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@markknol markknol/gist:a7c17a1cc3d60e83461b Secret
Last active Dec 14, 2015

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Flambe Tweener class
package temple.tween;
import flambe.animation.AnimatedFloat;
import flambe.animation.Ease;
import flambe.display.Sprite;
import flambe.Entity;
import flambe.script.Action;
import flambe.script.AnimateTo;
import flambe.script.CallFunction;
import flambe.script.Delay;
import flambe.script.Parallel;
import flambe.script.Script;
import flambe.script.Sequence;
import flambe.System;
import flambe.util.Disposable;
/**
* Wrapper class around Flambe's Script/Sequence/Actions classes to simplify delayed tweens with callbacks
* @author Mark Knol [mediamonks]
*/
class Tweener
{
/**
*
* @param object
* @param seconds
* @param params object with references to AnimatedFloat's
* @param delay in seconds
* @param ?onComplete
* @param ?easing
*/
public static function to(object:Dynamic, seconds:Float, tweenProps:Dynamic, delay:Float = 0, onComplete:Void->Void = null, ?easing:EaseFunction) :Disposable
{
Ease;
var sequence:Sequence = new Sequence();
if (delay < 0) delay = 0;
if (seconds == 0 && delay == 0)
{
set(object, tweenProps, onComplete);
return null;
}
else if (seconds == 0 && delay > 0)
{
var entity:Entity = new Entity();
if (delay != 0) sequence.add(new Delay(delay));
sequence.add(new CallFunction(function() {
set(object, tweenProps, onComplete);
entity.dispose();
}));
var script:Script = new Script();
System.root.addChild(entity.add(script));
return script.run(sequence);
}
else
{
if (delay > 0) sequence.add(new Delay(delay));
var parallelActions = new Array<Action>();
var fields = Reflect.fields(tweenProps);
for( param in fields)
{
var property = Reflect.getProperty(object, param);
parallelActions.push(new AnimateTo(cast property, Reflect.field(tweenProps, param), seconds, easing));
}
var parallel:Parallel = new Parallel(parallelActions);
sequence.add(parallel);
var entity:Entity = new Entity();
sequence.add(new CallFunction(function() {
if (onComplete != null) onComplete();
entity.dispose();
} ));
var script:Script = new Script();
System.root.addChild(entity.add(script));
return script.run(sequence);
}
}
public static function delay(onComplete:Void->Void = null, delay:Float = 0) :Disposable
{
if (delay < 0) delay = 0;
var entity = new Entity();
var sequence:Sequence = new Sequence();
sequence.add(new Delay(delay));
sequence.add(new CallFunction(onComplete));
sequence.add(new CallFunction(entity.dispose));
var script:Script = new Script();
System.root.addChild(entity.add(script));
return script.run(sequence);
}
public static function fromTo(object:Dynamic, seconds:Float, fromProps:Dynamic, toProps:Dynamic, delay:Float = 0, onComplete:Void->Void = null, ?easing:EaseFunction)
{
set(object, fromProps, null);
return to(object, seconds, toProps, delay, onComplete, easing);
}
public static function set(object:Dynamic, params:Dynamic, ?onComplete:Void->Void) :Void
{
for(param in Reflect.fields(params))
{
var property = Reflect.getProperty(object, param);
cast(property, AnimatedFloat)._ = Reflect.field(params, param);
}
if (onComplete != null) onComplete();
}
}
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