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
67 lines
2.0 KiB
Rust
67 lines
2.0 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 extent = 1.0;
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let friction = 0.5;
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/*
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* Ground
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*/
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let ground_width = 66.0 * extent;
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let rigid_body = RigidBodyBuilder::fixed();
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let ground_handle = bodies.insert(rigid_body);
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let collider = ColliderBuilder::segment(
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Vector::new(-0.5 * 2.0 * ground_width, 0.0),
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Vector::new(0.5 * 2.0 * ground_width, 0.0),
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)
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.friction(friction);
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colliders.insert_with_parent(collider, ground_handle, &mut bodies);
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/*
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* Create the cubes
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*/
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for j in 0..3 {
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let mut count = 10;
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let offset = -20.0 * extent + 2.0 * (count as f32 + 1.0) * extent * j as f32;
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let mut y = extent;
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while count > 0 {
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for i in 0..count {
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let coeff = i as f32 - 0.5 * count as f32;
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let yy = if count == 1 { y + 2.0 } else { y };
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let position = Vector::new(2.0 * coeff * extent + offset, yy);
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let rigid_body = RigidBodyBuilder::dynamic().translation(position);
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let parent = bodies.insert(rigid_body);
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let collider = ColliderBuilder::cuboid(extent, extent)
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.density(if count == 1 {
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(j as f32 + 1.0) * 100.0
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} else {
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1.0
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})
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.friction(friction);
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colliders.insert_with_parent(collider, parent, &mut bodies);
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}
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count -= 1;
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y += 2.0 * extent;
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}
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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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