Make backface culling ready to use

src/main.rs

@@ -94,6 +94,8 @@ fn main() {
                 write: true,
                 ..Default::default()
             },
+            // Verify that it helps from the FPS point of view.
+            //backface_culling: glium::draw_parameters::BackfaceCullingMode::CullClockwise,
             ..Default::default()
         };
 

src/support/mod.rs

@@ -108,9 +108,9 @@ pub fn load_ground(display: &Display) -> VertexBufferAny {
             // Second triangle.
 
             vertex_data.push(Vertex {
-                position: [(lines_index + 1) as f32, column_below_right, (columns_index + 1) as f32],
+                position: [(lines_index + 1) as f32, column_below, columns_index as f32],
                 normal: [0.0, 0.0, 1.0],
-                tex_coords: [1.0, 1.0],
+                tex_coords: [1.0, 0.0],
             });
 
             vertex_data.push(Vertex {
@@ -120,9 +120,9 @@ pub fn load_ground(display: &Display) -> VertexBufferAny {
             });
 
             vertex_data.push(Vertex {
-                position: [(lines_index + 1) as f32, column_below, columns_index as f32],
+                position: [(lines_index + 1) as f32, column_below_right, (columns_index + 1) as f32],
                 normal: [0.0, 0.0, 1.0],
-                tex_coords: [1.0, 0.0],
+                tex_coords: [1.0, 1.0],
             });
         }
     }