1 files changed, 0 insertions, 46 deletions
diff --git a/src/constraint/beam.rs b/src/constraint/beam.rs
deleted file mode 100644
index c953920..0000000
--- a/src/constraint/beam.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-use nalgebra::{DVector, RowDVector};
-
-use crate::particle_system::{ParticleSystem, Scalar, N};
-
-use super::Constraint;
-
-pub struct BeamConstraint {
-    pub particle_ids: [usize; 2],
-    pub length: Scalar,
-
-    jacobian: RowDVector<Scalar>,
-}
-
-impl ParticleSystem {
-    pub fn add_beam_constraint(&mut self, particle_ids: [usize; 2]) {
-        let a = &self.particles[particle_ids[0]];
-        let b = &self.particles[particle_ids[1]];
-
-        self.constraints.push(Box::new(BeamConstraint {
-            particle_ids,
-            length: (a.position - b.position).norm(),
-            jacobian: RowDVector::zeros(self.particles.len() * N),
-        }));
-    }
-}
-
-impl Constraint for BeamConstraint {
-    fn get_particles(&self) -> Vec<usize> {
-        Vec::from(self.particle_ids)
-    }
-
-    fn c(&self, q: &DVector<Scalar>) -> Scalar {
-        let a = q.fixed_rows::<N>(self.particle_ids[0] * N);
-        let b = q.fixed_rows::<N>(self.particle_ids[1] * N);
-
-        (a - b).norm() - self.length
-    }
-
-    fn set_jacobian(&mut self, jacobian: RowDVector<Scalar>) {
-        self.jacobian = jacobian
-    }
-
-    fn jacobian_prev(&self) -> RowDVector<Scalar> {
-        self.jacobian.clone()
-    }
-}