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Core Concepts

PPG separates planet authoring into three connected parts:

  • Planet Data Asset: durable authoring data and generated biome map storage.
  • Material pipeline: custom PPG material nodes that describe elevation, biome masks, vertex colors, surface blending, water, and underwater rendering.
  • Runtime spawner: an actor that turns the data and materials into chunks, water meshes, foliage components, and optional cloud updates.