Method createGarbageSubdivMesh

tutorials/common/scenegraph/geometry_creation.cpp:631–663

  }

  Ref<SceneGraph::Node> SceneGraph::createGarbageSubdivMesh (int hash, size_t numFaces, bool mblur, Ref<MaterialNode> material)
  {
    RandomSampler sampler;
    RandomSampler_init(sampler,hash);
    Ref<SceneGraph::SubdivMeshNode> mesh = new SceneGraph::SubdivMeshNode(material,BBox1f(0,1),mblur?2:1);

    for (size_t i=0; i<numFaces; i++) 
    {
      const unsigned f = RandomSampler_getInt(sampler) % 20;
      mesh->verticesPerFace.push_back(f);
      for (size_t j=0; j<f; j++) 
      {
        mesh->position_indices.push_back((RandomSampler_getInt(sampler) % 32 == 0) ? RandomSampler_getUInt(sampler) : unsigned(mesh->numPositions()));

        const float x = cast_i2f(RandomSampler_getUInt(sampler));
        const float y = cast_i2f(RandomSampler_getUInt(sampler));
        const float z = cast_i2f(RandomSampler_getUInt(sampler));
        const float w = cast_i2f(RandomSampler_getUInt(sampler));
        mesh->positions[0].push_back(Vec3fa(Vec3ff(x,y,z,w)));

        if (mblur) 
        {
          const float x = cast_i2f(RandomSampler_getUInt(sampler));
          const float y = cast_i2f(RandomSampler_getUInt(sampler));
          const float z = cast_i2f(RandomSampler_getUInt(sampler));
          const float w = cast_i2f(RandomSampler_getUInt(sampler));
          mesh->positions[1].push_back(Vec3fa(Vec3ff(x,y,z,w)));
        }
      }
    }

    return mesh.dynamicCast<SceneGraph::Node>();
  }


  Ref<SceneGraph::Node> SceneGraph::createGarbagePointSet(int hash, size_t numPoints, bool mblur, Ref<MaterialNode> material)