Library & multiple binaries

Been playing with EGUI, and I'm gonna patch in a GUI app. The CLI
version will need to kick around, too, but be separate from the GUI one.
Enter: A multi-target crate!

Cargo.toml

@@ -5,6 +5,15 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[[bin]]
+name = "rustpt_cli"
+path = "src/cli_tool.rs"
+
+[[bin]]
+name = "rustpt_gui"
+path = "src/gui_tool.rs"
+
 [dependencies]
 rand = { version = "0.8.5", features = ["small_rng"] }
 itertools = { version = "0.11.0" }
+eframe = "0.25.0"

src/cli_tool.rs

@@ -1,18 +1,14 @@
 
-mod primitives;
+use rustpt::primitives::{
-mod scene;
-mod renderer;
-
-use crate::primitives::{
     Vec2i,
     Vec3,
 };
-use crate::scene::{
+use rustpt::scene::{
     Camera,
     Scene
 };
 
-use crate::renderer::{
+use rustpt::renderer::{
     Tile,
     RenderProperties,
 };

src/gui_tool.rs

@@ -0,0 +1,36 @@
+#![warn(clippy::all, rust_2018_idioms)]
+use eframe::{egui, Frame};
+
+fn main() -> Result<(), eframe::Error> {
+    let options = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default()
+            .with_inner_size([800.0, 600.0])
+            .with_min_inner_size([50.0, 50.0])
+            .with_title("RustPT GUI Tool"),
+            ..Default::default()
+    };
+    eframe::run_native(
+        "app name?",
+        options,
+    Box::new(
+        | cc | Box::new(RtApp::new(cc))
+    ))
+}
+
+#[derive(Default)]
+struct RtApp;
+
+impl RtApp {
+    fn new(cc: &eframe::CreationContext<'_>) -> Self {
+        Self::default()
+    }
+}
+
+impl eframe::App for RtApp {
+    fn update(&mut self, ctx: &egui::Context, frame: &mut Frame) {
+        egui::SidePanel::left("Render Properties").show(ctx, |ui| {
+            ui.heading("Render Properties");
+            ui.label("")
+        });
+    }
+}

src/lib.rs

@@ -0,0 +1,4 @@
+#![warn(clippy::all, rust_2018_idioms, rust_2018_compatibility)]
+pub mod primitives;
+pub mod scene;
+pub mod renderer;