fix：力导向

src/View/renderer.ts

@@ -38,7 +38,7 @@ export class Renderer {
         this.shadowG6Instance = new Graph({
             container: DOMContainer.cloneNode() as HTMLElement
         });
-
+        // 力导向的配置选项
         const forceOption = {
             type: 'force',
             linkDistance: 100,         // 边长
@@ -51,6 +51,7 @@ export class Renderer {
             },
             center: [DOMContainer.offsetWidth / 2, DOMContainer.offsetHeight / 3],
         };
+        // 布局配置
         const layout = isForce ? forceOption : null;
         // 初始化g6实例
         this.g6Instance = new Graph({
@@ -65,7 +66,7 @@ export class Renderer {
             },
             modes: behaviorsModes,
             plugins: [tooltip],
-            layout,
+            layout, // 布局配置
         });
         /**
          * 固定被拖拽节点

src/engine.ts

@@ -53,15 +53,6 @@ export class Engine {
      * @param prevStep
      */
     public render(source: Sources) {
-<<<<<<< HEAD
-        if (source === undefined || source === null) {
-            return;
-        }
-        ``
-        let stringSource = JSON.stringify(source);
-        if (this.prevStringSource === stringSource) {
-            return;
-=======
         let isSameSources: boolean = false,
             layoutGroupTable: LayoutGroupTable;
 
@@ -74,7 +65,6 @@ export class Engine {
             
         if (this.prevStringSource === stringSource) {
             isSameSources = true;
->>>>>>> eac9d007bcc1b52fe573ddf6cb97030c9b2d3a6d
         }
 
         this.prevStringSource = stringSource;