去掉物理碰撞组件，英雄的移动改由系统逻辑统一处理

assets/resources/game/heros/my2.prefab

@@ -59,16 +59,10 @@
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-      {
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-      {
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       }
     ],
     "_prefab": {
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     "_lpos": {
       "__type__": "cc.Vec3",
@@ -1352,74 +1346,6 @@
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     "fileId": "14OhXRCixNOaApgow/hFbp"
   },
-  {
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-    "_name": "",
-    "_objFlags": 0,
-    "__editorExtras__": {},
-    "node": {
-      "__id__": 1
-    },
-    "_enabled": true,
-    "__prefab": {
-      "__id__": 86
-    },
-    "enabledContactListener": true,
-    "bullet": true,
-    "awakeOnLoad": true,
-    "_group": 4,
-    "_type": 1,
-    "_allowSleep": false,
-    "_gravityScale": 1,
-    "_linearDamping": 0,
-    "_angularDamping": 0,
-    "_linearVelocity": {
-      "__type__": "cc.Vec2",
-      "x": 0,
-      "y": 0
-    },
-    "_angularVelocity": 0,
-    "_fixedRotation": true,
-    "_id": ""
-  },
-  {
-    "__type__": "cc.CompPrefabInfo",
-    "fileId": "d8rVs6intBQ7lRU8Dw4zXV"
-  },
-  {
-    "__type__": "cc.BoxCollider2D",
-    "_name": "",
-    "_objFlags": 0,
-    "__editorExtras__": {},
-    "node": {
-      "__id__": 1
-    },
-    "_enabled": true,
-    "__prefab": {
-      "__id__": 88
-    },
-    "tag": 0,
-    "_group": 4,
-    "_density": 1,
-    "_sensor": false,
-    "_friction": 1,
-    "_restitution": 0,
-    "_offset": {
-      "__type__": "cc.Vec2",
-      "x": -1.8,
-      "y": 37.7
-    },
-    "_size": {
-      "__type__": "cc.Size",
-      "width": 50.8,
-      "height": 78.6
-    },
-    "_id": ""
-  },
-  {
-    "__type__": "cc.CompPrefabInfo",
-    "fileId": "b2Dt9lJI9FyJCDezkDBPBl"
-  },
   {
     "__type__": "a0379fmhvBHcbNcBF/l43O8",
     "_name": "",
@@ -1430,7 +1356,7 @@
     },
     "_enabled": true,
     "__prefab": {
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+      "__id__": 86
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     "anm": {
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@@ -1451,7 +1377,7 @@
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     "_enabled": true,
     "__prefab": {
-      "__id__": 92
+      "__id__": 88
     },
     "_id": ""
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@@ -1469,7 +1395,7 @@
     },
     "_enabled": true,
     "__prefab": {
-      "__id__": 94
+      "__id__": 90
     },
     "_id": ""
   },