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| author | Sébastien Crozet <developer@crozet.re> | 2020-08-25 22:10:25 +0200 |
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| committer | Sébastien Crozet <developer@crozet.re> | 2020-08-25 22:10:25 +0200 |
| commit | 754a48b7ff6d8c58b1ee08651e60112900b60455 (patch) | |
| tree | 7d777a6c003f1f5d8f8d24f533f35a95a88957fe /examples3d/heightfield3.rs | |
| download | rapier-754a48b7ff6d8c58b1ee08651e60112900b60455.tar.gz rapier-754a48b7ff6d8c58b1ee08651e60112900b60455.tar.bz2 rapier-754a48b7ff6d8c58b1ee08651e60112900b60455.zip | |
First public release of Rapier.v0.1.0
Diffstat (limited to 'examples3d/heightfield3.rs')
| -rw-r--r-- | examples3d/heightfield3.rs | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/examples3d/heightfield3.rs b/examples3d/heightfield3.rs new file mode 100644 index 0000000..f9d4e49 --- /dev/null +++ b/examples3d/heightfield3.rs @@ -0,0 +1,78 @@ +use na::{DMatrix, Point3, Vector3}; +use rapier3d::dynamics::{JointSet, RigidBodyBuilder, RigidBodySet}; +use rapier3d::geometry::{ColliderBuilder, ColliderSet}; +use rapier_testbed3d::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 = Vector3::new(200.0, 1.0, 200.0); + let nsubdivs = 20; + + let heights = DMatrix::from_fn(nsubdivs + 1, nsubdivs + 1, |i, j| { + if i == 0 || i == nsubdivs || j == 0 || j == nsubdivs { + 10.0 + } else { + let x = i as f32 * ground_size.x / (nsubdivs as f32); + let z = j as f32 * ground_size.z / (nsubdivs as f32); + x.sin() + z.cos() + } + }); + + let rigid_body = RigidBodyBuilder::new_static().build(); + let handle = bodies.insert(rigid_body); + let collider = ColliderBuilder::heightfield(heights, ground_size).build(); + colliders.insert(collider, handle, &mut bodies); + + /* + * Create the cubes + */ + let num = 8; + let rad = 1.0; + + let shift = rad * 2.0 + rad; + let centerx = shift * (num / 2) as f32; + let centery = shift / 2.0; + let centerz = shift * (num / 2) as f32; + + for j in 0usize..47 { + for i in 0..num { + for k in 0usize..num { + let x = i as f32 * shift - centerx; + let y = j as f32 * shift + centery + 3.0; + let z = k as f32 * shift - centerz; + + // Build the rigid body. + let rigid_body = RigidBodyBuilder::new_dynamic().translation(x, y, z).build(); + let handle = bodies.insert(rigid_body); + + if j % 2 == 0 { + let collider = ColliderBuilder::cuboid(rad, rad, rad).density(1.0).build(); + colliders.insert(collider, handle, &mut bodies); + } else { + 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(Point3::new(100.0, 100.0, 100.0), Point3::origin()); +} + +fn main() { + let testbed = Testbed::from_builders(0, vec![("Boxes", init_world)]); + testbed.run() +} |
