import {
    Mesh,
    MeshPhongMaterial,
    FaceColors
} from "../../node_modules/three/build/three.module.js";
import { WOOD } from "../colors.mjs";
import Builder from "./Builder2.mjs";
import Randomizer from "./Randomizer.mjs";

export default class Barn extends Mesh {

    constructor() {

        const material = new MeshPhongMaterial( {
            vertexColors: FaceColors,
            flatShading: true
        } );
        const color = Randomizer.colorSpread( WOOD );

        const geometry = new Builder()
            .repeat( 2, ( b, y ) => b.repeat( 11, ( b, x, height, mid ) => {

                const angle = Math.PI / 2 + Math.PI / 2 / ( mid + 1 ) * x;
                height = 1 + Math.sin( angle ) / 2;
                return b.box( 1 / 8, 1 / 32, height ).randomize( 1 / 2 ).translate( x / 8, y * 11 / 8, height / 2 );

            } ) )
            .repeat( 2, ( b, x ) => b.repeat( 11, ( b, y ) =>
                b.box( 1 / 32, 1 / 8, 1 ).randomize().translate( x * 11 / 8, y / 8, 1 / 2 ) ) )
            .repeat( 5, ( b, x, height, mid, _1, count ) => {

                const angle = Math.PI / 2 + Math.PI / 2 / ( mid + 1 ) * ( x * 8 / 11 );
                return b.repeat( 14, ( b, y ) =>
                    b.box( 1 / 32, 1 / 8, 2 / count )
                        .translate( Math.cos( angle ), y / 8, 2 / 4 + Math.sin( angle ) )
                        .rotateY( - angle )
                        .randomize( 1 / 2 ) );

            } )
            .color( color )
            .rotateZ( Math.PI / 4 )
            .geometry();

        super( geometry, material );

        this.castShadow = true;
        this.receiveShadow = true;

    }

}