// Protected methods /////////////////
protected virtual void Init(UltimateTerrain uTerrain)
{
converter = uTerrain.Converter;
var halfSize = new Vector3d(radius, radius, radius).Rounded;
halfSize.x += 1;
halfSize.y += 1;
halfSize.z += 1;
var startVoxelPos = start.Rounded;
var endVoxelPos = end.Rounded;
from = UMath.Min(startVoxelPos, endVoxelPos) - halfSize;
to = UMath.Max(startVoxelPos, endVoxelPos) + halfSize;
direction = (end - start).Normalized;
length = (end - start).Magnitude;
voxelSizeInverse = 1.0 / uTerrain.Params.SizeXVoxel;
}
