38 lines
1.1 KiB
Rust
38 lines
1.1 KiB
Rust
use rapier2d::prelude::*;
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use rapier_testbed2d::Testbed;
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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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/*
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* Ground
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*/
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let rad = 1.0;
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let rigid_body = RigidBodyBuilder::fixed()
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.translation(vector![0.0, -rad])
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.rotation(std::f32::consts::PI / 4.0);
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let handle = bodies.insert(rigid_body);
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let collider = ColliderBuilder::cuboid(rad, rad);
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colliders.insert_with_parent(collider, handle, &mut bodies);
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// Build the dynamic box rigid body.
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let rigid_body = RigidBodyBuilder::dynamic()
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.translation(vector![0.0, 3.0 * rad])
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.can_sleep(false);
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let handle = bodies.insert(rigid_body);
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let collider = ColliderBuilder::ball(rad);
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colliders.insert_with_parent(collider, handle, &mut bodies);
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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(point![0.0, 0.0], 50.0);
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}
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