/**
 * R3.D3.Mesh.Curve
 * @param graphics R3.GraphicsRuntime
 * @param apiMeshCurve
 * @constructor
 */
R3.D3.Mesh.Curve = function (
    graphics,
    apiMeshCurve
) {
    this.graphics = graphics;
    this.graphics.isNotThreeThrow();
        
    if (R3.Utils.UndefinedOrNull(apiMeshCurve)) {
        apiMeshCurve = {
            meshType: R3.D3.API.Mesh.MESH_TYPE_CURVE
        };
    }

    R3.D3.API.Mesh.Curve.call(
        this,
        apiMeshCurve,
        apiMeshCurve.pointSize
    );

    R3.D3.Mesh.call(
        this,
        this.graphics,
        this
    );
};

R3.D3.Mesh.Curve.prototype = Object.create(R3.D3.Mesh.prototype);
R3.D3.Mesh.Curve.prototype.constructor = R3.D3.Mesh.Curve;


R3.D3.Mesh.Curve.prototype.createInstance = function() {

    console.warn('todo: not fully implemented');

    this.instance = true;

    return;
    
    // var geometry = new THREE.Geometry();
    //
    // /**
    //  * Setup vertices
    //  */
    // this.applyVertexDataToInstance(geometry);
    //
    // var instance = new THREE.Points(geometry);
    //
    // this.createInstanceDefaults(instance);
    //
    // return instance;
};

/**
 * Converts a R3.D3.Mesh.Curve to a R3.D3.API.Mesh.Curve
 * @returns {R3.D3.API.Mesh.Curve}
 */
R3.D3.Mesh.Curve.prototype.toApiObject = function() {

    var apiMesh = R3.D3.Mesh.prototype.toApiObject.call(this);

    var apiMeshCurve = new R3.D3.API.Mesh.Curve(
        apiMesh,
        this.pointSize
    );

    return apiMeshCurve;
};