66 lines
2.3 KiB
Rust
66 lines
2.3 KiB
Rust
use rapier2d::prelude::*;
|
|
use rapier_testbed2d::Testbed;
|
|
|
|
pub fn init_world(testbed: &mut Testbed) {
|
|
/*
|
|
* World
|
|
*/
|
|
let mut bodies = RigidBodySet::new();
|
|
let mut colliders = ColliderSet::new();
|
|
let mut impulse_joints = ImpulseJointSet::new();
|
|
let multibody_joints = MultibodyJointSet::new();
|
|
|
|
/*
|
|
* Ground
|
|
*/
|
|
let ground_size = 0.75;
|
|
let ground_height = 0.1;
|
|
|
|
let rigid_body = RigidBodyBuilder::fixed().translation(vector![0.0, -ground_height]);
|
|
let floor_handle = bodies.insert(rigid_body);
|
|
let collider = ColliderBuilder::cuboid(ground_size, ground_height);
|
|
colliders.insert_with_parent(collider, floor_handle, &mut bodies);
|
|
|
|
let rigid_body =
|
|
RigidBodyBuilder::fixed().translation(vector![-ground_size - ground_height, ground_size]);
|
|
let floor_handle = bodies.insert(rigid_body);
|
|
let collider = ColliderBuilder::cuboid(ground_height, ground_size);
|
|
colliders.insert_with_parent(collider, floor_handle, &mut bodies);
|
|
|
|
let rigid_body =
|
|
RigidBodyBuilder::fixed().translation(vector![ground_size + ground_height, ground_size]);
|
|
let floor_handle = bodies.insert(rigid_body);
|
|
let collider = ColliderBuilder::cuboid(ground_height, ground_size);
|
|
colliders.insert_with_parent(collider, floor_handle, &mut bodies);
|
|
|
|
/*
|
|
* Character we will control manually.
|
|
*/
|
|
let rigid_body = RigidBodyBuilder::kinematic_position_based().translation(vector![0.0, 0.3]);
|
|
let character_handle = bodies.insert(rigid_body);
|
|
let collider = ColliderBuilder::cuboid(0.15, 0.3);
|
|
colliders.insert_with_parent(collider, character_handle, &mut bodies);
|
|
|
|
/*
|
|
* Tethered Ball
|
|
*/
|
|
let rad = 0.04;
|
|
|
|
let rigid_body = RigidBodyBuilder::new(RigidBodyType::Dynamic).translation(vector![1.0, 1.0]);
|
|
let child_handle = bodies.insert(rigid_body);
|
|
let collider = ColliderBuilder::ball(rad);
|
|
colliders.insert_with_parent(collider, child_handle, &mut bodies);
|
|
|
|
let joint = RopeJointBuilder::new()
|
|
.local_anchor2(point![0.0, 0.0])
|
|
.limits([2.0, 2.0]);
|
|
impulse_joints.insert(character_handle, child_handle, joint, true);
|
|
|
|
/*
|
|
* Set up the testbed.
|
|
*/
|
|
testbed.set_world(bodies, colliders, impulse_joints, multibody_joints);
|
|
testbed.set_character_body(character_handle);
|
|
testbed.look_at(point![0.0, 1.0], 100.0);
|
|
}
|