/*
 * ND2D - A Flash Molehill GPU accelerated 2D engine
 *
 * Author: Lars Gerckens
 * Copyright (c) nulldesign 2011
 * Repository URL: http://github.com/nulldesign/nd2d
 * Getting started: https://github.com/nulldesign/nd2d/wiki
 *
 *
 * Licence Agreement
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package tests {

	import de.nulldesign.nd2d.display.Node2D;
	import de.nulldesign.nd2d.display.Scene2D;
	import de.nulldesign.nd2d.display.Sprite2D;
	import de.nulldesign.nd2d.display.TextField2D;
	import de.nulldesign.nd2d.materials.texture.Texture2D;
	import de.nulldesign.nd2d.utils.NumberUtil;

	import flash.events.Event;
	import flash.events.MouseEvent;
	import flash.text.TextFormatAlign;

	public class CameraTest extends Scene2D {

		[Embed(source="/assets/water_texture.jpg")]
		private var backgroundTexture:Class;

		[Embed(source="/assets/nd_logo.png")]
		private var spriteTexture:Class;

		private var back:Sprite2D;
		private var targetNode:Node2D;

		public function CameraTest() {

			back = new Sprite2D(Texture2D.textureFromBitmapData(new backgroundTexture().bitmapData));
			back.alpha = 0.5;
			addChild(back);

			addEventListener(Event.ADDED_TO_STAGE, addedToStage);
		}

		private function addedToStage(e:Event):void {
			removeEventListener(Event.ADDED_TO_STAGE, addedToStage);

			var tex:Texture2D = Texture2D.textureFromBitmapData(new spriteTexture().bitmapData);
			var s:Sprite2D;

			for(var i:int = 0; i < 5; i++) {
				s = new Sprite2D(tex);
				s.x = NumberUtil.rndMinMax(100.0, stage.stageWidth - 100.0);
				s.y = NumberUtil.rndMinMax(100.0, stage.stageHeight - 100.0);
				s.rotation = NumberUtil.rndMinMax(0.0, 360.0);
				s.mouseEnabled = true;
				s.addEventListener(MouseEvent.CLICK, spriteClick);
				addChild(s);
			}

			// GUI layer test
			s = new Sprite2D(tex);
			s.x = s.width * 0.5;
			s.y = stage.stageHeight - s.height * 0.5;
			s.tint = 0xFF9900;
			s.mouseEnabled = true;
			s.addEventListener(MouseEvent.CLICK, guiLayerItemClick);
			sceneGUILayer.addChild(s);

			var txt:TextField2D = new TextField2D();
			txt.font = "Helvetica";
			txt.textColor = 0xFF9900;
			txt.size = 30.0;
			txt.align = TextFormatAlign.LEFT;
			txt.text = "GUI Layer";
			txt.x = 120.0;
			txt.y = stage.stageHeight - s.height * 0.5;
			sceneGUILayer.addChild(txt);
		}

		private function guiLayerItemClick(e:MouseEvent):void {
			trace("hello GUI");
		}

		private function spriteClick(e:MouseEvent):void {
			targetNode = Node2D(e.target);
		}

		override protected function step(elapsed:Number):void {
			back.x = camera.sceneWidth * 0.5;
			back.y = camera.sceneHeight * 0.5;
			back.width = camera.sceneWidth * 5.0;
			back.height = camera.sceneHeight * 5.0;

			if(targetNode) {
				camera.x += ((targetNode.x - camera.sceneWidth * 0.5) - camera.x) * 0.05;
				camera.y += ((targetNode.y - camera.sceneHeight * 0.5) - camera.y) * 0.05;
				camera.rotation += (-targetNode.rotation - camera.rotation) * 0.05;
			}
		}
	}
}