fix hit test

fe/src/Map.ts

@@ -33,10 +33,10 @@ class Map extends egret.Sprite {
     this.addChild(this.touchArea)
     Store.getState().runners.forEach(runnerData => {
       const runner = new Runner(runnerData)
-      this.addChild(runner)
       if (Store.isCatcher()) {
         runner.alpha === 0
       }
+      this.addChild(runner)
       this.runnerMap[runnerData.t_cid] = runner
     })
     EventBus.addEventListener('moving', (payload) => {
@@ -102,7 +102,8 @@ class Map extends egret.Sprite {
       grid.alpha = 1
     })
     runners.forEach(runner => {
-      if (this.touchArea.hitTestPoint(runner.x, runner.y)) {
+      console.log(this.touchArea.hitTestPoint(runner.x, runner.y), runner)
+      if (this.touchArea.hitTestPoint(runner.x * gridWidth, runner.y * gridHeight)) {
         runner.alpha = 1
       }
     })
@@ -130,7 +131,7 @@ class Map extends egret.Sprite {
         grid.alpha = 0
       })
       runners.forEach(runner => {
-        alpha = 0
+        runner.alpha = 0
       })
       this.touchArea.alpha = 0
       this.isShowingTouchArea = false