mesh correct and textures too

src/vertex.rs

@@ -41,14 +41,14 @@ impl Vertex {
             .binding(0)
             .location(1)
             .format(vk::Format::R32G32B32_SFLOAT)
-            .offset(size_of::<Vec2>() as u32)
+            .offset(size_of::<Vec3>() as u32)
             .build();
         
         let tex_coord = vk::VertexInputAttributeDescription::builder()
             .binding(0)
             .location(2)
             .format(vk::Format::R32G32_SFLOAT)
-            .offset((size_of::<Vec2>() + size_of::<Vec3>()) as u32)
+            .offset((size_of::<Vec3>() + size_of::<Vec3>()) as u32)
             .build();
         [pos, color, tex_coord]
     }