private IEnumerator createSecondaryStructure(MoleculeRenderSettings settings, PrimaryStructureFrame frame, SecondaryStructure secondaryStructure)
{
for (int i = 0; i < primaryStructure.Chains().Count; i++)
{
Chain chain = primaryStructure.Chains()[i];
if (chain.ResidueType != StandardResidue.AminoAcid)
{
// UnityEngine.Debug.Log("Skipping secondary strucure. Non protein structures not currently supported.");
continue;
}
if (chain.MainChainResidues.Count < 2)
{
// UnityEngine.Debug.Log("Skipping secondary strucure. Protein structure doesn't have enough residues for mesh.");
continue;
}
Mesh structureMesh = BuildStructureMesh(settings, chain, frame, secondaryStructure);
GameObject structure = (GameObject)Instantiate(SecondaryStructurePrefab);
structure.GetComponent <MeshFilter>().sharedMesh = structureMesh;
structure.SetActive(false);
structure.transform.SetParent(StructureParent.transform, false);
yield return(null);
}
}
private IEnumerator createMainChains(PrimaryStructureFrame frame)
{
int interpolation = 5;
int resolution = 5; // should be in config
float radius = 0.015f;
int currentIndex = 0;
foreach (Chain chain in primaryStructure.Chains())
{
if (chain.ResidueType != StandardResidue.AminoAcid)
{
// UnityEngine.Debug.Log("Skipping main chain build. Non protein main chain not currently supported.");
continue;
}
List <Vector3> nodePositions = new List <Vector3>();
foreach (Atom atom in chain.MainChainAtoms)
{
// if no frame number use the base structure coordinates.
Vector3 position;
if (frame == null)
{
if (atom == null)
{
UnityEngine.Debug.Log("Main chain atom is null");
}
position = new Vector3(atom.Position.x, atom.Position.y, atom.Position.z);
}
else
{
position = new Vector3(frame.Coords[atom.Index * 3], frame.Coords[(atom.Index * 3) + 1], frame.Coords[(atom.Index * 3) + 2]);
}
// flip coord system for Unity
position.z *= -1;
nodePositions.Add(position);
}
List <DynamicMeshNode> nodes = new List <DynamicMeshNode>();
IEnumerable splinePoints = Interpolate.NewCatmullRom(nodePositions.ToArray(), interpolation, false);
Color32 chainColour = ChainColors[currentIndex % ChainColors.Length];
foreach (Vector3 position in splinePoints)
{
DynamicMeshNode node = new DynamicMeshNode();
node.Position = position;
node.VertexColor = chainColour;
nodes.Add(node);
}
DynamicMesh mesh = new DynamicMesh(nodes, radius, resolution, interpolation + 1);
Mesh chainMesh = mesh.Build(Settings.DebugFlag);
GameObject chainStructure = (GameObject)Instantiate(ChainPrefab);
chainStructure.GetComponent <MeshFilter>().sharedMesh = chainMesh;
chainStructure.SetActive(false);
chainStructure.transform.SetParent(ChainParent.transform, false);
currentIndex++;
yield return(null);
}
}
