List of All Members for Gravity

这是完整成员列表为 Gravity ，包括继承的成员。

• acceleration : real (obsolete)
• angle : real
• magnitude : real

The following members are inherited from Affector .

• enabled : bool
• groups : list<string>
• once : bool
• shape : Shape
• system : ParticleSystem
• whenCollidingWith : list<string>
• affected (real x , real y )