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ForestPack 9.3.0

Tags:

Wind animation, tapered branches, branch rotation, grayscale-driven distribution maps, random scale by area, faster viewport painting, stability and performance improvements.

Forest Scatter​

New​

  • Added support of V-Ray 6 in 3DS Max 2026.
  • Added Distribution->Image->Use as Density Map. It lets you use Distribution Image as a grayscale density map, instead a black/white bitmap.
  • Added Random Scale by Area (min/max).
  • Paint/Erase mode can be changed dynamically in Paint areas holding Ctrl/Alt key respectively.

Improvements​

  • Surface->Scale to fix sloped areas is limited to 150% to avoid very large items on sloped terrains.
  • Context menu->Selector dialogs are larger and resizeable.

Fixes​

  • Fixed: Forest object rebuilds twice during IR frame change in Corona Renderer.
  • Fixed: Rare crash using Collisions Checking with large distributions.
  • Fixed: Distribution interference when using both Include and Exclude area Falloff.
  • Fixed: Error loading library presets with empty Custom Objects.

ForestIvy​

New​

  • Variable branch thickness using Min/Max Width and Scale Falloff parameters.
  • Added Growth->Branch Rotation (min/max). Rotates branches around the trunk.
  • Baselines can be extended by painting over their end.
  • Added Wind animation, using following parameters:
    • Growth->Enabled: enables animation globally.
    • Growth->Strength: global animation strength. Default 20%.
    • Growth->Loop (frames): animation speed. Faster with lower values. Default 300 frames.
    • Leaves->Strength: animation strength for selected layer. Default 100%.
    • Branches->Strength: animation strength for branches. Default 100%.
    • Display->Viewport->Display Animation: enables wind animation in viewport (disabled by default).
  • Improved behaviour of Surface->Mat.ID->Exclude. Now branches are pruned when they hit an excluded surface.

Fixes​

  • Fixed: ForestIvy->'Use Multithreading' generates different branches distribution when it's enabled or disabled.
  • Fixed bug which was generating different ivy distributions in render nodes.
    • Because of this fix, ForestIvy generates different random distributions in ForestPack 9.3, compared with ForestPack 9.2
    • Please Keep this in mind if you need to edit ForestIvy scenes created in ForestPack 9.2

Notes​

  • Branches distribution may change when enabling Wind Animation, because some features are incompatible with animation.
  • To keep existing distribution, it's possible to animate only the leaves, not the branches. This can be done setting Branches->Wind Animation->Strength to zero.
  • When Wind Animation is enabled, Growth->Death Distance is taken as the length of the hanging branch, not distance to the surface object.
  • Leaf placement is properly adjusted according to branch thickness.