Add support of 64-bits reals.

src/dynamics/joint/ball_joint.rs

@@ -1,29 +1,29 @@
-use crate::math::{Point, Vector};
+use crate::math::{Point, Real, Vector};
 
 #[derive(Copy, Clone)]
 #[cfg_attr(feature = "serde-serialize", derive(Serialize, Deserialize))]
 /// A joint that removes all relative linear motion between a pair of points on two bodies.
 pub struct BallJoint {
     /// Where the ball joint is attached on the first body, expressed in the first body local frame.
-    pub local_anchor1: Point<f32>,
+    pub local_anchor1: Point<Real>,
     /// Where the ball joint is attached on the first body, expressed in the first body local frame.
-    pub local_anchor2: Point<f32>,
+    pub local_anchor2: Point<Real>,
     /// The impulse applied by this joint on the first body.
     ///
     /// The impulse applied to the second body is given by `-impulse`.
-    pub impulse: Vector<f32>,
+    pub impulse: Vector<Real>,
 }
 
 impl BallJoint {
     /// Creates a new Ball joint from two anchors given on the local spaces of the respective bodies.
-    pub fn new(local_anchor1: Point<f32>, local_anchor2: Point<f32>) -> Self {
+    pub fn new(local_anchor1: Point<Real>, local_anchor2: Point<Real>) -> Self {
         Self::with_impulse(local_anchor1, local_anchor2, Vector::zeros())
     }
 
     pub(crate) fn with_impulse(
-        local_anchor1: Point<f32>,
-        local_anchor2: Point<f32>,
-        impulse: Vector<f32>,
+        local_anchor1: Point<Real>,
+        local_anchor2: Point<Real>,
+        impulse: Vector<Real>,
     ) -> Self {
         Self {
             local_anchor1,