init

examples/tree.rs

@@ -0,0 +1,37 @@
+use noders::{
+	display::display,
+	graph::{Graph, NodeId},
+};
+use rand::{SeedableRng, prelude::*};
+use rand_xorshift::XorShiftRng;
+
+fn main() {
+	let mut rng = XorShiftRng::seed_from_u64(111111111112111122);
+	let mut graph = Graph::empty();
+	let root = graph.node("ROOT");
+	branch(&mut graph, &mut rng, root, vec![], 7, 5);
+	dbg!(graph.nodes.len());
+	display(graph);
+}
+
+pub fn branch(
+	graph: &mut Graph,
+	rng: &mut XorShiftRng,
+	parent: NodeId,
+	path: Vec<usize>,
+	max_children: usize,
+	max_depth: usize,
+) {
+	if max_depth == 0 {
+		return;
+	}
+	let child_count = rng.random_range(0..max_children);
+	for index in 1..child_count {
+		let mut path = path.clone();
+		path.push(index);
+		let label = path.iter().map(ToString::to_string).collect::<Vec<_>>().join(".");
+		let child = graph.node(label);
+		graph.link(child, parent);
+		branch(graph, rng, child, path, max_children, max_depth - 1);
+	}
+}