/// <summary>
/// is the other atom above this one
/// </summary>
/// <param name="other_atom"></param>
public float Above(nodeSpatial other_atom)
{
float dist = position[axis_vertical] - other_atom.position[axis_vertical];
if (dist > 0)
return(dist);
else
return(-1);
}
/// <summary>
/// returns the relative distance of atom1 from this atom compared to atom2
/// eg. "is X further away from you than Y?"
/// </summary>
/// <param name="other_atom"></param>
public float GetDistanceRelative(nodeSpatial atom1, nodeSpatial atom2)
{
// distance to the first atom
float dist1 = GetDistance(atom1);
// distance to the second atom
float dist2 = GetDistance(atom2);
return(dist1 - dist2);
}
/// <summary>
/// is the first atom more distant from this one than the second
/// if so return the relative distance
/// eg. "is X further away from you than Y?"
/// </summary>
/// <param name="other_atom"></param>
public float MoreDistant(nodeSpatial atom1, nodeSpatial atom2)
{
// distance to the first atom
float dist1 = GetDistance(atom1);
// distance to the second atom
float dist2 = GetDistance(atom2);
if (dist1 > dist2)
return(dist1 - dist2);
else
return(-1);
}
/// <summary>
/// returns the distance to another atom in 3D
/// </summary>
/// <param name="other_atom"></param>
public float GetDistance3D(nodeSpatial other_atom)
{
return(GetDistance(other_atom, 3));
}
/// <summary>
/// returns the distance to another atom
/// </summary>
/// <param name="other_atom"></param>
/// <param name="max_dimensions">maximum number of dimensions to use when calculating distance (for example you might want to restrict distance calculation to 2D)</param>
public float GetDistance(nodeSpatial other_atom, int max_dimensions)
{
float dist = 0;
for (int i = 0; i < max_dimensions; i++)
{
float diff = position[i] - other_atom.position[i];
dist += (diff * diff);
}
dist = (float)Math.Sqrt(dist);
return(dist);
}
/// <summary>
/// returns the distance to another atom
/// </summary>
/// <param name="other_atom"></param>
public float GetDistance(nodeSpatial other_atom)
{
// find the smallest number of dimensions
int dimensions = this.position.Length;
if (other_atom.position.Length < dimensions)
dimensions = other_atom.position.Length;
float dist = 0;
for (int i = 0; i < dimensions; i++)
{
float diff = position[i] - other_atom.position[i];
dist += (diff * diff);
}
dist = (float)Math.Sqrt(dist);
return(dist);
}
/// <summary>
/// is the first atom closer to this one than the second
/// if so return the relative distance
/// eg. "is X closer to you than Y?"
/// </summary>
/// <param name="other_atom"></param>
public float CloserTo(nodeSpatial atom1, nodeSpatial atom2)
{
// distance to the first atom
float dist1 = GetDistance(atom1);
// distance to the second atom
float dist2 = GetDistance(atom2);
if (dist1 < dist2)
return(dist2 - dist1);
else
return(-1);
}
/// <summary>
/// is the other atom at the same position as this, within some tollerance distance
/// </summary>
/// <param name="other_atom"></param>
public bool AtSamePosition(nodeSpatial other_atom, float tollerance)
{
float dist = GetDistance(other_atom);
if (dist < tollerance)
return(true);
else
return(false);
}
