moveto(x, y){ this.nodes[0].updateRelative(true, true); let dist = ((x - this.end.x) ** 2 + (y - this.end.y) ** 2) ** 0.5; let len = Math.max(0, dist - this.speed); for (let i = this.nodes.length - 1; i >= 0; i--) { let node = this.nodes[i]; let ang = Math.atan2(node.y - y, node.x - x); node.x = x + len * Math.cos(ang); node.y = y + len * Math.sin(ang); x = node.x; y = node.y; len = node.size; } update() {this.moveto(Input.mouse.x, Input.mouse.y)}