🐛 修复自环有时缩放视野时看不到的问题

Author: Littlefean

app/src/core/dataStruct/shape/Circle.tsx

@@ -31,8 +31,6 @@ export class Circle extends Shape {
   getRectangle(): Rectangle {
     const left = this.location.x - this.radius;
     const top = this.location.y - this.radius;
-    const right = this.location.x + this.radius;
-    const bottom = this.location.y + this.radius;
-    return new Rectangle(new Vector(left, top), new Vector(right, bottom));
+    return new Rectangle(new Vector(left, top), Vector.same(this.radius * 2));
   }
 }

app/src/core/render/canvas2d/renderer.tsx

@@ -282,6 +282,7 @@ export namespace Renderer {
   // 是否超出了视野之外
   export function isOverView(viewRectangle: Rectangle, entity: StageObject): boolean {
     if (!Camera.limitCameraInCycleSpace) {
+      // 如果没有开循环空间，就要看看是否超出了视野
       if (isRenderingChildStage) {
         if (!entity.collisionBox.getRectangle().isAbsoluteIn(viewRectangle)) {
           return true;
@@ -293,6 +294,7 @@ export namespace Renderer {
       }
       return false;
     }
+    // 如果开了循环空间，就永远不算超出视野
     return false;
   }
 
@@ -672,7 +674,7 @@ export namespace Renderer {
   function renderEdges(viewRectangle: Rectangle) {
     renderedEdges = 0;
     for (const association of StageManager.getAssociations()) {
-      if (!Camera.limitCameraInCycleSpace && isOverView(viewRectangle, association)) {
+      if (isOverView(viewRectangle, association)) {
         continue;
       }
       if (association instanceof LineEdge) {

app/src/core/stage/stageObject/association/EdgeCollisionBoxGetter.tsx

@@ -26,12 +26,8 @@ export namespace EdgeCollisionBoxGetter {
   export function getCollisionBox(edge: LineEdge): CollisionBox {
     if (edge.source.uuid === edge.target.uuid) {
       // 是一个自环，碰撞箱是圆形
-      return new CollisionBox([
-        new Circle(
-          edge.source.collisionBox.getRectangle().location,
-          edge.source.collisionBox.getRectangle().size.y / 2,
-        ),
-      ]);
+      const sourceEntityRect = edge.source.collisionBox.getRectangle();
+      return new CollisionBox([new Circle(sourceEntityRect.location, sourceEntityRect.size.y / 2)]);
     } else {
       if (currentStyle === "bezier") {
         return getBezierCollisionBox(edge);