export { Camera } from './core/Camera.js'
export { Entity } from './core/Entity.js'
export { Material } from './core/Material.js'
export { Mesh } from './core/Mesh.js'
export { Renderer } from './core/Renderer.js'
export { Scene } from './core/Scene.js'
export { Shader } from './core/Shader.js'
export { readFileAsync } from './io/file.js'
export { Mat4 } from './math/Mat4.js'
export { Vec2 } from './math/Vec2.js'
export { Vec3 } from './math/Vec3.js'
export { Loop }
export { DT }

var DT = 0;
var last = Date.now()
const Loop = (fn) => {
    const callback = () => {
        var now = Date.now()
        DT = ( now - last) / 1000
        last = now
        fn()
        window.requestAnimationFrame(callback)
    }
    callback()
}