A gas particle simulate one single particle in a gasoline system. Each particle is tracked individually and has a unique name. beside the name each particle has four parameters:
- position: The X/Y position of the particle relative to the center of the world
- velocity: the velocity of the particle. Unit: meters/second.
- force: the force with which the particle is moving around.
- mass: the mass of the particle. This parameter influence the forces it interacts with other items.