Switch to [u32; DIM] instead of Point<u32> for element indices.

src_testbed/objects/convex.rs

@@ -21,7 +21,7 @@ impl Convex {
         body: ColliderHandle,
         delta: Isometry<f32>,
         vertices: Vec<Point<f32>>,
-        #[cfg(feature = "dim3")] indices: Vec<Point<u32>>,
+        #[cfg(feature = "dim3")] indices: Vec<[u32; 3]>,
         color: Point3<f32>,
         window: &mut Window,
     ) -> Convex {
@@ -35,9 +35,9 @@ impl Convex {
             let mut mesh_indices = Vec::new();
             for idx in indices {
                 let i = mesh_vertices.len() as u16;
-                mesh_vertices.push(vertices[idx.x as usize]);
-                mesh_vertices.push(vertices[idx.y as usize]);
-                mesh_vertices.push(vertices[idx.z as usize]);
+                mesh_vertices.push(vertices[idx[0] as usize]);
+                mesh_vertices.push(vertices[idx[1] as usize]);
+                mesh_vertices.push(vertices[idx[2] as usize]);
                 mesh_indices.push(Point3::new(i, i + 1, i + 2));
             }
 

src_testbed/objects/heightfield.rs

@@ -55,7 +55,10 @@ impl HeightField {
         use std::rc::Rc;
 
         let (vertices, indices) = heightfield.to_trimesh();
-        let indices = indices.into_iter().map(|i| na::convert(i)).collect();
+        let indices = indices
+            .into_iter()
+            .map(|idx| Point3::new(idx[0] as u16, idx[1] as u16, idx[2] as u16))
+            .collect();
         let mesh = Mesh::new(vertices, indices, None, None, false);
 
         let mut res = HeightField {

src_testbed/objects/mesh.rs

@@ -17,12 +17,15 @@ impl Mesh {
     pub fn new(
         collider: ColliderHandle,
         vertices: Vec<Point<f32>>,
-        indices: Vec<Point3<u32>>,
+        indices: Vec<[u32; 3]>,
         color: Point3<f32>,
         window: &mut window::Window,
     ) -> Mesh {
         let vs = vertices;
-        let is = indices.into_iter().map(na::convert).collect();
+        let is = indices
+            .into_iter()
+            .map(|idx| Point3::new(idx[0] as u16, idx[1] as u16, idx[2] as u16))
+            .collect();
 
         let mesh;
         let gfx;