glam/es5/lib/scene/node/remove.js

Experimental WebGL Engine

'use strict';

Object.defineProperty(exports, "__esModule", {
	value: true
});
exports.nodeRemoveChild = nodeRemoveChild;
exports.default = remove;

var _updateTypes = require('./update-types');

var _updateTypes2 = _interopRequireDefault(_updateTypes);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function nodeRemoveChild(scene, graph, parent, child) {

	var siblings = scene.children(parent);
	var index = siblings.indexOf(child);

	if (index >= 0) {

		// Update types before removing the nodes
		(0, _updateTypes2.default)(scene, graph, child, "remove");
		scene.flags.changed = true;

		// Remove the links on the graph
		siblings.splice(index, 1);
		graph.parent.delete(child);
	}
}

function remove(scene, graph, a, b) {

	var node, child;

	if (a && b) {
		node = a;
		child = b;
	} else if (a && !b) {
		node = scene;
		child = a;
	} else {
		throw new Error('Tried to add nothing to the scene.');
	}

	nodeRemoveChild(scene, graph, node, child);

	return scene;
}