重新 使用碰撞来处理 抛射型技能逻辑处理

assets/resources/game/skills/ball_blue.prefab

@@ -32,10 +32,16 @@
       },
       {
         "__id__": 12
+      },
+      {
+        "__id__": 14
+      },
+      {
+        "__id__": 16
       }
     ],
     "_prefab": {
-      "__id__": 14
+      "__id__": 18
     },
     "_lpos": {
       "__type__": "cc.Vec3",
@@ -130,8 +136,8 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 40,
-      "height": 40
+      "width": 30,
+      "height": 30
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -216,8 +222,8 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 40,
-      "height": 40
+      "width": 30,
+      "height": 30
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -277,6 +283,74 @@
     "__type__": "cc.CompPrefabInfo",
     "fileId": "0cIZpMAklNUpGWSkPm4J6y"
   },
+  {
+    "__type__": "cc.RigidBody2D",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 15
+    },
+    "enabledContactListener": true,
+    "bullet": false,
+    "awakeOnLoad": true,
+    "_group": 4,
+    "_type": 1,
+    "_allowSleep": true,
+    "_gravityScale": 1,
+    "_linearDamping": 0,
+    "_angularDamping": 0,
+    "_linearVelocity": {
+      "__type__": "cc.Vec2",
+      "x": 0,
+      "y": 0
+    },
+    "_angularVelocity": 0,
+    "_fixedRotation": false,
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "ccPNQAiCJDoqdJPvSfaTSM"
+  },
+  {
+    "__type__": "cc.BoxCollider2D",
+    "_name": "",
+    "_objFlags": 0,
+    "__editorExtras__": {},
+    "node": {
+      "__id__": 1
+    },
+    "_enabled": true,
+    "__prefab": {
+      "__id__": 17
+    },
+    "tag": 0,
+    "_group": 4,
+    "_density": 1,
+    "_sensor": true,
+    "_friction": 0.2,
+    "_restitution": 0,
+    "_offset": {
+      "__type__": "cc.Vec2",
+      "x": 0.7,
+      "y": -0.8
+    },
+    "_size": {
+      "__type__": "cc.Size",
+      "width": 18.9,
+      "height": 17.5
+    },
+    "_id": ""
+  },
+  {
+    "__type__": "cc.CompPrefabInfo",
+    "fileId": "05cKFJkU1GF6qeXylYGSZ2"
+  },
   {
     "__type__": "cc.PrefabInfo",
     "root": {