import * as THREE from 'three';
import { Vector3 } from 'three';



//绘制线
function DrawLine(sp: THREE.Vector3, ep: THREE.Vector3): THREE.Object3D
{
    //创建几何体
    var geometry = new THREE.Geometry();
    geometry.vertices.push(sp.clone());
    geometry.vertices.push(ep.clone());

    //创建材质
    var material = new THREE.LineBasicMaterial();
    let threeObject: THREE.Object3D = new THREE.Line(geometry, material);

    return threeObject;
}

function SetLinePoint(line: THREE.Object3D, pt: THREE.Vector3)
{
    let l: THREE.Line = <THREE.Line>line;

    let geo: THREE.Geometry = <THREE.Geometry>l.geometry;

    geo.vertices[0].set(pt.x, pt.y, pt.z);

    geo.verticesNeedUpdate = true;
}

/**
 * 
 * 
 * @param {THREE.Object3D} ent 
 * @param {boolean} isSet 
 */
function SetIsSelect(ent: THREE.Object3D, isSet: boolean)
{
    var baseColor = 0x333333;
    var foundColor = 0x12C0E3;
    var intersectColor = 0x00D66B;

    let mesh = <THREE.Mesh>ent;

    let material = <THREE.MeshBasicMaterial>mesh.material;

    if (isSet)
    {
        material.color.setHex(intersectColor);
    }
    else
    {
        material.color.setHex(baseColor);
    }
}

function CreateBox(l: number, w: number, h: number)
{
    var geometry = new THREE.BoxGeometry(l, w, h);
}