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-rw-r--r--src/dynamics/integration_parameters.rs51
1 files changed, 29 insertions, 22 deletions
diff --git a/src/dynamics/integration_parameters.rs b/src/dynamics/integration_parameters.rs
index b31c3f6..8edf439 100644
--- a/src/dynamics/integration_parameters.rs
+++ b/src/dynamics/integration_parameters.rs
@@ -4,7 +4,7 @@
pub struct IntegrationParameters {
/// The timestep length (default: `1.0 / 60.0`)
dt: f32,
- /// The inverse of `dt`.
+ /// The inverse of `dt` (default: `60.0` steps per second).
inv_dt: f32,
// /// If `true` and if rapier is compiled with the `parallel` feature, this will enable rayon-based multithreading (default: `true`).
// ///
@@ -182,26 +182,33 @@ impl IntegrationParameters {
impl Default for IntegrationParameters {
fn default() -> Self {
- Self::new(
- 1.0 / 60.0,
- // true,
- 0.2,
- 0.2,
- 1.0,
- 1.0,
- 0.005,
- 0.001,
- 0.2,
- 0.2,
- 0.002,
- 0.2,
- 4,
- 1,
- 10,
- 1,
- false,
- false,
- false,
- )
+ Self {
+ dt: 1.0 / 60.0,
+ inv_dt: 60.0,
+ // multithreading_enabled: true,
+ erp: 0.2,
+ joint_erp: 0.2,
+ warmstart_coeff: 1.0,
+ restitution_velocity_threshold: 1.0,
+ allowed_linear_error: 0.005,
+ allowed_angular_error: 0.001,
+ max_linear_correction: 0.2,
+ max_angular_correction: 0.2,
+ prediction_distance: 0.002,
+ max_stabilization_multiplier: 0.2,
+ max_velocity_iterations: 4,
+ max_position_iterations: 1,
+ // FIXME: what is the optimal value for min_island_size?
+ // It should not be too big so that we don't end up with
+ // huge islands that don't fit in cache.
+ // However we don't want it to be too small and end up with
+ // tons of islands, reducing SIMD parallelism opportunities.
+ min_island_size: 128,
+ max_ccd_position_iterations: 10,
+ max_ccd_substeps: 1,
+ return_after_ccd_substep: false,
+ multiple_ccd_substep_sensor_events_enabled: false,
+ ccd_on_penetration_enabled: false,
+ }
}
}