automatic chunk marching

1 files changed, 15 insertions, 4 deletions

diff --git a/src/main.rs b/src/main.rs
index 640e5b9..586b456 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -120,10 +120,6 @@ impl App {
             && let Some(rbsm) = &mut self.rb_sim_manager
         {
             self.input.trigger_test_2 = false;
-            rbsm.test_add_collider_from_chunk(
-                Vec2::new((cx * CHUNK_SIZE) as f32, (cy * CHUNK_SIZE) as f32),
-                &world.chunks[*world.chunk_position_to_chunk_idx.get(&(cx, cy)).unwrap()],
-            );
         }
 
         // --TEST DRAWING--
@@ -202,7 +198,22 @@ impl App {
     // may be called multiple times if the physics time is behind
     // physics_delta_time is statically 1/PHYSICS_FPS
     fn physics_update(&mut self, physics_delta_time: f32) {
+        // before we move the rigidbodies, upsert the current terrain state
+        // TODO use the chunk sleeping, and make this range dynamic
         if let Some(physics_manager) = &mut self.rb_sim_manager {
+            if let Some(world) = &self.world {
+                for cx in -5..5 {
+                    for cy in -5..5 {
+                        if let Some(chunk) = world
+                            .chunk_position_to_chunk_idx
+                            .get(&(cx, cy))
+                            .map(|&idx| &world.chunks[idx])
+                        {
+                            physics_manager.upsert_chunk_collider(cx, cy, chunk);
+                        }
+                    }
+                }
+            }
             physics_manager.rb_tick(physics_delta_time);
         }
     }