public GSTree(bool positionTree)
{
root = new GSTreeNode();
GSTreeNode left = new GSTreeNode();
GSTreeNode right = new GSTreeNode();
root.value = GSDictionaries.GetRandomDoubleArgFunction();
left.value = "(" + GetRandomFloat() + ")";
right.value = "(" + GetRandomFloat() + ")";
root.left = left;
root.right = right;
this.positionTree = positionTree;
}
public void MutateRandomNode()
{
List <GSTreeNode> nodes = new List <GSTreeNode>();
GSTreeTraverse.GetAllFunctionNodes(root, nodes);
System.Random rand = new System.Random();
GSTreeNode node = nodes[rand.Next(nodes.Count)];
if (GSDictionaries.BasicFunctions.ContainsKey(node.value) ||
GSDictionaries.DoubleArgFunctions.ContainsKey(node.value))
{
node.value = GSDictionaries.GetDifferentDoubleArgFunction(node.value);
}
else if (GSDictionaries.SingleArgFunctions.ContainsKey(node.value))
{
node.value = GSDictionaries.GetDifferentSingleArgFunction(node.value);
}
}
public void InsertRandomNode()
{
System.Random rand = new System.Random();
List <GSTreeNode> nodes = new List <GSTreeNode>();
GSTreeTraverse.GetDoubleArgFunctionNodes(root, nodes);
GSTreeNode selNode = nodes[rand.Next(nodes.Count)];
GSTreeNode tempNode = selNode.left;
GSTreeNode newNode = new GSTreeNode();
selNode.left = newNode;
if (rand.Next(0, 2) == 1)
{
newNode.value = GSDictionaries.GetRandomDoubleArgFunction();
newNode.left = tempNode;
newNode.right = new GSTreeNode();
string randValue;
if (rand.Next(0, 2) == 1)
{
randValue = "(" + GetRandomFloat() + ")";
}
else
{
if (positionTree)
{
randValue = "(" + GSDictionaries.GetRandomPositionVariable() + ")";
}
else
{
randValue = "(" + GSDictionaries.GetRandomColorVariable() + ")";
}
}
newNode.right.value = randValue;
}
else
{
newNode.value = GSDictionaries.GetRandomSingleArgFunction();
newNode.left = tempNode;
}
}
