"template":{
    "x": 135,
    "y": 135,
    "r": 2,
    "dirx":0,
    "diry":-1,
    "vx": 0,
    "vy": 0,
    "child": {},        
    "link":{},
    "collisionDetection": "alwaysTrue",
    "effect": [],
    "behavior": ["movableBehavior","fallingBehavior","solid"]
}