Created
August 28, 2014 18:20
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Phaser scrolling group (work in progress)
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// Author Brad P. Taylor (bradptaylor+github@gmail.com) license MIT | |
///<reference path="../../../../bower_components/phaser-official/build/phaser.d.ts"/> | |
///<reference path="../../DefinitelyTyped/scroller/scroller.d.ts"/> | |
///<reference path="./hvlayoutgroup.ts"/> | |
module bpt { | |
// ------------------------------------------------------------------------ | |
export class DragScrollerHelperSprite extends bpt.SpritePrefab { | |
onDragStart = new Phaser.Signal(); | |
onDragEnd = new Phaser.Signal(); | |
onDragMove = new Phaser.Signal(); | |
downPointer:Phaser.Pointer; | |
constructor( game, public resetX, public resetY, key?, frame? ) { | |
super( game, resetX, resetY, key, frame ); | |
//this.alpha = 0; | |
this.inputEnabled = true; | |
this.input.enableDrag( true, false ); | |
this.events.onDragStart.add( this.onDragStartHandler, this ); | |
this.events.onDragStop.add( this.onDragStopHandler, this ); | |
} | |
destroy(destroyChildren) { | |
this.onDragMove && this.onDragMove.dispose(); | |
this.onDragEnd && this.onDragEnd.dispose(); | |
this.onDragStart && this.onDragStart.dispose(); | |
this.onDragMove = undefined; | |
this.onDragEnd = undefined; | |
this.onDragStart = undefined; | |
super.destroy(destroyChildren); | |
} | |
getElapsedMilliseconds() { | |
return this.game.time.totalElapsedSeconds()*1000; | |
} | |
onDragStartHandler( sprite, pointer ) { | |
this.downPointer = pointer; | |
this.onDragStart.dispatch( this, pointer, this.getElapsedMilliseconds() ); | |
} | |
onDragStopHandler( sprite, pointer ) { | |
this.downPointer = undefined; | |
this.onDragEnd.dispatch( this, pointer, this.getElapsedMilliseconds() ); | |
this.position.setTo( this.resetX, this.resetY ); | |
} | |
update() { | |
if ( this.input.isDragged ) { | |
this.onDragMove.dispatch( this, this.downPointer, this.getElapsedMilliseconds() ); | |
} | |
} | |
} | |
// ------------------------------------------------------------------------ | |
export class ScrollingHVGroup extends HVLayoutGroup { | |
private inputSprite:DragScrollerHelperSprite; | |
private startBind:Phaser.SignalBinding; | |
private moveBind:Phaser.SignalBinding; | |
private endBind:Phaser.SignalBinding; | |
private scroller:Scroller; | |
constructor( game, public client_width?, public client_height?, fixed_size_ = 0, horizontal_ = true, fixed_count_ = 1, gap = 5 ) { | |
super( game, fixed_size_, horizontal_, fixed_count_, gap ); | |
this.onlayoutChange.add( this.onLayoutChangeHandler, this ); | |
this.scroller = new Scroller( this.onScrollHandler.bind(this), {} ); | |
} | |
scrollTo( x, y ) { | |
this.position.x = Math.min( Math.max( this.client_width-this.contentWidth, -x ), 0 ); | |
this.position.y = Math.min( Math.max( this.client_height-this.contentHeight, -y ), 0 ); | |
} | |
onScrollHandler(left: number, top: number, zoom: number) { | |
this.scrollTo( left, top ); | |
} | |
onLayoutChangeHandler( layout, width:number, height:number ) { | |
console.log( 'content', width, height, "clip", this.client_width, this.client_height ); | |
this.scroller.setDimensions( this.client_width, this.client_height, width, height ); | |
} | |
detachBoundSignals() { | |
this.startBind && this.startBind.detach(); this.startBind = undefined; | |
this.moveBind && this.moveBind.detach(); this.moveBind = undefined; | |
this.endBind && this.endBind.detach(); this.endBind = undefined; | |
} | |
releaseReferences() { | |
this.detachBoundSignals(); | |
super.releaseReferences(); | |
} | |
attachInputController( inputSprite:DragScrollerHelperSprite ) { | |
this.detachBoundSignals(); | |
this.inputSprite = inputSprite; | |
this.startBind = inputSprite.onDragStart.add( ( spr, pointer, time ) => { | |
this.scroller.doTouchStart([pointer], time ); | |
}, this ); | |
this.moveBind = inputSprite.onDragMove.add( ( spr, pointer, time ) => { | |
this.scroller.doTouchMove([pointer], time ); | |
}, this ); | |
this.endBind = inputSprite.onDragEnd.add( ( spr, pointer, time ) => { | |
this.scroller.doTouchEnd( time ); | |
}, this ); | |
} | |
} | |
bpt.prefab.Factory.add('bpt.ScrollingHVGroup', ScrollingHVGroup, | |
[ ["client_width"], ["client_height"], ["fixed"], ["horizontal"], ["count"], ["gap"] ], | |
bpt.prefab.helper_transformed_named_args_to_config); | |
bpt.prefab.Factory.addAlias('ScrollingHVGroup', 'bpt.ScrollingHVGroup'); | |
// ------------------------------------------------------------------------ | |
} | |
@jdnichollsc - sorry no example, if I find time to resurrect this codebase I will certainly post one.
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Any example with this? 😃