Forest Pack Effects May 2026

Forest Effects, a scripting engine within iToo Software's Forest Pack for 3ds Max, offers granular, math-based control over scattered objects to customize animation, transforms, and coloring. Users can leverage a library of pre-built effects for tasks like handling displaced surfaces or creating custom expressions for unique procedural adjustments. Read the full story at ronenbekerman.com Technical Scripter Environmental Environment Artist Scattering on displaced geometry - itoosoft

Using the Path distribution mode, you can scatter vehicles along a spline. The plugin will automatically align the cars to the curvature of the road. forest pack effects

  • Advanced Effect: If slope > 35 degrees, set scale to 0% (hide the tree). If slope is between 10 and 30 degrees, rotate the tree trunk to lean downhill.
  • The Visual Result: No more trees growing out of cliff faces.
  • Effect in Action: By applying a "Tint" effect that randomizes HSV (Hue, Saturation, Value) by +/- 5%, you introduce subtle reds, yellows, and browns. This noise breaks up the pattern, creating the optical illusion of a living, breathing ecosystem.

4.1 Procedural Wind

You don't need to rig every tree with bones. Using the Expression effect, you can drive the rotation of trees using a Sin/Cosine wave. Forest Effects, a scripting engine within iToo Software's

6. The "Volumetric" Effect: Haze and Underwater Particles

By scattering very small, semi-transparent spheres or particles, artists can simulate volumetric effects like fog, dust motes, or underwater plankton without the heavy render times of true volumetric fog. Advanced Effect: If slope > 35 degrees, set

The Setup:

History of Forest Packs

Title: "Morning in the Forest"