From 3ddf2441ea6c43aa98718e0ce8650c3b804062d4 Mon Sep 17 00:00:00 2001 From: Sébastien Crozet Date: Sun, 14 Apr 2024 15:53:35 +0200 Subject: feat: add exact mlcp solver for pais of 2 constraints --- src/dynamics/integration_parameters.rs | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'src/dynamics/integration_parameters.rs') diff --git a/src/dynamics/integration_parameters.rs b/src/dynamics/integration_parameters.rs index 13b3fde..2788349 100644 --- a/src/dynamics/integration_parameters.rs +++ b/src/dynamics/integration_parameters.rs @@ -1,6 +1,9 @@ use crate::math::Real; use std::num::NonZeroUsize; +pub(crate) static BLOCK_SOLVER_ENABLED: bool = cfg!(feature = "dim2"); +pub(crate) static DISABLE_FRICTION_LIMIT_REAPPLY: bool = false; + /// Parameters for a time-step of the physics engine. #[derive(Copy, Clone, Debug)] #[cfg_attr(feature = "serde-serialize", derive(Serialize, Deserialize))] @@ -50,6 +53,8 @@ pub struct IntegrationParameters { pub num_additional_friction_iterations: usize, /// Number of internal Project Gauss Seidel (PGS) iterations run at each solver iteration (default: `1`). pub num_internal_pgs_iterations: usize, + /// The maximum number of stabilization iterations run at each solver iterations (default: `10`). + pub max_internal_stabilization_iterations: usize, /// Minimum number of dynamic bodies in each active island (default: `128`). pub min_island_size: usize, /// Maximum number of substeps performed by the solver (default: `1`). @@ -194,7 +199,7 @@ impl Default for IntegrationParameters { Self { dt: 1.0 / 60.0, min_ccd_dt: 1.0 / 60.0 / 100.0, - erp: 0.6, + erp: 0.8, damping_ratio: 1.0, joint_erp: 1.0, joint_damping_ratio: 1.0, @@ -202,6 +207,7 @@ impl Default for IntegrationParameters { max_penetration_correction: Real::MAX, prediction_distance: 0.002, num_internal_pgs_iterations: 1, + max_internal_stabilization_iterations: 10, num_additional_friction_iterations: 4, num_solver_iterations: NonZeroUsize::new(4).unwrap(), // TODO: what is the optimal value for min_island_size? -- cgit