decompose rabbit + add warning against running in debug

crates/parry3d/examples/convex_decomposition.rs

@@ -21,7 +21,7 @@ async fn main() {
             position, objects, ..
         },
         ..
-    } = Obj::load("assets/tests/stairs.obj").unwrap();
+    } = Obj::load("assets/tests/low_poly_bunny.obj").unwrap();
 
     let bunny_mesh = TriMesh::with_flags(
         position
@@ -39,6 +39,16 @@ async fn main() {
     clear_background(BLACK);
 
     easy_draw_text("Please wait while convex decomposition is being computed...");
+    #[cfg(debug_assertions)]
+    {
+        macroquad::text::draw_text(
+            "Running in debug mode is way slower than with `--release`.",
+            10.0,
+            48.0 + 48.0,
+            30.0,
+            RED,
+        );
+    }
     next_frame().await;
     let mesh_vertices = bunny_mesh.vertices();
     let mesh_indices = bunny_mesh.indices();
@@ -49,15 +59,15 @@ async fn main() {
         clear_background(BLACK);
         let elapsed_time = get_time() as f32;
         let camera_pos = Vec3::new(
-            19f32 * elapsed_time.sin(),
-            12f32,
-            19f32 * elapsed_time.cos(),
+            5.5f32 * elapsed_time.sin(),
+            3f32,
+            5.5f32 * elapsed_time.cos(),
         );
         // Initialize 3D camera.
         set_camera(&Camera3D {
             position: camera_pos,
             up: Vec3::new(0f32, 1f32, 0f32),
-            target: Vec3::new(0f32, 4.5f32, 0f32),
+            target: Vec3::new(0f32, 1f32, 0f32),
             ..Default::default()
         });
 
@@ -68,7 +78,7 @@ async fn main() {
             /*
              * Display the shapes.
              */
-            let (r, g, b) = hue_to_rgb(i as f32 / shapes_count as f32);
+            let (r, g, b) = hue_to_rgb(i as f32 / 6 as f32);
             let mesh = mquad_mesh_from_points(
                 &trimesh_convex,
                 Vec3::new(1f32, 3f32, 3f32),
@@ -81,6 +91,8 @@ async fn main() {
             );
             draw_mesh(&mesh);
         }
+        set_default_camera();
+        easy_draw_text(&format!("Number of shapes: {}", shapes_count));
         next_frame().await
     }
 }