positive-spaces-io / bindingsrx

A 2 way binding system for unity using unirx

BindingsRx

BindingsRx is a one or two way binding system for unity using unirx.

It allows you to write more succinct code while showing intent for properties which are bound to other properties, and looks something like this:

myInputField.BindTextTo(someReactiveProperty);
// Changing myInputField.text will update someReactiveProperty and vice versa

Dependencies

• UniRx

Features

• Supports one and two way binding
• Helpers for creating your own custom bindings
• Works with ReactiveProperty<T> and regular values
• Supports custom processing on binding via IFilter interface
• Simplifies complex UI interactions, such as binding dropdown options

As mentioned it works with the unirx ReactiveProperty<T> but does not need them, so for example if I had a reactive property I could do:

var myReactiveProperty = new ReactiveProperty<float>(1.0f);
mySlider.BindValueTo(myReactiveProperty);

However if I was working with a 3rd party library I may not have ReactiveProperty objects, so for that I would do:

var myNormalValue = 1.0f;
mySlider.BindValueTo(() => myNormalValue, x => myNormalValue = x);

You can also specify if you want one way or two way bindings explicitly.

var myReactiveProperty = new ReactiveProperty<float>(1.0f);
mySlider.BindValueTo(myReactiveProperty, BindingTypes.OneWay);

Here is an example of making a dropdown in the UI bind to a reactive collection:

var exampleOptions = new ReactiveCollection<string>();
exampleOptions.Add("Option 1");
exampleOptions.Add("Option 2");
exampleOptions.Add("Some Other Option");

someDropdownUIElement.BindOptionsTo(exampleOptions);

Installation

You can take the unitypackage installation file from the relevent release.

Quick Start

• Install the above package
• Install UniRx

Running Examples

If you want to run the examples then just clone it and open the unity project in the src folder, then run the examples, I will try to add to as the library matures.

There are also a suite of tests which are being expanded as the project grows.

Docs

See the docs folder for more information. (This will grow)

Other Blurbs

If you like design patterns and practices then there is also a ECS framework built on unirx which can be found @ grofit/ecsrx.