metabuilder/gameengine/packages/seed/assets/cube_materials.json

{
  "materials": [
    {
      "id": "floor",
      "shader": "floor",
      "params": {
        "albedo": [0.5, 0.5, 0.5],
        "roughness": 0.7
      }
    },
    {
      "id": "lantern",
      "shader": "lantern",
      "params": {
        "emission": [1.0, 0.9, 0.6]
      }
    }
  ],
  "textures": [
    {
      "id": "noise",
      "path": "assets/noise_pattern.png"
    }
  ]
}