43 lines
1.3 KiB
Rust
43 lines
1.3 KiB
Rust
use rapier3d::prelude::*;
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use rapier_testbed3d::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 rigid_body = RigidBodyBuilder::fixed();
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let handle = bodies.insert(rigid_body);
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let halfspace = SharedShape::new(HalfSpace::new(Vector::y_axis()));
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let collider = ColliderBuilder::new(halfspace);
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colliders.insert_with_parent(collider, handle, &mut bodies);
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let mut curr_y = 0.0;
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let mut curr_width = 10_000.0;
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for _ in 0..12 {
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let curr_height = 0.1f32.min(curr_width);
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curr_y += curr_height * 4.0;
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let rigid_body = RigidBodyBuilder::dynamic().translation(vector![0.0, curr_y, 0.0]);
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let handle = bodies.insert(rigid_body);
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let collider = ColliderBuilder::cuboid(curr_width, curr_height, curr_width);
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colliders.insert_with_parent(collider, handle, &mut bodies);
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curr_width /= 5.0;
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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(point![10.0, 10.0, 10.0], Point::origin());
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}
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