import { Group, Geometry, Vector3, Line, Matrix4 } from "three";
import { ColorMaterial } from "./ColorPalette";
import { DbText } from "./Text";
import { MoveMatrix } from "./GeUtils";

/**
 * 标注实体
 * 
 * @export
 * @class Dimension
 * @extends {Group}
 */
export class Dimension extends Group
{

    constructor(length: number, textHeight: number = 25, mirror: boolean = false, mirrorFoot: boolean = false)
    {
        super();
        let footLength = 60;
        if (mirrorFoot)
        {
            footLength = -footLength;
        }

        //针脚几何体
        let lineGeo = new Geometry();
        lineGeo.vertices.push(new Vector3(), new Vector3(0, footLength, 0));

        //托盘几何体
        let lineGeo2 = new Geometry();
        lineGeo2.vertices.push(new Vector3(0, footLength), new Vector3(length, footLength, 0));

        let material = ColorMaterial.GetLineMaterial(5)

        let line1 = new Line(lineGeo, material);
        let line2 = new Line(lineGeo, material);
        line2.position.x = length;

        let line3 = new Line(lineGeo2, material);

        let text = new DbText(parseFloat(length.toFixed(2)).toString(), textHeight);
        if (mirror)
        {
            let roMat = new Matrix4().makeRotationZ(Math.PI);
            text.applyMatrix(roMat);
            text.applyMatrix(MoveMatrix(new Vector3(length * 0.5, footLength - textHeight * 0.1)));
        }
        else
        {
            text.applyMatrix(MoveMatrix(new Vector3(length * 0.5, footLength * 1.1)));
        }


        this.add(text);

        this.add(line1, line2, line3);
    }
}