use implement::math::mat::Mat4;
use implement::math::mat::Mat3x1;
use implement::render::camera;
use std::collections::HashMap;
use std::vec::Vec;
pub struct Scene {
_lights: Vec< Light >,
_lightinteract: Vec< LightImteractAds >,
_cams: Vec< camera::Cam >,
_verts: Vec< Vert >,
_vert_groups: Vec< VertGroup >,
}