Files
haxework/src/main/hw/animate/CircleMaskAnimate.hx
2020-03-24 23:37:08 +03:00

63 lines
1.9 KiB
Haxe
Executable File

package hw.animate;
import flash.display.DisplayObject;
import flash.display.Sprite;
import hw.animate.Animate;
import hw.animate.IAnimate;
import hw.view.IView;
import promhx.Promise;
class CircleMaskAnimate extends Animate {
private var mask:Sprite;
private var cyrcle:Sprite;
private var size:Float;
public function new(view:IView<DisplayObject>, duration:Int = -1) {
super(view, duration);
this.view = view;
this.mask = new Sprite();
this.cyrcle = new Sprite();
}
override public function start():Promise<IAnimate> {
var width = view.parent.width;
var height = view.parent.height;
size = Math.sqrt(width * width + height * height);
//size = Math.max(width, height);
cyrcle.x = mask.x = -(size - width) / 2 - size;
cyrcle.y = mask.y = -(size - height) / 2 - size;
redraw(size, size);
view.parent.container.addChild(mask);
view.content.mask = mask;
view.parent.container.addChild(cyrcle);
return super.start();
}
private function redraw(size:Float, r:Float):Void {
mask.graphics.clear();
mask.graphics.beginFill(0xffffff);
mask.graphics.drawCircle(size + size / 2, size + size / 2, r / 2);
mask.graphics.endFill();
cyrcle.graphics.clear();
cyrcle.graphics.lineStyle(4, 0xffffff);
cyrcle.graphics.drawCircle(size + size / 2, size + size / 2, r / 2);
cyrcle.graphics.lineStyle();
}
override public function update(time:Float):Bool {
var result = super.update(time);
redraw(size, size * progress);
if (progress >= 1 && view.content.parent != null) {
if (view.content.parent.contains(mask)) view.content.parent.removeChild(mask);
view.content.mask = null;
if (view.content.parent.contains(cyrcle)) view.parent.container.removeChild(cyrcle);
}
return result;
}
}