fix hit test

fe/src/Map.ts

@@ -81,8 +81,9 @@ class Map extends egret.Sprite {
   public getCatchedRunners(x, y) {
     const catchedRunners = []
     Store.getState().runners.forEach(runner => {
-      if (runner.x === x && runner.y === y) {
-        catchedRunners.push(runner)  
+      const updatedRunner = this.runnerMap[runner.t_cid]
+      if (updatedRunner.x === x && updatedRunner.y === y) {
+        catchedRunners.push(updatedRunner)  
       } 
     })
     return catchedRunners
@@ -103,7 +104,7 @@ class Map extends egret.Sprite {
     })
     runners.forEach(runner => {
       if (this.touchArea.hitTestPoint(runner.x * gridWidth, runner.y * gridHeight)) {
-        runner.alpha = 1
+        this.runnerMap[runner.t_cid].alpha = 1
       }
     })
     this.getCatchedRunners(x, y).forEach(runner => {
@@ -130,7 +131,7 @@ class Map extends egret.Sprite {
         grid.alpha = 0
       })
       runners.forEach(runner => {
-        runner.alpha = 0
+        this.runnerMap[runner.t_cid].alpha = 0
       })
       this.touchArea.alpha = 0
       this.isShowingTouchArea = false