Merge branch 'master' into split_geom

# Conflicts:
#	examples2d/sensor2.rs
#	examples3d/sensor3.rs
#	src/dynamics/integration_parameters.rs
#	src/dynamics/solver/parallel_island_solver.rs
#	src/dynamics/solver/velocity_constraint.rs
#	src/dynamics/solver/velocity_ground_constraint.rs
#	src_testbed/nphysics_backend.rs
#	src_testbed/physx_backend.rs
#	src_testbed/testbed.rs

3 files changed, 20 insertions, 13 deletions

diff --git a/examples2d/add_remove2.rs b/examples2d/add_remove2.rs
index a3d223d..0aeffbe 100644
--- a/examples2d/add_remove2.rs
+++ b/examples2d/add_remove2.rs
@@ -10,7 +10,7 @@ pub fn init_world(testbed: &mut Testbed) {
     let rad = 0.5;
 
     // Callback that will be executed on the main loop to handle proximities.
-    testbed.add_callback(move |window, physics, _, graphics, _| {
+    testbed.add_callback(move |mut window, mut graphics, physics, _, _| {
         let rigid_body = RigidBodyBuilder::new_dynamic()
             .translation(0.0, 10.0)
             .build();
@@ -19,7 +19,10 @@ pub fn init_world(testbed: &mut Testbed) {
         physics
             .colliders
             .insert(collider, handle, &mut physics.bodies);
-        graphics.add(window, handle, &physics.bodies, &physics.colliders);
+
+        if let (Some(graphics), Some(window)) = (&mut graphics, &mut window) {
+            graphics.add(*window, handle, &physics.bodies, &physics.colliders);
+        }
 
         let to_remove: Vec<_> = physics
             .bodies
@@ -31,7 +34,10 @@ pub fn init_world(testbed: &mut Testbed) {
             physics
                 .bodies
                 .remove(handle, &mut physics.colliders, &mut physics.joints);
-            graphics.remove_body_nodes(window, handle);
+
+            if let (Some(graphics), Some(window)) = (&mut graphics, &mut window) {
+                graphics.remove_body_nodes(*window, handle);
+            }
         }
     });
 
diff --git a/examples2d/platform2.rs b/examples2d/platform2.rs
index 20b2e59..afd4d64 100644
--- a/examples2d/platform2.rs
+++ b/examples2d/platform2.rs
@@ -60,13 +60,13 @@ pub fn init_world(testbed: &mut Testbed) {
     /*
      * Setup a callback to control the platform.
      */
-    testbed.add_callback(move |_, physics, _, _, time| {
+    testbed.add_callback(move |_, _, physics, _, run_state| {
         let platform = physics.bodies.get_mut(platform_handle).unwrap();
         let mut next_pos = *platform.position();
 
         let dt = 0.016;
-        next_pos.translation.vector.y += (time * 5.0).sin() * dt;
-        next_pos.translation.vector.x += time.sin() * 5.0 * dt;
+        next_pos.translation.vector.y += (run_state.time * 5.0).sin() * dt;
+        next_pos.translation.vector.x += run_state.time.sin() * 5.0 * dt;
 
         if next_pos.translation.vector.x >= rad * 10.0 {
             next_pos.translation.vector.x -= dt;
diff --git a/examples2d/sensor2.rs b/examples2d/sensor2.rs
index 6649a43..e53abe3 100644
--- a/examples2d/sensor2.rs
+++ b/examples2d/sensor2.rs
@@ -69,7 +69,7 @@ pub fn init_world(testbed: &mut Testbed) {
     testbed.set_body_color(sensor_handle, Point3::new(0.5, 1.0, 1.0));
 
     // Callback that will be executed on the main loop to handle proximities.
-    testbed.add_callback(move |_, physics, events, graphics, _| {
+    testbed.add_callback(move |_, mut graphics, physics, events, _| {
         while let Ok(prox) = events.intersection_events.try_recv() {
             let color = if prox.intersecting {
                 Point3::new(1.0, 1.0, 0.0)
@@ -79,12 +79,13 @@ pub fn init_world(testbed: &mut Testbed) {
 
             let parent_handle1 = physics.colliders.get(prox.collider1).unwrap().parent();
             let parent_handle2 = physics.colliders.get(prox.collider2).unwrap().parent();
-
-            if parent_handle1 != ground_handle && parent_handle1 != sensor_handle {
-                graphics.set_body_color(parent_handle1, color);
-            }
-            if parent_handle2 != ground_handle && parent_handle2 != sensor_handle {
-                graphics.set_body_color(parent_handle2, color);
+            if let Some(graphics) = &mut graphics {
+                if parent_handle1 != ground_handle && parent_handle1 != sensor_handle {
+                    graphics.set_body_color(parent_handle1, color);
+                }
+                if parent_handle2 != ground_handle && parent_handle2 != sensor_handle {
+                    graphics.set_body_color(parent_handle2, color);
+                }
             }
         }
     });