/// <summary>
/// Create a VoxelModel and add it to the renderer
/// </summary>
/// <param name="width">The width of the model in voxels</param>
/// <param name="height">The height of the model in voxels</param>
/// <param name="depth">The depth of the model in voxels</param>
/// <param name="transform">The transform of the model</param>
/// <returns>The created VoxelModel</returns>
public VoxelModel CreateModel(int width, int height, int depth, Transform transform)
{
VoxelModel model = new VoxelModel(_voxelData, _voxelData.Count, width, height, depth, transform);
_models.Add(model);
_modelData[0] = (ushort)_models.Count;
_modelData.AddRange(new [] { width, height, depth, model.Offset });
_voxelData.AddRange(new byte[model.Footprint]);
_modelTransformations.AddRange(
new [] {
model.Transform.CalculateInverseMatrix(),
model.Transform.CalculateMatrix(),
model.Transform.CalculateNormalMatrix()
});
return(model);
}
/// <summary>
/// Remove a model from the renderer
/// If this function returns true, using the model will result in undefined behaviour
/// </summary>
/// <param name="model">The model that needs to be removed</param>
/// <returns>If the removal was successful</returns>
public bool Remove(VoxelModel model)
{
int index = _models.FindIndex(0, m => m == model);
if (!_models.Remove(model))
{
return(false);
}
_voxelData.Erase(model.Offset, model.Footprint);
_modelData.Erase((index + 1) * 4, 4);
_modelTransformations.Erase(index * 3, 3);
for (int i = index; i < _models.Count; i++)
{
_models[i].Offset -= model.Footprint;
}
return(true);
}
