internal TreeBranch(float c_length, float angleClamp, float dropOff, int number,
Vector3 normal, Vector3 position, int depthCounter, Billboard b, TreeBranch parent, Tree root)
{
List<Vector3> points = new List<Vector3>();
Position = position;
Parent = parent;
Root = root;
for (int i = 0; i < number; ++i)
{
if (depthCounter > 0)
points.Add(getNext(c_length, angleClamp, normal) + position);
else
points.Add(getNext(c_length, angleClamp, normal) * 0.5f + position);
}
if (depthCounter > 0)
{
foreach(Vector3 point in points)
{
Children.Add(new TreeBranch(c_length * dropOff, angleClamp, dropOff, number,
(point - position).normalize(), point, depthCounter-1, b, this, root));
}
}
else
{
foreach(Vector3 leaf in points)
{
Children.Add(new TreeLeaf(leaf, b, this, root));
}
}
}
public Tree(Vector3 position, float treeHeight, float angleClamp, float dropOff, int number,
int depth, Billboard b)
{
args = new DrawArgs(null, new Color4(0, .5f, 0, 1f));
Root = new TreeBranch();
Root.Position = position;
var subr = new TreeBranch(treeHeight * dropOff, angleClamp, dropOff, number, new Vector3(0,1,0),
position + new Vector3(0, treeHeight, 0), depth, b, Root, this);
Root.Children.Add(subr);
Position = position;
}
internal TreeLeaf(Vector3 position, Billboard b, TreeBranch parent, Tree root)
{
Position = position;
leaf = b;
Parent = parent;
Root = root;
}