Overview

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Glide is a super-simple tweening library for C#.

Installation

  1. Copy all the .cs files into your project folder.
  2. There is no step two.

Use

Create a Tweener instance and use it to manage tweens:

var Tweener = new Tweener();
Tweener.Tween(...);

Every frame, update the tweener.

Tweener.Update(ElapsedSeconds);

Tweening

Tweening properties is done with a call to Tween. Pass the object to tween, an anonymous type instance containing value names and target values, and a duration, with an optional delay.

//  This tween will move the X and Y properties of the target
Tweener.Tween(target, new { X = toX, Y = toY }, duration, delay);

You can also use Glide to set up timed callbacks.

Tweener.Timer(duration, delay).OnComplete(CompleteCallback);

Control

If you need to control tweens after they are launched (for example, pausing or cancelling), you can hold a reference to the object returned By Tween():

var myTween = Tweener.Tween(object, new {X = toX, Y = toY}, duration);

You can later use this object to control the tween:

myTween.Cancel();
myTween.CancelAndComplete();

myTween.Pause();
myTween.PauseToggle();

myTween.Resume();

Calling a control method on a tweener will affect all tweens it manages.

If you'd rather not keep tween controller objects around, you can also control them by passing an object being tweened to a target control function.

Tweener.Tween(myObject, ...);

Tweener.TargetCancel(myObject);
Tweener.TargetCancelAndComplete(myObject);

Tweener.TargetPause(myObject);
Tweener.TargetPauseToggle(myObject);

Tweener.TargetResume(myObject);

Behavior

You can specify a number of special behaviors for a tween to use. Calls can be chained for setting more than one at a time.

//  Glide comes with a full complement of easing functions
Tweener.Tween(...).Ease(Ease.ElasticOut);

Tweener.Tween(...).OnComplete(() => Console.WriteLine("done"));
Tweener.Tween(...).OnUpdate(() => Console.WriteLine("updating"));

//  Repeat twice
Tweener.Tween(...).Repeat(2);

//  Repeat forever
Tweener.Tween(...).Repeat();

//  Reverse the tween every other time it repeats
Tweener.Tween(...).Repeat().Reflect();

//  Swaps the end and start values of a tween.
//  This is helpful if you want to set an object's properties to one set of values, and then tween back to the previous values.
Tweener.Tween(...).Reverse();

//  Smoothly interpolate a rotation value past the end of an axis.
Tweener.Tween(...).Rotation();

//  Round tweened properties to integer values
Tweener.Tween(...).Round();

If you have any questions, find a bug, or want to request a feature, leave a message here or hit me up on Twitter @jacobalbano!