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| author | Sébastien Crozet <developer@crozet.re> | 2020-08-25 22:10:25 +0200 |
|---|---|---|
| committer | Sébastien Crozet <developer@crozet.re> | 2020-08-25 22:10:25 +0200 |
| commit | 754a48b7ff6d8c58b1ee08651e60112900b60455 (patch) | |
| tree | 7d777a6c003f1f5d8f8d24f533f35a95a88957fe /examples2d/balls2.rs | |
| download | rapier-754a48b7ff6d8c58b1ee08651e60112900b60455.tar.gz rapier-754a48b7ff6d8c58b1ee08651e60112900b60455.tar.bz2 rapier-754a48b7ff6d8c58b1ee08651e60112900b60455.zip | |
First public release of Rapier.v0.1.0
Diffstat (limited to 'examples2d/balls2.rs')
| -rw-r--r-- | examples2d/balls2.rs | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/examples2d/balls2.rs b/examples2d/balls2.rs new file mode 100644 index 0000000..4c85d86 --- /dev/null +++ b/examples2d/balls2.rs @@ -0,0 +1,68 @@ +use na::Point2; +use rapier2d::dynamics::{BodyStatus, JointSet, RigidBodyBuilder, RigidBodySet}; +use rapier2d::geometry::{ColliderBuilder, ColliderSet}; +use rapier_testbed2d::Testbed; + +pub fn init_world(testbed: &mut Testbed) { + /* + * World + */ + let mut bodies = RigidBodySet::new(); + let mut colliders = ColliderSet::new(); + let joints = JointSet::new(); + /* + * Ground + */ + let _ground_size = 25.0; + + /* + let ground_shape = ShapeHandle::new(Cuboid::new(Vector2::new(ground_size, 1.0))); + + let ground_handle = bodies.insert(Ground::new()); + let co = ColliderDesc::new(ground_shape) + .translation(-Vector2::y()) + .build(BodyPartHandle(ground_handle, 0)); + colliders.insert(co); + */ + + /* + * Create the balls + */ + let num = 50; + let rad = 1.0; + + let shiftx = rad * 2.5; + let shifty = rad * 2.0; + let centerx = shiftx * (num as f32) / 2.0; + let centery = shifty / 2.0; + + for i in 0..num { + for j in 0usize..num * 5 { + let x = i as f32 * shiftx - centerx; + let y = j as f32 * shifty + centery; + + let status = if j == 0 { + BodyStatus::Static + } else { + BodyStatus::Dynamic + }; + + // Build the rigid body. + let rigid_body = RigidBodyBuilder::new(status).translation(x, y).build(); + let handle = bodies.insert(rigid_body); + let collider = ColliderBuilder::ball(rad).density(1.0).build(); + colliders.insert(collider, handle, &mut bodies); + } + } + + /* + * Set up the testbed. + */ + testbed.set_world(bodies, colliders, joints); + testbed.look_at(Point2::new(0.0, 2.5), 5.0); +} + +fn main() { + let testbed = Testbed::from_builders(0, vec![("Balls", init_world)]); + testbed.run() +} |
