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authorCrozet Sébastien <developer@crozet.re>2021-01-04 15:14:25 +0100
committerCrozet Sébastien <developer@crozet.re>2021-01-04 15:14:25 +0100
commitaa61fe65e3ff0289ecab57b4053a3410cf6d4a87 (patch)
treea2ab513f43d779e4eb1c0edcd2a6e734b3fa4470 /src/dynamics/integration_parameters.rs
parenta1aa8855f76168d8af14244a54c9f28d15696342 (diff)
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Add support of 64-bits reals.
Diffstat (limited to 'src/dynamics/integration_parameters.rs')
-rw-r--r--src/dynamics/integration_parameters.rs56
1 files changed, 29 insertions, 27 deletions
diff --git a/src/dynamics/integration_parameters.rs b/src/dynamics/integration_parameters.rs
index b31c3f6..706fb3f 100644
--- a/src/dynamics/integration_parameters.rs
+++ b/src/dynamics/integration_parameters.rs
@@ -1,11 +1,13 @@
+use crate::math::Real;
+
/// Parameters for a time-step of the physics engine.
#[derive(Clone)]
#[cfg_attr(feature = "serde-serialize", derive(Serialize, Deserialize))]
pub struct IntegrationParameters {
/// The timestep length (default: `1.0 / 60.0`)
- dt: f32,
+ dt: Real,
/// The inverse of `dt`.
- inv_dt: f32,
+ inv_dt: Real,
// /// If `true` and if rapier is compiled with the `parallel` feature, this will enable rayon-based multithreading (default: `true`).
// ///
// /// This parameter is ignored if rapier is not compiled with is `parallel` feature.
@@ -19,31 +21,31 @@ pub struct IntegrationParameters {
pub return_after_ccd_substep: bool,
/// The Error Reduction Parameter in `[0, 1]` is the proportion of
/// the positional error to be corrected at each time step (default: `0.2`).
- pub erp: f32,
+ pub erp: Real,
/// The Error Reduction Parameter for joints in `[0, 1]` is the proportion of
/// the positional error to be corrected at each time step (default: `0.2`).
- pub joint_erp: f32,
+ pub joint_erp: Real,
/// Each cached impulse are multiplied by this coefficient in `[0, 1]`
/// when they are re-used to initialize the solver (default `1.0`).
- pub warmstart_coeff: f32,
+ pub warmstart_coeff: Real,
/// Contacts at points where the involved bodies have a relative
/// velocity smaller than this threshold wont be affected by the restitution force (default: `1.0`).
- pub restitution_velocity_threshold: f32,
+ pub restitution_velocity_threshold: Real,
/// Amount of penetration the engine wont attempt to correct (default: `0.001m`).
- pub allowed_linear_error: f32,
+ pub allowed_linear_error: Real,
/// The maximal distance separating two objects that will generate predictive contacts (default: `0.002`).
- pub prediction_distance: f32,
+ pub prediction_distance: Real,
/// Amount of angular drift of joint limits the engine wont
/// attempt to correct (default: `0.001rad`).
- pub allowed_angular_error: f32,
+ pub allowed_angular_error: Real,
/// Maximum linear correction during one step of the non-linear position solver (default: `0.2`).
- pub max_linear_correction: f32,
+ pub max_linear_correction: Real,
/// Maximum angular correction during one step of the non-linear position solver (default: `0.2`).
- pub max_angular_correction: f32,
+ pub max_angular_correction: Real,
/// Maximum nonlinear SOR-prox scaling parameter when the constraint
/// correction direction is close to the kernel of the involved multibody's
/// jacobian (default: `0.2`).
- pub max_stabilization_multiplier: f32,
+ pub max_stabilization_multiplier: Real,
/// Maximum number of iterations performed by the velocity constraints solver (default: `4`).
pub max_velocity_iterations: usize,
/// Maximum number of iterations performed by the position-based constraints solver (default: `1`).
@@ -88,18 +90,18 @@ pub struct IntegrationParameters {
impl IntegrationParameters {
/// Creates a set of integration parameters with the given values.
pub fn new(
- dt: f32,
+ dt: Real,
// multithreading_enabled: bool,
- erp: f32,
- joint_erp: f32,
- warmstart_coeff: f32,
- restitution_velocity_threshold: f32,
- allowed_linear_error: f32,
- allowed_angular_error: f32,
- max_linear_correction: f32,
- max_angular_correction: f32,
- prediction_distance: f32,
- max_stabilization_multiplier: f32,
+ erp: Real,
+ joint_erp: Real,
+ warmstart_coeff: Real,
+ restitution_velocity_threshold: Real,
+ allowed_linear_error: Real,
+ allowed_angular_error: Real,
+ max_linear_correction: Real,
+ max_angular_correction: Real,
+ prediction_distance: Real,
+ max_stabilization_multiplier: Real,
max_velocity_iterations: usize,
max_position_iterations: usize,
max_ccd_position_iterations: usize,
@@ -140,7 +142,7 @@ impl IntegrationParameters {
/// The current time-stepping length.
#[inline(always)]
- pub fn dt(&self) -> f32 {
+ pub fn dt(&self) -> Real {
self.dt
}
@@ -148,7 +150,7 @@ impl IntegrationParameters {
///
/// This is zero if `self.dt` is zero.
#[inline(always)]
- pub fn inv_dt(&self) -> f32 {
+ pub fn inv_dt(&self) -> Real {
self.inv_dt
}
@@ -156,7 +158,7 @@ impl IntegrationParameters {
///
/// This automatically recompute `self.inv_dt`.
#[inline]
- pub fn set_dt(&mut self, dt: f32) {
+ pub fn set_dt(&mut self, dt: Real) {
assert!(dt >= 0.0, "The time-stepping length cannot be negative.");
self.dt = dt;
if dt == 0.0 {
@@ -170,7 +172,7 @@ impl IntegrationParameters {
///
/// This automatically recompute `self.dt`.
#[inline]
- pub fn set_inv_dt(&mut self, inv_dt: f32) {
+ pub fn set_inv_dt(&mut self, inv_dt: Real) {
self.inv_dt = inv_dt;
if inv_dt == 0.0 {
self.dt = 0.0