use cgmath::conv::array4x4;
use cgmath::{Euler, Matrix4, Rad, SquareMatrix, Vector3, Vector4, Zero};
use glium::glutin::VirtualKeyCode;
use glium::glutin::WindowEvent::KeyboardInput;
use cgmath::conv::array4x4;
use cgmath::{Euler, Matrix4, Rad, SquareMatrix, Vector3, Vector4, Zero};
use glium::glutin::VirtualKeyCode;
use glium::glutin::WindowEvent::KeyboardInput;
#[cfg(target_os = "emscripten")]
use std::os::raw::{c_int, c_void};
#[cfg(target_os = "emscripten")]
use std::os::raw::{c_int, c_void};