
vm.MergedContent.Children.Add(mergedModel);
+ _mergedMap[mergedModel] = vm;
// 預設瀏覽模式 → 顯示合併網格(量測模式時由 ApplyRenderMode 換回逐面)
vm.BodyVisual = new ModelVisual3D
{
- Content = (CurrentMode == MeasureMode.None && !SectionEnabled) ? vm.MergedContent : group,
+ Content = (CurrentMode is MeasureMode.None or MeasureMode.Drag && !SectionEnabled)
+ ? vm.MergedContent : group,
};
}
@@ -377,7 +388,7 @@ public partial class MainViewModel : ObservableObject
///
private void ApplyRenderMode()
{
- bool browse = CurrentMode == MeasureMode.None && !SectionEnabled;
+ bool browse = CurrentMode is MeasureMode.None or MeasureMode.Drag && !SectionEnabled;
foreach (ModelNodeViewModel leaf in Roots.SelectMany(r => r.Leaves()))
{
if (leaf.BodyVisual is null) continue;
@@ -414,6 +425,9 @@ public partial class MainViewModel : ObservableObject
if (leaf.FacesContent is not null) // 逐面群組才在 _faceMap(與目前顯示哪種內容無關)
foreach (Model3D m in leaf.FacesContent.Children)
_faceMap.Remove(m);
+ if (leaf.MergedContent is not null)
+ foreach (Model3D m in leaf.MergedContent.Children)
+ _mergedMap.Remove(m);
}
if (root.EdgeVisual is not null)
_viewport.Children.Remove(root.EdgeVisual);
@@ -439,6 +453,7 @@ public partial class MainViewModel : ObservableObject
MeasureMode.FaceDistance => "面距量測:點選第 1 個面",
MeasureMode.Align => "兩點對齊:先點「要移動零件」上的點,再點目標點(純平移,量測會清空)",
MeasureMode.Align3 => "三點對齊:先在「要移動的檔案」點 3 個特徵點,再到目標檔案點 3 個對應點(旋轉+平移)",
+ MeasureMode.Drag => "拖曳模式:左鍵按住零件拖動(沿螢幕平面),放開定位;深度方向先轉視角再拖。右鍵仍可轉視角",
_ => StatusText,
};
}
@@ -453,7 +468,7 @@ public partial class MainViewModel : ObservableObject
/// MainWindow 滑鼠左鍵點擊轉發進來
public void OnViewportClick(Point position)
{
- if (_viewport is null || IsBusy || CurrentMode == MeasureMode.None) return;
+ if (_viewport is null || IsBusy || CurrentMode is MeasureMode.None or MeasureMode.Drag) return;
var hits = _viewport.Viewport.FindHits(position);
FaceInfo? fi = null;
@@ -863,6 +878,80 @@ public partial class MainViewModel : ObservableObject
// 三點對齊的剛體變換數學在 Services/RigidAlign.cs(SmokeTest --align-test 驗證)
+ // ─── 拖曳模式(左鍵按住零件沿螢幕平面拖;放開才烘進 B-rep)──
+
+ /// 左鍵按下:命中零件則開始拖曳(回傳 true 表示要捕捉滑鼠)
+ public bool OnDragStart(Point position)
+ {
+ if (_viewport is null || IsBusy || CurrentMode != MeasureMode.Drag || _dragRoot is not null)
+ return false;
+
+ // 兩種渲染內容都可能在場:合併網格查 _mergedMap、逐面(剖面時)查 _faceMap
+ ModelNodeViewModel? leaf = null;
+ Point3D anchor = default;
+ foreach (var h in _viewport.Viewport.FindHits(position))
+ {
+ if (h.Model is null) continue;
+ if (_faceMap.TryGetValue(h.Model, out FaceInfo? fi)) { leaf = fi.Owner; anchor = h.Position; break; }
+ if (_mergedMap.TryGetValue(h.Model, out ModelNodeViewModel? ml)) { leaf = ml; anchor = h.Position; break; }
+ }
+ if (leaf is null) return false;
+ ModelNodeViewModel? root = FindRootOf(leaf) ?? RootContaining(leaf);
+ if (root is null) return false;
+
+ _dragRoot = root;
+ _dragAnchor = anchor;
+ _dragApplied = default;
+ _dragTransform = new TranslateTransform3D();
+ foreach (ModelNodeViewModel l in root.Leaves())
+ if (l.BodyVisual is not null)
+ l.BodyVisual.Transform = _dragTransform;
+
+ // 拖曳中隱藏邊線(LinesVisual3D 隨 Transform 變更逐幀重建會卡)
+ _edgesSuspended = true;
+ SetEdgesActive(false);
+ StatusText = $"拖曳「{root.Name}」中…(放開定位)";
+ return true;
+ }
+
+ /// 滑鼠移動:把 2D 位移投影到「過錨點、面向相機」的平面上 → 暫時 Transform
+ public void OnDragMove(Point position)
+ {
+ if (_viewport?.Camera is not System.Windows.Media.Media3D.ProjectionCamera cam ||
+ _dragRoot is null || _dragTransform is null) return;
+
+ Point3D? p = _viewport.Viewport.UnProject(position, _dragAnchor, cam.LookDirection);
+ if (p is null) return;
+ _dragApplied = p.Value - _dragAnchor;
+ _dragTransform.OffsetX = _dragApplied.X;
+ _dragTransform.OffsetY = _dragApplied.Y;
+ _dragTransform.OffsetZ = _dragApplied.Z;
+ }
+
+ /// 放開:移除暫時 Transform,一次性烘進 B-rep(量測精度不受拖曳影響)
+ public bool OnDragEnd()
+ {
+ if (_dragRoot is null) return false;
+ ModelNodeViewModel root = _dragRoot;
+ Vector3D delta = _dragApplied;
+
+ foreach (ModelNodeViewModel l in root.Leaves())
+ if (l.BodyVisual is not null)
+ l.BodyVisual.Transform = null;
+ _dragRoot = null;
+ _dragTransform = null;
+ _dragApplied = default;
+ _edgesSuspended = false;
+ SetEdgesActive(true); // 恢復所有檔案的邊線(被拖檔案的點隨後由 TranslateRoot 更新,期間不會渲染)
+
+ if (delta.LengthSquared > 1e-12)
+ {
+ TranslateRoot(root, delta); // 烘進 B-rep + 網格 + 邊線 + 邊界(量測清空)
+ StatusText = $"已拖曳「{root.Name}」 Δ({delta.X:F2}, {delta.Y:F2}, {delta.Z:F2}) mm(可用 🧩干涉 驗證)";
+ }
+ return true;
+ }
+
// ─── 干涉檢查 ────────────────────────────────────────────────
[RelayCommand]