private bool ShouldAddLateralRoot(Root root, IPlantPartDescriptor descriptor, SimulationStateSnapshot snapshot)
{
// Determine if it should add new lateral root based on tick count
ulong tick = snapshot.CurrentTime;
uint tickCount = (uint)Options.Plant.RootTickStopGrowth.RandomNumberBetween();
bool atTick;
if (tickCount > 0)
{
atTick = tick % tickCount == 0 && tick > 0;
}
else
{
atTick = tick > 0;
}
// Determine if it should add new lateral root based on length
float newRootHeight = Options.Plant.NewRootLength.RandomNumberBetween();
int rootCount = root.Connections.Count() + 1;
float atHeight = descriptor.Height / newRootHeight;
bool isAtHeight = atHeight > rootCount;
return(atTick || isAtHeight);
}
private bool ShouldGrow(Internode internode, IPlantPartDescriptor descriptor)
{
var terminalHeight = Options.Plant.TerminalHeight.RandomNumberBetween();
var isBelowTerminalHeight = descriptor.Height <= terminalHeight;
return(!internode.HasUpperNode() && isBelowTerminalHeight);
}
private Node CreateNewUpperNode(Internode internode, IPlantPartDescriptor descriptor)
{
var node = nodePartFactory.CreateNode(internode, descriptor, true);
var upperInternode = internodeFactory.CreateInternode(descriptor.Top, node, 0, internode.BranchCount);
node.UpperInternode = upperInternode;
return(node);
}
private Vector3 CreateStemCenterVector(IPlantPartDescriptor descriptor)
{
bool spawnOnLeft = ShouldSpawnOnLeftSide();
float x = spawnOnLeft ? descriptor.MinX : descriptor.MaxX;
float y = descriptor.Top.Y;
float z = descriptor.Top.Z;
return(new Vector3(x, y, z));
}
private bool ShouldGrow(Root root, IPlantPartDescriptor descriptor, SimulationStateSnapshot snapshot)
{
var atHeight = descriptor.Height >= Options.Plant.TerminalHeight.RandomNumberBetween();
var atTick = snapshot.CurrentTime >= (uint)Options.Plant.RootTickStopGrowth.RandomNumberBetween();
var atTerminalHeight = descriptor.Height >= Options.Plant.TerminalRootLength.RandomNumberBetween();
return(!atTerminalHeight || !(atHeight || atTick));
}
private Vector3 CreateNewRootCenter(IPlantPartDescriptor descriptor)
{
bool left = ShouldSpawnOnLeft();
float x = left ? descriptor.MinX : descriptor.MaxX;
float y = descriptor.Bottom.Y;
float z = descriptor.Bottom.Z;
return(new Vector3(x, y, z));
}
private Root CreateNewRoot(IPlantPartDescriptor descriptor, Root root)
{
var center = CreateNewRootCenter(descriptor);
var branchCount = root.BranchCount + 1;
var newRoot = rootFactory.CreateRoot(center, branchCount);
return(newRoot);
}
private IEnumerable <IPlantCell> CreateNodeCells(IPlantPartDescriptor descriptor)
{
var top = descriptor.Top;
var bottom = new Vector3(top.X, top.Y, top.Z);
var polygon = new Vector2[0];
var face = new Face(polygon);
var geo = new CellGeometry(top, bottom, face);
var cell = cellFactory.CreateCell(PlantCellType.Parenchyma, geo, new Vacuole(), new CellWall());
return(new [] { cell });
}
private IEnumerable <Stem> CreateStems(IPlantPartDescriptor descriptor, Node node)
{
var amount = Options.Plant.StemsPerNode.RandomNumberBetween();
Stem[] stems = new Stem[amount];
for (int i = 0; i < amount; i++)
{
stems[i] = CreateStem(descriptor, node);
}
return(stems);
}
private IEnumerable <Petiole> CreatePetioles(IPlantPartDescriptor descriptor)
{
var amount = Options.Plant.PetiolesPerNode.RandomNumberBetween();
Petiole[] petioles = new Petiole[amount];
for (int i = 0; i < amount; i++)
{
petioles[i] = CreatePetiole(descriptor);
}
return(petioles);
}
public GenericNode CreateNode(Internode lowerInternode, IPlantPartDescriptor descriptor, bool withOptions)
{
var cells = CreateNodeCells(descriptor);
var node = new GenericNode(lowerInternode, cells, lowerInternode.BranchCount);
// If the node is created according to the options, then
// the created stems and petioles will be added to the lists
// above, otherwise they will just be empty lists.
if (withOptions)
{
node.Stems = CreateStems(descriptor, node);
node.Petioles = CreatePetioles(descriptor);
}
return(node);
}
private Petiole CreatePetiole(IPlantPartDescriptor descriptor)
{
bool spawnOnLeft = ShouldSpawnOnLeftSide();
Vector3 center;
if (spawnOnLeft)
{
center = new Vector3(descriptor.MinX, descriptor.Top.Y, descriptor.Top.Z);
}
else
{
center = new Vector3(descriptor.MaxX, descriptor.Top.Y, descriptor.Top.Z);
}
var length = Options.Plant.PetioleLength.RandomNumberBetween();
Vector3 direction = new Vector3(length, length, 0);
return(petioleFactory.CreatePetiole(center, direction));
}
private Stem CreateStem(IPlantPartDescriptor descriptor, Node node)
{
var center = CreateStemCenterVector(descriptor);
return(stemFactory.CreateStem(center, node));
}
private float ComputeThickness(IPlantPartDescriptor descriptor)
{
var top = descriptor.Top;
return(Vector2.Distance(new Vector2(top.X, top.Y), new Vector2(descriptor.MaxX, top.Y)));
}
