diff options
Diffstat (limited to 'examples3d')
| -rw-r--r-- | examples3d/platform3.rs | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/examples3d/platform3.rs b/examples3d/platform3.rs index 3836baf..bb71b76 100644 --- a/examples3d/platform3.rs +++ b/examples3d/platform3.rs @@ -65,21 +65,22 @@ pub fn init_world(testbed: &mut Testbed) { * Setup a callback to control the platform. */ testbed.add_callback(move |_, physics, _, _, time| { - let mut platform = physics.bodies.get_mut(platform_handle).unwrap(); - let mut next_pos = platform.position; + if let Some(mut platform) = physics.bodies.get_mut(platform_handle) { + let mut next_pos = platform.position; - let dt = 0.016; - next_pos.translation.vector.y += (time * 5.0).sin() * dt; - next_pos.translation.vector.z += time.sin() * 5.0 * dt; + let dt = 0.016; + next_pos.translation.vector.y += (time * 5.0).sin() * dt; + next_pos.translation.vector.z += time.sin() * 5.0 * dt; - if next_pos.translation.vector.z >= rad * 10.0 { - next_pos.translation.vector.z -= dt; - } - if next_pos.translation.vector.z <= -rad * 10.0 { - next_pos.translation.vector.z += dt; - } + if next_pos.translation.vector.z >= rad * 10.0 { + next_pos.translation.vector.z -= dt; + } + if next_pos.translation.vector.z <= -rad * 10.0 { + next_pos.translation.vector.z += dt; + } - platform.set_next_kinematic_position(next_pos); + platform.set_next_kinematic_position(next_pos); + } }); /* |