From be293853da068b28143f75bb19c59b3915fd35e6 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Wed, 9 Oct 2024 09:52:58 -0400
Subject: remove dead code

---
 layers.cpp | 67 --------------------------------------------------------------
 1 file changed, 67 deletions(-)
 delete mode 100644 layers.cpp

(limited to 'layers.cpp')

diff --git a/layers.cpp b/layers.cpp
deleted file mode 100644
index f8b3afd..0000000
--- a/layers.cpp
+++ /dev/null
@@ -1,67 +0,0 @@
-#include "balls.h"
-
-static vector<Collision> completeGraph(vector<Ball *> balls);
-static vector<Collision> matching(vector<Collision> edges);
-static vector<Collision> diff(vector<Collision> a, vector<Collision> b);
-
-vector<vector<Collision>>
-partitionCollisions(vector<Ball *> balls) {
-	vector<vector<Collision>> layers;
-
-	vector<Collision> collisions = completeGraph(balls);
-	while (!collisions.empty()) {
-		cout << "\nadd layer\n";
-		cout << "layers.size(): " << layers.size() << "\n";
-
-		vector<Collision> layerCollisions = matching(collisions);
-		cout << "layer collisions: ";
-		for (Collision c : layerCollisions)
-			cout << c << " ";
-		cout << "\n";
-		collisions = diff(collisions, layerCollisions);
-
-		vector<Collision> thisLayer;
-		for (Collision c : layerCollisions) {
-			cout << "create node with " << c << "\n";
-			thisLayer.push_back(c);
-		}
-		cout << "thisLayer.size(): " << thisLayer.size() << "\n";
-		layers.push_back(thisLayer);
-	}
-	return layers;
-}
-
-static vector<Collision>
-completeGraph(vector<Ball *> balls) {
-	vector<Collision> edges;
-	size_t i, j;
-
-	for (i = 0; i < balls.size(); i++)
-		for (j = i+1; j < balls.size(); j++)
-			edges.push_back(Collision(balls.at(i), balls.at(j)));
-	return edges;
-}
-
-static vector<Collision>
-matching(vector<Collision> edges) {
-	vector<Collision> matching;
-	size_t i;
-
-	for (Collision e : edges) {
-		for (i = 0; i < matching.size(); i++)
-			if (e.b1 == matching[i].b1 || e.b1 == matching[i].b2 || e.b2 == matching[i].b1 || e.b2 == matching[i].b2)
-				break;
-		if (i == matching.size()) /* no shared vertices */
-			matching.push_back(e);
-	}
-	return matching;
-}
-
-static vector<Collision>
-diff(vector<Collision> a, vector<Collision> b) {
-	vector<Collision> diff;
-	set_difference(a.begin(), a.end(),
-		b.begin(), b.end(),
-		inserter(diff, diff.begin()));
-	return diff;
-}
-- 
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