Add compound shape support.

src_testbed/objects/capsule.rs

@@ -1,6 +1,6 @@
 use crate::objects::node::{self, GraphicsNode};
 use kiss3d::window;
-use na::Point3;
+use na::{Isometry3, Point3};
 use rapier::geometry::{self, ColliderHandle, ColliderSet};
 use rapier::math::Isometry;
 
@@ -9,11 +9,13 @@ pub struct Capsule {
     base_color: Point3<f32>,
     gfx: GraphicsNode,
     collider: ColliderHandle,
+    delta: Isometry3<f32>,
 }
 
 impl Capsule {
     pub fn new(
         collider: ColliderHandle,
+        delta: Isometry3<f32>,
         capsule: &geometry::Capsule,
         color: Point3<f32>,
         window: &mut window::Window,
@@ -30,6 +32,7 @@ impl Capsule {
             base_color: color,
             gfx: node,
             collider,
+            delta,
         };
 
         res.gfx.set_color(color.x, color.y, color.z);
@@ -50,7 +53,7 @@ impl Capsule {
             colliders,
             self.collider,
             &self.color,
-            &Isometry::identity(),
+            &self.delta,
         );
     }