修复捕捉基点被丢弃

5 years ago · 0a8c663d2d
parent eb1d06cb6f
commit 0a8c663d2d
1 changed files with 9 additions and 3 deletions
--- a/src/Editor/SnapServices.ts
+++ b/src/Editor/SnapServices.ts
@ -274,15 +274,21 @@ export class SnapServices
                    () =>
                    {
                        let fIndex = this.m_SupportSnapPoints.findIndex(p => equalv3(p.Point, snapData.Point));
-                        if (fIndex > 0)//基点不移除
+                        if (fIndex !== -1)
                        {
-                            this.m_SupportSnapPoints.splice(fIndex, 1);
+                            if (!(fIndex === 0 && this.m_HasBasePoint))//基点不移除
+                                this.m_SupportSnapPoints.splice(fIndex, 1);
                        }
                        else
                        {
                            this.m_SupportSnapPoints.push(snapData);
                            if (this.m_SupportSnapPoints.length > 7)
-                                this.m_SupportSnapPoints.shift();
+                            {
+                                if (this.m_HasBasePoint)
+                                    this.m_SupportSnapPoints.splice(1, 1);
+                                else
+                                    this.m_SupportSnapPoints.shift();
+                            }
                        }
                        this.UpdateCrossCursor();
                    },