1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
use rapier3d::prelude::*;
use rapier_testbed3d::Testbed;
pub fn init_world(testbed: &mut Testbed) {
/*
* World
*/
let mut bodies = RigidBodySet::new();
let mut colliders = ColliderSet::new();
let impulse_joints = ImpulseJointSet::new();
let multibody_joints = MultibodyJointSet::new();
/*
* Ground
*/
let ground_size = 20.;
let ground_height = 1.0;
let rigid_body = RigidBodyBuilder::fixed().translation(vector![0.0, -ground_height, 0.0]);
let handle = bodies.insert(rigid_body);
let collider = ColliderBuilder::cuboid(ground_size, ground_height, 2.0).restitution(1.0);
colliders.insert_with_parent(collider, handle, &mut bodies);
let num = 10;
let rad = 0.5;
for j in 0..2 {
for i in 0..=num {
let x = (i as f32) - num as f32 / 2.0;
let rigid_body = RigidBodyBuilder::dynamic().translation(vector![
x * 2.0,
10.0 * (j as f32 + 1.0),
0.0
]);
let handle = bodies.insert(rigid_body);
let collider = ColliderBuilder::ball(rad).restitution((i as f32) / (num as f32));
colliders.insert_with_parent(collider, handle, &mut bodies);
}
}
/*
* Set up the testbed.
*/
testbed.set_world(bodies, colliders, impulse_joints, multibody_joints);
testbed.look_at(point![0.0, 3.0, 30.0], point![0.0, 3.0, 0.0]);
}
|
