class NodeBase { constructor(options, body, labelModule) { this.body = body; this.labelModule = labelModule; this.setOptions(options); this.top = undefined; this.left = undefined; this.height = undefined; this.boundingBox = {top: 0, left: 0, right: 0, bottom: 0}; } setOptions(options) { this.options = options; } _distanceToBorder(angle) { var borderWidth = 1; return Math.min( Math.abs(this.width / 2 / Math.cos(angle)), Math.abs(this.height / 2 / Math.sin(angle))) + borderWidth; } } export default NodeBase;