Exey Panteleev

private var view:View3D;
private var camera:HoverCamera3D;

private var thing:Object3D;
private var thingIndex:uint;

//loading materials images
private var loader:Loader;
private var loader2:Loader;
private var isLoad:Boolean;
private var isLoad2:Boolean;
private var isImagesLoaded:Boolean;

//lights
private var lightDirect:DirectionalLight3D;
private var lightDirect2:DirectionalLight3D;
private var sphere:Sphere;
private var sphere2:Sphere;
private var lightColors:Array = [0xff0000, 0x00ff00, 0x0000ff, 0xffffff, 0x00ffff, 0xff00ff, 0xffff00];
private var lightColorIndex:uint = 0;

//lights dragging
private var clickTarget:uint;
private var isMousePress:Boolean;
private var dragPositionX:int;
private var dragPositionZ:int;

//navigation variables
private var lastPanAngle:Number;
private var lastTiltAngle:Number;
private var lastMouseX:Number;
private var lastMouseY:Number;
private var isDragging:Boolean = false;

public function NormalMapTest():void {
	prepareAway3d();
	createLights();
	createObjects();
	addListeners();
}

private function prepareAway3d():void {
	camera = new HoverCamera3D();
	view = new View3D({camera:camera});
	view.x = 250;
	view.y = 250;
	addChild(view);
}

private function createLights():void {
	lightDirect = new DirectionalLight3D( { color:0xFFFFFF, ambient:0.25, diffuse:0.75, specular:0.9 } );
	lightDirect2 = new DirectionalLight3D( { color:0xffffff, ambient:0.25, diffuse:0.75, specular:0.9 } );
	lightDirect.x = -200;
	lightDirect.z = -200;
	lightDirect2.x = 200;
	lightDirect2.z = 200;
	lightDirect.y = 200;
	lightDirect2.y = 200;
	view.scene.addChild( lightDirect );
	view.scene.addChild( lightDirect2 );
}

private function createObjects():void {
	sphere = new Sphere({material: new ColorMaterial(0xffffff), radius:40, segmentsW:4, segmentsH:4, y:50});
	sphere2 = new Sphere( { material: new ColorMaterial(0xffffff), radius:40, segmentsW:4, segmentsH:4, y:50 } );
	thingIndex = 1;
	createObject3D(new WireframeMaterial(), true);

	sphere.name = "light1";
	sphere2.name = "light2";
	view.scene.addChild(sphere);
	view.scene.addChild(sphere2);
}

private function createObject3D(material:*, changeMat:Boolean):void {
	if (thing) {
		view.scene.removeChild(thing);
	}
	switch (thingIndex) {
		case 1 :
			thing = new Plane( { material:material, width:512, height:512, segmentsW:2, segmentsH:2, ownCanvas:true } );
			if (changeMat) {
				//Cobble Stone by Nutsy http://www.filterforge.com/filters/3643.html
				loadMaterial("3643-diffuse.jpg", "3643-normal.jpg");
			}
			break;
		case 2 :
			thing = new Sphere( { material: material, radius:256, segmentsW:12, segmentsH:12, y: -128, ownCanvas:true } );
			thing.rotationX = -90;
			if (changeMat) {
				//Wooden Wave by Constantin Malkov http://www.filterforge.com/filters/5043.html
				loadMaterial("5043-diffuse.jpg", "5043-normal.jpg");
			}
			break;
		case 3 :
			thing = new Cube( { material: material, width:400, height:200, depth:400, ownCanvas:true } );
			if (changeMat) {
				//Lounge Lizards by Crapadilla http://www.filterforge.com/filters/1596.html
				loadMaterial("1596-diffuse.jpg", "1596-normal.jpg");
			}
			break;
		case 4 :
			thing = new Torus( { material: material, radius:150, tube:100, segmentsR:8, segmentsT:12, ownCanvas:true } );
			if (changeMat) {
				//Snow_02 by jensp http://www.filterforge.com/filters/442.html
				loadMaterial("442-diffuse.jpg", "442-normal.jpg");
			}
			break;
	}
	view.scene.addChild(thing);
}

