{  
  "initializer": {    
    
    "lifetime": "1000",
    "alpha": "0",
    "size": "0.9"
  },
  "ticker": {
    "dy": "-0.7 - AGE*0.02",
    "alpha": "1"
  },
  "kill_on_contact": true,
  "liquid_affinity": "non_liquids",
  "random_sprite": true,
  "render_type": "translucent",
  "rotation_mode": "movement_aligned"
  
}