         rightTree.physicsBody = SKPhysicsBody(rectangleOf: rightTree.size)
         rightTree.physicsBody?.categoryBitMask = PhysicsCategory.Environment
         rightTree.physicsBody?.contactTestBitMask = PhysicsCategory.LeftBomb | PhysicsCategory.RightBomb
+        rightTree.physicsBody?.collisionBitMask = PhysicsCategory.None
+        rightTree.physicsBody?.affectedByGravity = false
         addChild(rightTree)
     }
     

        //leftSquirrel.physicsBody?.isDynamic = false
        leftSquirrel.physicsBody?.categoryBitMask = PhysicsCategory.LeftSquirrel
        leftSquirrel.physicsBody?.contactTestBitMask = PhysicsCategory.RightBomb
        addChild(leftSquirrel)
        
        rightSquirrel.position = CGPoint(x: 307.839, y: -89.305)

        //rightSquirrel.physicsBody?.isDynamic = false
        rightSquirrel.physicsBody?.categoryBitMask = PhysicsCategory.RightSquirrel
        rightSquirrel.physicsBody?.contactTestBitMask = PhysicsCategory.LeftBomb
        rightSquirrel.physicsBody?.collisionBitMask = PhysicsCategory.Environment
        addChild(rightSquirrel)
        
        middleTree.position = CGPoint(x: 0, y: -4.238)
