Game Development Reference
In-Depth Information
Physics
Even though agents are simulated with physics, not all of the agent's physics parameters are
enforced at the physics simulation level. The mass of an agent, for example, is the identical
mass used within the physics simulation itself, while the
MaxForce
and
MaxSpeed
func-
tions of an agent are only enforced by the agent. These two properties represent the maxim-
um amount of force an agent can exert on itself and the max speed the agent can reach
without any outside influences.
An intuitive example of why this separation is desirable when dealing with agent physics is
gravity. When an agent accelerates to its max speed, we still want gravity to accelerate the
agents downward in the case of falls. This acceleration can force agents to have a speed lar-
ger than their max speed property.
