83 lines
1.9 KiB
Haxe
83 lines
1.9 KiB
Haxe
package;
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import flixel.util.FlxGradient;
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class CustomFadeTransition extends MusicBeatSubstate
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{
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public static var finishCallback:Void->Void;
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var isTransIn:Bool = false;
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var transBlack:FlxSprite;
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var transGradient:FlxSprite;
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var duration:Float;
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public function new(duration:Float, isTransIn:Bool)
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{
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this.duration = duration;
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this.isTransIn = isTransIn;
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super();
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}
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override function create()
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{
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cameras = [FlxG.cameras.list[FlxG.cameras.list.length - 1]];
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var width:Int = Std.int(FlxG.width / Math.max(camera.zoom, 0.001));
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var height:Int = Std.int(FlxG.height / Math.max(camera.zoom, 0.001));
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transGradient = FlxGradient.createGradientFlxSprite(1, height, (isTransIn ? [0x0, FlxColor.BLACK] : [FlxColor.BLACK, 0x0]));
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transGradient.scale.x = width;
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transGradient.updateHitbox();
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transGradient.scrollFactor.set();
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transGradient.screenCenter(X);
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add(transGradient);
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transBlack = new FlxSprite().makeGraphic(1, 1, FlxColor.BLACK);
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transBlack.scale.set(width, height + 400);
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transBlack.updateHitbox();
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transBlack.scrollFactor.set();
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transBlack.screenCenter(X);
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add(transBlack);
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if (isTransIn)
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transGradient.y = transBlack.y - transBlack.height;
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else
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transGradient.y = -transGradient.height;
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super.create();
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}
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override function update(elapsed:Float)
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{
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super.update(elapsed);
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final height:Float = FlxG.height * Math.max(camera.zoom, 0.001);
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final targetPos:Float = transGradient.height + 50 * Math.max(camera.zoom, 0.001);
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if (duration > 0)
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transGradient.y += (height + targetPos) * elapsed / duration;
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else
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transGradient.y = (targetPos) * elapsed;
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if (isTransIn)
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transBlack.y = transGradient.y + transGradient.height;
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else
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transBlack.y = transGradient.y - transBlack.height;
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if (transGradient.y >= targetPos)
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{
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close();
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}
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}
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// Don't delete this
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override function close():Void
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{
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super.close();
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if (finishCallback != null)
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{
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finishCallback();
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finishCallback = null;
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}
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}
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}
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