Method copyTo

src/main/java/field/graphics/FLine.java:753–768

copies a node from (potentially some other) line to here. Also copies attributes

(Node node)

		} else if (node instanceof LineTo) {
			this.lineTo(node.to);
			this.last().attributes.putAll(node.attributes.duplicate());
			return this;
		} else if (node instanceof CubicTo) {
			this.cubicTo(((CubicTo) node).c1, ((CubicTo) node).c2, ((CubicTo) node).to);
			this.last().attributes.putAll(node.attributes.duplicate());
			return this;
		}
		throw new Error();
	}

	/**
	 * copies a node from (potentially some other) line to here. Also copies attributes. Cubic segments are reversed.
	 */
	public FLine copyToFlipped(Node node, Vec3 dest) {
		if (node instanceof MoveTo) {
			this.moveTo(dest);
			this.last().attributes.putAll(node.attributes.duplicate());
			return this;
		} else if (node instanceof LineTo) {