use perspective projection

src/main.rs

@@ -71,12 +71,19 @@ impl MainWindow {
 		let camera = OrbitalCamera {
 			position_yaw: PI / 4.,
 			position_pitch: PI / 6.,
-			distance: 1.0,
+			distance: 3.0,
 		};
+		let aspect = {
+			let size = output.size();
+			let w = size.width as f32;
+			let h = size.height as f32;
+			w / h
+		};
+		let perspective = Mat4::perspective_lh(PI / 3., aspect, 1e-2, 1e2);
 		self.pipeline.set_look(
 			&self.queue,
 			LookParams {
-				m: camera.transform(),
+				m: perspective * camera.transform(),
 			},
 		);
 		self.queue.submit([]); // flush buffer updates