started adding spart, need to vendor and change it

Cargo.lock

@@ -336,8 +336,10 @@ dependencies = [
  "bevy",
  "dirs",
  "include_dir",
+ "ordered-float",
  "rusqlite",
  "rusqlite_migration",
+ "spart",
  "steel-core",
 ]
 
@@ -4793,6 +4795,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "spart"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a05d85e94c16e35b2f963dee2eaa6f6b2494ee5dad740b045b139c5614872d6"
+dependencies = [
+ "ordered-float",
+ "tracing",
+]
+
 [[package]]
 name = "spin"
 version = "0.10.0"

Cargo.toml

@@ -7,8 +7,10 @@ edition = "2024"
 bevy = { version = "0.18", default-features = false, features = ["2d"] }
 dirs = "6.0.0"
 include_dir = "0.7.4"
+ordered-float = "5.1.0"
 rusqlite = { version = "0.37", default-features = false, features = ["bundled", "blob", "functions", "jiff"] }
 rusqlite_migration = { version = "2.3.0", features = ["from-directory"] }
+spart = "0.5.0"
 steel-core = { git="https://github.com/mattwparas/steel.git", branch = "master" }
 
 # Enable a small amount of optimization in the dev profile.

src/geom.rs

@@ -0,0 +1,63 @@
+use std::cmp::Ordering;
+
+use bevy::prelude::*;
+use ordered_float::OrderedFloat;
+use spart::{geometry::BoundingVolume, rstar_tree::RStarTreeObject};
+
+#[derive(Debug, Clone)]
+pub struct Point {
+    pub point: Vec2,
+    pub entity: Entity,
+}
+
+impl PartialEq for Point {
+    fn eq(&self, other: &Self) -> bool {
+        OrderedFloat(self.point.x) == OrderedFloat(other.point.x)
+            && OrderedFloat(self.point.y) == OrderedFloat(other.point.y)
+            && self.entity == other.entity
+    }
+}
+
+impl PartialOrd for Point {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        match (OrderedFloat(self.point.x), OrderedFloat(self.point.y))
+            .partial_cmp(&(OrderedFloat(other.point.x), OrderedFloat(other.point.y)))
+        {
+            Some(Ordering::Equal) => self.entity.partial_cmp(&other.entity),
+            other => other,
+        }
+    }
+}
+
+impl RStarTreeObject for Point {
+    type B = PointBox;
+
+    fn mbr(&self) -> Self::B {
+        todo!()
+    }
+}
+
+#[derive(Debug, Clone)]
+pub struct PointBox;
+
+impl BoundingVolume for PointBox {
+    fn area(&self) -> f64 {
+        todo!()
+    }
+
+    fn union(&self, other: &Self) -> Self {
+        todo!()
+    }
+
+    fn intersects(&self, other: &Self) -> bool {
+        todo!()
+    }
+
+    fn overlap(&self, other: &Self) -> f64 {
+        todo!()
+    }
+
+    fn margin(&self) -> f64 {
+        todo!()
+    }
+}

src/main.rs

@@ -1,8 +1,8 @@
-//! Renders a 2D scene containing a single, moving sprite.
 use bevy::prelude::*;
 use db::init_db;
 
 mod db;
+mod geom;
 
 fn main() {
     App::new()
@@ -19,7 +19,7 @@ enum Direction {
 }
 
 fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
-    let conn = init_db().unwrap();
+    let _conn = init_db().unwrap();
     commands.spawn(Camera2d);
 
     commands.spawn((