aboutsummaryrefslogtreecommitdiff
path: root/examples2d
diff options
context:
space:
mode:
Diffstat (limited to 'examples2d')
-rw-r--r--examples2d/joint_motor_position2.rs44
1 files changed, 38 insertions, 6 deletions
diff --git a/examples2d/joint_motor_position2.rs b/examples2d/joint_motor_position2.rs
index a701bd0..c44ea13 100644
--- a/examples2d/joint_motor_position2.rs
+++ b/examples2d/joint_motor_position2.rs
@@ -22,20 +22,52 @@ pub fn init_world(testbed: &mut Testbed) {
colliders.insert_with_parent(collider, ground_handle, &mut bodies);
/*
- * A rectangle on a motor
+ * A rectangle on a motor with target position.
*/
for num in 0..9 {
let x_pos = -6.0 + 1.5 * num as f32;
- let rigid_body = RigidBodyBuilder::dynamic().translation(vector![x_pos, 2.0]);
+ let rigid_body = RigidBodyBuilder::dynamic()
+ .translation(vector![x_pos, 2.0])
+ .rotation(std::f32::consts::PI)
+ .can_sleep(false);
let handle = bodies.insert(rigid_body);
let collider = ColliderBuilder::cuboid(0.1, 0.5);
colliders.insert_with_parent(collider, handle, &mut bodies);
let joint = RevoluteJointBuilder::new()
- .local_anchor2(point![x_pos, 1.5])
- .local_anchor1(point![0.0, -0.5])
- .motor_position(std::f32::consts::PI / 4.0 * num as f32, 100.0, 15.0);
- impulse_joints.insert(handle, ground_handle, joint, true);
+ .local_anchor1(point![x_pos, 1.5])
+ .local_anchor2(point![0.0, -0.5])
+ .motor_position(
+ (std::f32::consts::PI - std::f32::consts::PI / 4.0 * num as f32),
+ 1000.0,
+ 150.0,
+ );
+ impulse_joints.insert(ground_handle, handle, joint, true);
+ }
+
+ /*
+ * A rectangle on a motor with limits.
+ */
+ for num in 2..3 {
+ let x_pos = -6.0 + 1.5 * num as f32;
+ let rigid_body = RigidBodyBuilder::dynamic()
+ .translation(vector![x_pos, 5.0])
+ .angvel(4.0)
+ .can_sleep(false);
+ let handle = bodies.insert(rigid_body);
+ let collider = ColliderBuilder::cuboid(0.1, 0.5);
+ colliders.insert_with_parent(collider, handle, &mut bodies);
+
+ let joint = RevoluteJointBuilder::new()
+ .local_anchor1(point![x_pos, 5.0])
+ .local_anchor2(point![0.0, -0.5])
+ .motor_velocity(1.5, 30.0)
+ .motor_max_force(100.0)
+ .limits([
+ -std::f32::consts::PI,
+ std::f32::consts::PI / 4.0 * num as f32,
+ ]);
+ impulse_joints.insert(ground_handle, handle, joint, true);
}
/*