import { Matrix2 } from './Matrix2';
import { Geometry, Vector2 } from 'three';


export function RotateUVs(geo: Geometry)
{
    let roMat = new Matrix2();
    roMat.set(0, -1,
        1, 0);

    let addV = new Vector2(1, 0);

    for (let uvs of geo.faceVertexUvs)
    {
        for (let uv of uvs)
        {
            for (let v of uv)
            {
                roMat.applyVector(v);
                v.add(addV);
            }
        }
    }
    geo.uvsNeedUpdate = true;
}