ESC 键 / 自己连接自己

src/designer/menus/EditMenu.ts

@@ -1,7 +1,7 @@
 import { renderIcon } from '@/utils/webutils.ts'
 import { defineMenu } from '@/runtime/DefineMenu.ts'
 import SvgCode from '@/components/icons/SvgCode'
-import { quickCopyByMouse } from '@/model/ModelUtils.ts'
+import { escByKey, quickCopyByMouse } from '@/model/ModelUtils.ts'
 
 export default defineMenu((menus) => {
   menus.insertChildren('modelFile',
@@ -66,7 +66,7 @@ export default defineMenu((menus) => {
           {
             name: 'edit_property_esc', label: '取消', order: 1, tip: 'key-esc',
             click() {
-              system.msg('ESC')
+              escByKey()
             }
           },
           {

src/model/ModelUtils.ts

@@ -7,6 +7,17 @@ import { computeBoundsTree, disposeBoundsTree } from 'three-mesh-bvh'
 import { Vector2 } from 'three/src/math/Vector2'
 import type Toolbox from '@/model/itemType/Toolbox.ts'
 
+export function escByKey() {
+  // 按下 ESC 键，取消当前操作
+  const viewport: Viewport = window['viewport']
+  if (!viewport) {
+    return
+  }
+
+  viewport.state.cursorMode = 'normal'
+  system.msg('操作已取消')
+}
+
 export function quickCopyByMouse() {
   // 获取鼠标位置，查看鼠标是否在某个 viewport 的画布上，并取得该 viewport
   const currentMouseInfo = window['CurrentMouseInfo']

src/model/itemType/ToolboxLine.ts

@@ -71,7 +71,11 @@ export default class ToolboxLine extends Toolbox {
         }
       })
 
-      if (vv && catchPoint) {
+      if (catchPoint) {
+        if (this.startPoint === catchPoint) {
+          // 自己连接自己，忽略
+          return
+        }
         // 如果捕获到点，则将线条连接到该点
         if (this.startPoint) {
           this.afterAddPoint(this.startPoint, catchPoint)