How to smooth the blocks of a 3D voxel world?
In order to change the look/smoothness you change the density function and the threshold of the marching cubes algorithm.
How does downsampling a pointcloud with voxelgrid work?
The VoxelGrid class that we’re about to present creates a 3D voxel grid (think about a voxel grid as a set of tiny 3D boxes in space) over the input point cloud data. Then, in each voxel (i.e., 3D box), all the points present will be approximated (i.e., downsampled) with their centroid.
Which is better voxel mesh or Marching cube mesh?
In particular, the meshes you get from marching tetrahedra are typically about 4x larger than marching cubes. This makes both the algorithm and rendering about 4x slower. If your main consideration is performance, you may be better off using a cubical method.
When was the smooth voxel terrain first published?
It was originally published back in SIGGRAPH 87, and then summarily patented by the Lorensen and Cline. This fact has caused a lot of outrage, and is been widely cited as one of the classic examples of patents hampering innovation.
What’s the easiest way to make smooth terrain?
Although it focuses on 2d tiles with different textures the bottommost picture translates it to 3d. The simplest way to make “smooth” terrain would be to connect the faces with a diagonal line. Although I have not actually implemented this (but I will be soon) here is a good forum thread which has pictures of this implemented in games.
How to determine the mesh for a voxel?
It’s basically a technique that first determines which neighbors are the same as this voxel, then using a lookup table to determine the mesh for the given voxel in the given situation. There are multiple implementations, some due to older patent issues (marching tetrahedrons).
How to smoothing the terrain in Castle story?
The way I propose smoothing the terrain is by using rules to run through when creating the mesh for a block. This is how Castle Story does it and they have a very good blog post on it. Although it focuses on 2d tiles with different textures the bottommost picture translates it to 3d.
Why is there no fps on smooth voxel terrain?
There are at least a couple good reasons: First, is not necessarily a solid. This means that it is not always uniquely determined by its boundary, and that certain mass properties (like volume, inertia, momentum, etc.) may fail to be well defined.