修改场景，去掉刚体

Assets/Scenes/Main.unity

@@ -137,7 +137,6 @@ GameObject:
   - component: {fileID: 547432240}
   - component: {fileID: 547432239}
   - component: {fileID: 547432238}
-  - component: {fileID: 547432237}
   - component: {fileID: 547432236}
   - component: {fileID: 547432244}
   m_Layer: 0
@@ -165,33 +164,6 @@ MonoBehaviour:
   enableCollision: 1
   isMov: 1
   isRot: 1
---- !u!54 &547432237
-Rigidbody:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 547432235}
-  serializedVersion: 4
-  m_Mass: 1
-  m_Drag: 0
-  m_AngularDrag: 0.05
-  m_CenterOfMass: {x: 0, y: 0, z: 0}
-  m_InertiaTensor: {x: 1, y: 1, z: 1}
-  m_InertiaRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_IncludeLayers:
-    serializedVersion: 2
-    m_Bits: 0
-  m_ExcludeLayers:
-    serializedVersion: 2
-    m_Bits: 0
-  m_ImplicitCom: 1
-  m_ImplicitTensor: 1
-  m_UseGravity: 0
-  m_IsKinematic: 0
-  m_Interpolate: 0
-  m_Constraints: 0
-  m_CollisionDetection: 0
 --- !u!136 &547432238
 CapsuleCollider:
   m_ObjectHideFlags: 0