fix: Incorrect camera minimum distance and start distance

src/camera.rs

@@ -2,6 +2,8 @@ use bevy::{input::mouse::{AccumulatedMouseMotion, AccumulatedMouseScroll}, prelu
 use crate::grid::Grid;
 use std::{f32::consts::FRAC_PI_2,ops::Range};
 
+const MIN_DISTANCE: f32 = 1.;
+
 pub struct GameCameraPlugin;
 
 impl Plugin for GameCameraPlugin {
@@ -57,7 +59,18 @@ pub fn camera() -> impl Scene {
                         center.z + grid.size.z as f32 * 1.2).looking_at(center, Vec3::Y))
             }
         )
-        CameraOrbit
+        template(
+            |ctx| {
+                let grid = ctx.resource::<Grid>();
+                let center = grid.size.as_vec3() * 0.5;
+                Ok(CameraOrbit {
+                    distance: vec3(
+                        center.x + grid.size.x as f32 * 1.2, 
+                        grid.size.y as f32 * 1.2, 
+                        center.z + grid.size.z as f32 * 1.2).length(),
+                    ..default()
+                })
+            })
     }
 }
 
@@ -97,12 +110,8 @@ pub fn orbit(
     }
 
     let center = grid.size.as_vec3() * 0.5;
-    let min_distance = vec3(
-            center.x + grid.size.x as f32 * 1.2, 
-            grid.size.y as f32 * 1.2, 
-            center.z + grid.size.z as f32 * 1.2).length();
 
-    orbit.distance = (orbit.distance-mouse_scroll.delta.y).max(min_distance);
+    orbit.distance = (orbit.distance-mouse_scroll.delta.y).max(MIN_DISTANCE);
 
     transform.translation = center + orbit.center_offset -transform.forward() * orbit.distance;
 }