Reactions User Guide



Download Windows Installer
Installation Instructions

System Requirements

  • Windows 8.1 or later
  • Cinema 4D integration requires R20 or later
  • GPU simulation requires an Nvidia GPU with CUDA CC 3.5 or later (see
  • Redshift integration in standalone app requires Redshift v3.0.36.
    Redshift in C4D is unaffected by this requirement.


  • [C4D] Fixed: removing a C4D object did not remove the REA nodes mapped to its tags.
  • [C4D] Load icons for Reactions Tags an Objects menus.
  • [C4D] Made more modifier nodes available as C4D tags.
  • [DFG] Fixed crash in some cases when a chain of bundle ports contained unselected fibers.
  • [Examples] Added Collision Object.
  • [Particles] Added ParticleEmitter/Solver/Jitter Birth Time parameter.
  • [Rake] Support hex float literals.
  • [Rake] Fixed crash in some cases when switching device.
  • [UI] Fixed: viewport transform tool cycling was broken.
  • [Meshes] PolyMesh: make file paths relative to scene file.
  • [Volumes] Project Velocity: added Collision Channel and Iterations parameters.
  • [Volumes] Turbulence: added Vorticity Confinement.
  • [Volumes] VolumeGrid: added channel type Binary.
  • [Volumes] Voxelize: added solid voxelization.