Fix the last few bugs and unbounded memory usage.

1 files changed, 10 insertions, 13 deletions

diff --git a/examples3d/debug_big_colliders3.rs b/examples3d/debug_big_colliders3.rs
index c2b62e2..956f36a 100644
--- a/examples3d/debug_big_colliders3.rs
+++ b/examples3d/debug_big_colliders3.rs
@@ -1,6 +1,6 @@
-use na::Point3;
+use na::{Point3, Vector3};
 use rapier3d::dynamics::{JointSet, RigidBodyBuilder, RigidBodySet};
-use rapier3d::geometry::{ColliderBuilder, ColliderSet};
+use rapier3d::geometry::{ColliderBuilder, ColliderSet, HalfSpace, SharedShape};
 use rapier_testbed3d::Testbed;
 
 pub fn init_world(testbed: &mut Testbed) {
@@ -14,30 +14,27 @@ pub fn init_world(testbed: &mut Testbed) {
     /*
      * Ground
      */
-    let ground_size = 100.0;
-    let ground_height = 0.1;
-
     let rigid_body = RigidBodyBuilder::new_static().build();
     let handle = bodies.insert(rigid_body);
-    let collider = ColliderBuilder::cuboid(ground_size, ground_height, ground_size)
-        .friction(1.5)
-        .build();
+    let halfspace = SharedShape::new(HalfSpace::new(Vector3::y_axis()));
+    let collider = ColliderBuilder::new(halfspace).build();
     colliders.insert(collider, handle, &mut bodies);
 
     let mut curr_y = 0.0;
-    let mut curr_width = 1_000.0;
+    let mut curr_width = 10_000.0;
 
-    for _ in 0..6 {
-        curr_y += curr_width;
+    for _ in 0..12 {
+        let curr_height = 0.1f32.min(curr_width);
+        curr_y += curr_height * 4.0;
 
         let rigid_body = RigidBodyBuilder::new_dynamic()
             .translation(0.0, curr_y, 0.0)
             .build();
         let handle = bodies.insert(rigid_body);
-        let collider = ColliderBuilder::cuboid(curr_width, curr_width, curr_width).build();
+        let collider = ColliderBuilder::cuboid(curr_width, curr_height, curr_width).build();
         colliders.insert(collider, handle, &mut bodies);
 
-        curr_width /= 10.0;
+        curr_width /= 5.0;
     }
 
     /*