Simulation Layers
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Simulation layers provide a brand-new method to alter your terrain by utilizing extensive matter-based physics simulations for your World Creator terrains.
Each simulation layer is linked with a sediment layer, which stores the produced matter and upsamples it similarly to World Creator's base terrain with the . Then, each stage can continue to further simulate the sediment, providing the highest fidelity result at every resolution while also interacting with the filter system.
It's important to note that the area you set in the properties only refers to the spawning area. The simulation can go beyond the boundaries, allowing you to position sediment emitters on the terrain and let World Creator take care of the sediment's or fluid's realistic placement.
All simulation layers have the following several features in common:
Show Mask Shows the mask on the terrain.
Import/Export Allows you to import or export the mask.
Edit Allows you to edit the mask using brushes.
Spawn Level The level in which the sediment will be inserted on the terrain.
Spawn Amount The amount of sediment that will be spawned.
Iterations How many iterations the simulation will run for. Offers control for each level step.
World Creator currently offers the following simulations:
This simulates granular materials. It simulates the given matter with a particle-based system that moves the material from an unstable position downhill until a stable state is achieved and in the process fills up crevices and cracks.
The allows you to run a fluid simulation on your terrain in World Creator. Depending on the parameters it can be used to simulate basic water movement or other thicker liquids like lava. Additionally, it can be used to fill local depressions and thereby create lakes on your terrain which can then be textured with the Simulation Layer distribution.
The adds a thermal snow simulation to your terrain, that simulates snow downfall, melting, diffusion and avalanches.
The simulates larger particles on your terrain. Unlike most other simulation layers, it doesn't work with a set spawn amount that is inserted and then simulated, but instead adds a set number of elements at each level step (which also controls their size). Particles can be anything from procedural 2D splats to custom imported textures or even full 3D meshes.
