private bool ShouldMeshMerge(MeshSphereLocalLod mesh, Camera camera)
{
if (mesh.Level <= CoarsestLevel || mesh.Ring % 2 != 0 || mesh.Slice % 2 != 0)
{
return(false);
}
return((mesh.Center - camera.Position).LengthFast > SwitchingMultiplier / Math.Pow(2, mesh.Level - 1.5f));
}
private bool ShouldMeshSubdivide(MeshSphereLocalLod mesh, Camera camera)
{
if (mesh.Level >= FinestLevel)
{
return(false);
}
return((mesh.Center - camera.Position).LengthFast < SwitchingMultiplier / Math.Pow(2, mesh.Level));
}
private void Merge(MeshSphereLocalLod oldMesh)
{
var oldLevel = oldMesh.Level;
var slice = oldMesh.Slice;
var ring = oldMesh.Ring;
var oldSlicePos = slice / 2;
var oldRingPos = ring / 2;
RemoveLodComponent(oldLevel, slice, ring);
RemoveLodComponent(oldLevel, slice, ring + 1);
RemoveLodComponent(oldLevel, slice + 1, ring);
RemoveLodComponent(oldLevel, slice + 1, ring + 1);
AddLodComponent(oldLevel - 1, oldSlicePos, oldRingPos);
}
private void Split(MeshSphereLocalLod oldMesh)
{
var oldLevel = oldMesh.Level;
var slice = oldMesh.Slice;
var ring = oldMesh.Ring;
var oldSlicePos = slice * 2;
var oldRingPos = ring * 2;
RemoveLodComponent(oldLevel, slice, ring);
AddLodComponent(oldLevel + 1, oldSlicePos, oldRingPos);
AddLodComponent(oldLevel + 1, oldSlicePos, oldRingPos + 1);
AddLodComponent(oldLevel + 1, oldSlicePos + 1, oldRingPos);
AddLodComponent(oldLevel + 1, oldSlicePos + 1, oldRingPos + 1);
}
public LodOperation(MeshSphereLocalLod mesh, LodAction action)
{
Mesh = mesh;
Action = action;
}
