Reactor (software)

Reactor is a physics engine from the Irish software company Havok for use in Autodesk 3ds Max.

Overview

Reactor shipped fully integrated with 3ds max from versions 5 to 2011. In 3ds max 2012, Reactor was replaced by a PhysX-based engine called MassFX.[1] Reactor was often used for realistic physics simulation that would be difficult or time-consuming to animate by hand.

Dynamics types

Reactor is capable of computing rigid body, soft body, cloth and rope collisions, and even all four types interacting with each other. A robust physics engine, reactor can handle several hundred rigid bodies interacting with each other without a problem on most computers. Reactor can also simulate dynamics of any supported type interacting with a water volume, including adjustable viscosity and depth, among other things.

Forces and constraints

Reactor includes a large number of forces that can be used in simulation, apart from the default gravity: springs, dashpots, motors, wind, fractures (breakable objects), even a "toy car" type, with definable body/axis/wheels. Reactor also has many constraints available, including hinges, point-to-point constraints, prismatic constraints, car-wheel constraints, point-to-path constraints, and even ragdoll constraints to realistically simulate a lifeless body. In addition, reactor is compatible with Space Warp modifiers in 3ds max.

gollark: There would be significant legal issues and also quite likely damage to the box.
gollark: Maybe you would be better off using quantum field theory. Except that doesn't have gravity/general relativity, only special relativity, so you should work out how to unify those?
gollark: We can just say in the technical and artistic merit video that "the robot's projectile trajectory handling maths has relativistic corrections in it and would thus be equipped to fire projectiles near the speed of light, if we actually needed that, had a way to accelerate things that fast, could do so without destroying everything, did not have interactions with the air to worry about, and could safely ignore quantum effects".
gollark: If you really want to you can apply special relativity, sure.
gollark: I don't *think* we need to consider air resistance significantly.

References
  1. "3ds Max 2012 released: new MassFX system overview". 2011-04-08. Retrieved 2011-06-08.


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