0b7c3b34ec
* feat: migrate to glam whenever relevant + migrate testbed to kiss3d instead of bevy * chore: update changelog * Fix warnings and tests * Release v0.32.0
82 lines
2.1 KiB
Rust
82 lines
2.1 KiB
Rust
use rapier_testbed2d::Testbed;
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use rapier2d::prelude::*;
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pub fn init_world(testbed: &mut Testbed) {
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/*
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* World
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*/
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let mut bodies = RigidBodySet::new();
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let mut colliders = ColliderSet::new();
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let impulse_joints = ImpulseJointSet::new();
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let multibody_joints = MultibodyJointSet::new();
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let radius = 0.5;
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let grid_count = 25;
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let friction = 0.6;
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let max_count = grid_count * grid_count;
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/*
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* Ground
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*/
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let collider = ColliderBuilder::capsule_from_endpoints(
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Vector::new(-10.5, 0.0),
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Vector::new(10.5, 0.0),
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radius,
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)
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.friction(friction);
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colliders.insert(collider);
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let collider = ColliderBuilder::capsule_from_endpoints(
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Vector::new(-10.5, 0.0),
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Vector::new(-10.5, 20.5),
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radius,
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)
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.friction(friction);
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colliders.insert(collider);
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let collider = ColliderBuilder::capsule_from_endpoints(
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Vector::new(10.5, 0.0),
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Vector::new(10.5, 20.5),
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radius,
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)
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.friction(friction);
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colliders.insert(collider);
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let collider = ColliderBuilder::capsule_from_endpoints(
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Vector::new(-10.5, 20.5),
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Vector::new(10.5, 20.5),
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radius,
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)
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.friction(friction);
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colliders.insert(collider);
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/*
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* Create the spheres
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*/
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let mut row;
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let mut count = 0;
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let mut column = 0;
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while count < max_count {
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row = 0;
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for _ in 0..grid_count {
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let x = -8.75 + column as f32 * 18.0 / (grid_count as f32);
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let y = 1.5 + row as f32 * 18.0 / (grid_count as f32);
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let body = RigidBodyBuilder::dynamic()
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.translation(Vector::new(x, y))
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.gravity_scale(0.0);
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let body_handle = bodies.insert(body);
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let ball = ColliderBuilder::ball(radius).friction(friction);
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colliders.insert_with_parent(ball, body_handle, &mut bodies);
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count += 1;
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row += 1;
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}
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column += 1;
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}
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/*
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* Set up the testbed.
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*/
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testbed.set_world(bodies, colliders, impulse_joints, multibody_joints);
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testbed.look_at(Vec2::new(0.0, 2.5), 20.0);
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}
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