Reactions User Guide



Download Windows Installer
Installation Instructions

System Requirements

  • Windows 8.1 or later
  • Cinema 4D integration requires R20 through R23
  • 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.


  • [Rake] Added constant module parameters for compile-time feature switches.
  • [Rake] Support static-if in struct/table declarations.
  • [Settings] Added Preferences/Show Viewport Framerate.
  • [Templates] Fixed broken Particles/Simple Fountain template.
  • [UI] Fixed occasional crash when closing secondary windows during playback.
  • [UI] Include origin and [1,1] when fitting curve to editor viewport.
  • [UI] Fixed crash if VolumeGrid stats UI was closed before defered update has completed.
  • [Viewport] Fixed stuttering viewport update during super real-time simulations.
  • [Voxelize] Ported particle voxelization from C++/CUDA to Rake
  • [Voxelize] Added separate intensity parameters for each object/channel pair.
  • [Voxelize] Support particle attributes as intensity inputs.