public bool Act(double x, double y, double z, ref Voxel voxel)
{
double distance;
var pos = new Vector3d(x, y, z);
var orthogonalOntoLine = UMath.OrthogonalProjectionOntoLineNormalized(pos, start, direction);
var orthoDistanceToStart = Vector3d.Dot(direction, orthogonalOntoLine - start);
if (orthoDistanceToStart > 0 && orthoDistanceToStart < length)
{
distance = (orthogonalOntoLine - pos).Magnitude;
}
else
{
distance = Math.Min((start - pos).Magnitude, (end - pos).Magnitude);
}
if (dig)
{
voxel.Value = Math.Max(voxel.Value, (radius - distance) * voxelSizeInverse);
}
else
{
voxel.Value = Math.Min(voxel.Value, (distance - radius) * voxelSizeInverse);
}
if (voxelType != null && distance <= radius + 0.1)
{
voxel.VoxelType = voxelType;
return(true);
}
return(false);
}