private function addListeners():void {
	addEventListener(Event.ENTER_FRAME, onEnterFrame);
	stage.addEventListener(KeyboardEvent.KEY_UP, keyUpHandler);
	stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDownHandler);
	stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUpHandler);
	view.scene.addOnMouseMove(dragElement);
	view.scene.addOnMouseUp(dropElement);
	sphere.addOnMouseDown(clickElement);
	sphere2.addOnMouseDown(clickElement);
	thing.addOnMouseDown(dropElement);// drop light when click on thing
}

private function loadMaterial(urlDiffuse:String, urlNormal:String):void {
	isImagesLoaded = false;
	isLoad = false;
	loader = new Loader(  );
	loader.contentLoaderInfo.addEventListener( Event.COMPLETE, handleComplete );
	loader.load( new URLRequest( urlDiffuse ) );
	isLoad2 = false;
	loader2 = new Loader(  );
	loader2.contentLoaderInfo.addEventListener( Event.COMPLETE, handleComplete2 );
	loader2.load( new URLRequest( urlNormal ) );
}

private function handleComplete( event:Event ):void {
	isLoad = true;
	if (isLoad2) {
		setupMaterial();
	}
}

private function handleComplete2( event:Event ):void {
	isLoad2 = true;
	if (isLoad) {
		setupMaterial();
	}
}

private function setupMaterial():void {
	isImagesLoaded = true;
	var image1:Bitmap = loader.content as Bitmap;
	var image2:Bitmap = loader2.content as Bitmap;
	var material:Dot3BitmapMaterial = new Dot3BitmapMaterial(image1.bitmapData, { normalMap:image2.bitmapData } );
	createObject3D(material, false);
}

private function onEnterFrame(event:Event):void {
	if (clickTarget == 1) {
		lightDirect.x = dragPositionX;
		lightDirect.z = dragPositionZ;
	} else if (clickTarget == 2) {
		lightDirect2.x = dragPositionX;
		lightDirect2.z = dragPositionZ;
	}
	view.render();

	sphere.position = lightDirect.position;
	sphere2.position = lightDirect2.position;

	if (isDragging && isMousePress == false) {
		camera.targetpanangle = 0.3*(stage.mouseX - lastMouseX) + lastPanAngle;
		camera.targettiltangle = 0.3*(stage.mouseY - lastMouseY) + lastTiltAngle;
	}
	camera.hover();
}

private function clickElement(event:MouseEvent3D):void {
	isMousePress = true;
	if (event.object.name == "light1") {
		clickTarget = 1;
	} else if (event.object.name == "light2") {
		clickTarget = 2
		;
		if (lightColorIndex >= lightColors.length) {
			lightColorIndex = 0;
		}
		lightDirect2.color = lightColors[lightColorIndex];
		//trace("lightColors[lightColorIndex]",lightColors[lightColorIndex])
		sphere2.material = new ColorMaterial(lightColors[lightColorIndex]);
		lightColorIndex++;
	}
}

private function dropElement(event:MouseEvent3D):void {
	isMousePress = false;
	clickTarget = 0;
}

private function dragElement(event:MouseEvent3D):void {
	dragPositionX = event.sceneX;
	dragPositionZ = event.sceneZ;
}

private function onMouseUpHandler(event:MouseEvent):void {
	isDragging = false;
}

private function onMouseDownHandler(event:MouseEvent):void {
	lastPanAngle = camera.targetpanangle;
	lastTiltAngle = camera.targettiltangle;
	lastMouseX = stage.mouseX;
	lastMouseY = stage.mouseY;
	isDragging = true;
}

private function keyUpHandler(e:KeyboardEvent):void {
	if (isChar(e.charCode, "1")) {
		thingIndex = 1;
		createObject3D(new WireframeMaterial(), true);
	} else if (isChar(e.charCode, "2")) {
		thingIndex = 2;
		createObject3D(new WireframeMaterial(), true);
	} else if (isChar(e.charCode, "3")) {
		thingIndex = 3;
		createObject3D(new WireframeMaterial(), true);
	} else if (isChar(e.charCode, "4")) {
		thingIndex = 4;
		createObject3D(new WireframeMaterial(), true);
	}
}

private function isChar(code:Number, str:String):Boolean {
	if (code == str.charCodeAt()) {
		return true;
	}
	return false;
}