Fix collider insertion/removal tracking.

1 files changed, 6 insertions, 57 deletions

diff --git a/examples3d/debug_add_remove_collider3.rs b/examples3d/debug_add_remove_collider3.rs
index 9e13fb5..c8d72fc 100644
--- a/examples3d/debug_add_remove_collider3.rs
+++ b/examples3d/debug_add_remove_collider3.rs
@@ -13,17 +13,14 @@ pub fn init_world(testbed: &mut Testbed) {
     /*
      * Ground.
      */
-    let ground_size = 20.0;
+    let ground_size = 3.0;
     let ground_height = 0.1;
 
     let rigid_body = RigidBodyBuilder::new_static()
         .translation(0.0, -ground_height, 0.0)
         .build();
     let ground_handle = bodies.insert(rigid_body);
-    let collider = ColliderBuilder::cuboid(ground_size, ground_height, 0.4)
-        .friction(0.15)
-        // .restitution(0.5)
-        .build();
+    let collider = ColliderBuilder::cuboid(ground_size, ground_height, 0.4).build();
     let mut ground_collider_handle = colliders.insert(collider, ground_handle, &mut bodies);
 
     /*
@@ -32,65 +29,17 @@ pub fn init_world(testbed: &mut Testbed) {
     let ball_rad = 0.1;
     let rb = RigidBodyBuilder::new_dynamic()
         .translation(0.0, 0.2, 0.0)
-        .linvel(10.0, 0.0, 0.0)
         .build();
     let ball_handle = bodies.insert(rb);
     let collider = ColliderBuilder::ball(ball_rad).density(100.0).build();
     colliders.insert(collider, ball_handle, &mut bodies);
 
-    let mut linvel = Vector3::zeros();
-    let mut angvel = Vector3::zeros();
-    let mut pos = Isometry3::identity();
-    let mut step = 0;
-    let mut extra_balls = Vec::new();
-    let snapped_frame = 51;
-
     testbed.add_callback(move |window, physics, _, graphics, _| {
-        step += 1;
-
-        // Add a bigger ball collider
-        let collider = ColliderBuilder::ball(ball_rad + 0.01 * (step as f32))
-            .density(100.0)
-            .build();
-        let new_ball_collider_handle =
-            physics
-                .colliders
-                .insert(collider, ball_handle, &mut physics.bodies);
-        graphics.add_collider(window, new_ball_collider_handle, &physics.colliders);
-        extra_balls.push(new_ball_collider_handle);
-
-        // Snap the ball velocity or restore it.
-        let mut ball = physics.bodies.get_mut(ball_handle).unwrap();
-
-        if step == snapped_frame {
-            linvel = *ball.linvel();
-            angvel = *ball.angvel();
-            pos = *ball.position();
-        }
-
-        if step == 100 {
-            ball.set_linvel(linvel, true);
-            ball.set_angvel(angvel, true);
-            ball.set_position(pos, true);
-            step = snapped_frame;
-
-            for ball in &extra_balls {
-                physics.colliders.remove(*ball, &mut physics.bodies, true);
-            }
-
-            extra_balls.clear();
-        }
-
         // Remove then re-add the ground collider.
-        // let ground = physics.bodies.get_mut(ground_handle).unwrap();
-        // ground.set_position(Isometry3::translation(0.0, step as f32 * 0.001, 0.0), false);
-        // let coll = physics
-        //     .colliders
-        //     .remove(ground_collider_handle, &mut physics.bodies, true)
-        //     .unwrap();
-        let coll = ColliderBuilder::cuboid(ground_size, ground_height + step as f32 * 0.01, 0.4)
-            .friction(0.15)
-            .build();
+        let coll = physics
+            .colliders
+            .remove(ground_collider_handle, &mut physics.bodies, true)
+            .unwrap();
         ground_collider_handle = physics
             .colliders
             .insert(coll, ground_handle, &mut physics.bodies);