private PlantNode AddNode(PlantNode parent, int index, Vector3 angle, PlantNode.NodeType nodeType)
{
var node = new PlantNode((new GameObject()).GetComponent <Transform>());
node.SetNode(index, parent.Depth + 1, config.thickness, nodeType, parent);
node.transform.localRotation = Quaternion.Euler(angle);
return(node);
}
/// <summary>
/// 再帰：ノード構成から付属情報を生成する
/// </summary>
private void BuildNodes(PlantNode node, Vector3 posRoot)
{
float scale = 1.0f - depthScale * node.Depth;
node.SetNodeJointPoints(posRoot, scale);
var children = node.children;
for (int i = children.Count; i-- > 0;)
{
BuildNodes(children[i], posRoot);
}
}
//spawn plant nodes
public void fillSector(GameObject node, int density)
{
Vector3 newPosition = transform.position + new Vector3(50, 0, 50);
GameObject plantCluster = Instantiate(node, newPosition, transform.rotation);
PlantNode scriptReference = plantCluster.GetComponent <PlantNode>();
for (int i = 0; i < density; i++)
{
scriptReference.spawnPlant();
}
Destroy(this.gameObject);
}
private void DrawNodes(PlantNode node)
{
if (node == null)
{
return;
}
var nodes = node.children;
if (nodes != null)
{
int len = nodes.Count;
for (int i = nodes.Count; i-- > 0;)
{
DrawNodes(nodes[i]);
}
}
node.DrawGizmos();
}
public PlantNode SetNode(int _index, int _depth, float _thickness, NodeType ntype, PlantNode _parent = null)
{
parent = _parent;
growLength = 0f;
index = _index;
depth = _depth;
nodeType = ntype;
thickness = _thickness;
if (parent != null)
{
transform.SetParent(parent.transform, true);
transform.localPosition = posZero;
transform.localScale = scaleOne;
parent.children.Add(this);
}
transform.name = ntype.ToString() + "_" + Index;
return(this);
}
public List <PlantNode> GetLeafs(PlantNode node)
{
List <PlantNode> result = new List <PlantNode>();
foreach (PlantNode pn in children)
{
if (pn != null)
{
result.AddRange(pn.GetLeafs(pn));
}
}
if (result.Count == 0)
{
if (nodeType == NodeType.Leaf)
{
result.Add(this);
}
}
return(result);
}
private PlantNode[] CreateNodes(char[] dna)
{
if (nodeOrigin != null)
{
ReleaseBones();
nodeOrigin = null;
}
var nodeList = new List <PlantNode>();
nodeOrigin = new PlantNode(boneOrigin);
nodeOrigin.SetNode(0, 0, config.thickness, PlantNode.NodeType.Origin);
nodeOrigin.transform.name = "origin";
nodeList.Add(nodeOrigin);
DecodeNodes(nodeList, nodeOrigin, dna, 0, angleZero);
depthScale = 0f;
if (maxDepth > 0)
{
depthScale = (1.0f - config.tipScale) / maxDepth;
}
BuildNodes(nodeOrigin, boneOrigin.position);
return(nodeList.ToArray());
}
/// <summary>
/// 再帰：設定からノードを構成する
/// </summary>
private int DecodeNodes(List <PlantNode> nodeList, PlantNode parent, char[] dna, int readPos, Vector3 angle)
{
char prev = ' ', code;
PlantNode node = parent;
while (readPos < dna.Length)
{
switch (code = dna[readPos++])
{
case 'F':
case 'G':
var len = Mathf.Lerp(config.distMin, config.distMax, random.Range(0f, 1f));
node = AddNode(node, nodeList.Count, angle, PlantNode.NodeType.Node);
nodeList.Add(node);
node.SetGrowLength(len);
angle = angleZero;
break;
case '[':
readPos = DecodeNodes(nodeList, node, dna, readPos, angle);
angle = angleZero;
break;
case ']':
if (node.transform.childCount <= 0)
{
node = AddNode(node, nodeList.Count, angleZero, PlantNode.NodeType.Terminal);
maxDepth = Mathf.Max(node.Depth, maxDepth);
nodeList.Add(node);
node = AddNode(node, nodeList.Count, angleZero, PlantNode.NodeType.Leaf);
nodeList.Add(node);
}
return(readPos);
case '+': //Left
angle += Vector3.Lerp(config.angleMin, config.angleMax, random.Range(0f, 1f));
angle = MathUtil.AngleRange360(angle);
break;
case '-': //Right
angle += -Vector3.Lerp(config.angleMin, config.angleMax, random.Range(0f, 1f));
angle = MathUtil.AngleRange360(angle);
break;
default:
//Log.Output("code:" + dna[readPos - 1]);
break;
}
prev = code;
}
if ((prev != '[') && (node.transform.childCount <= 0))
{
node = AddNode(node, nodeList.Count, angleZero, PlantNode.NodeType.Terminal);
maxDepth = Mathf.Max(node.Depth, maxDepth);
nodeList.Add(node);
node = AddNode(node, nodeList.Count, angleZero, PlantNode.NodeType.Leaf);
nodeList.Add(node);
}
return(readPos);
}