Cuando intento levantarlo, me tira este error, y no me carga:
Código :
TypeError: Error #1009: No se puede acceder a una propiedad o a un método de una referencia a un objeto nulo. at script4/Init() at script4()
Obviamente, hay un problema con la function Init... el tema es que esa galeria, levanta un clase script.as
Que se las pego aqui:
Código ActionScript :
package
{
//AS3
import flash.display.*;
import flash.events.*;
import flash.net.URLLoader;
import flash.net.URLRequest;
import flash.utils.Dictionary;
import flash.geom.Matrix;
import flash.text.TextField;
import flash.text.StyleSheet;
import flash.net.*;
//Import papervision 3D
import org.papervision3d.scenes.*;
import org.papervision3d.cameras.*;
import org.papervision3d.objects.*;
import org.papervision3d.materials.*;
import org.papervision3d.*;
import caurina.transitions.*;
// Main script4 class
public class script4 extends MovieClip
{
//___________________________________________________________3d vars
private var scene:MovieScene3D;
private var camera:Camera3D;
private var container:Sprite;
private var camzoom:Number = 5;
//__________________________________________________________Gallery vars
private var numphot:Number = new Number(); // Number of photos
private var radius:Number = 600;
private var cradius:Number = 1100;
private var angle:Number = 0;
private var anglePer:Number = new Number();
private var anglePD:Number = new Number();
//__________________________________________________________XML vars
private var xmlLoader:URLLoader = new URLLoader();
private var xmlData:XML = new XML();
private var xml_path:String = "data.xml";
//__________________________________________________________Gallery Data
private var thumb:Array = new Array();
private var capt:Array = new Array();
private var desc:Array = new Array();
private var link:Array = new Array();
private var img:Array = new Array();
private var count:Number = 0;
private var count2:Number = 0;
private var tloaded:Number = 0;
private var cID:Number = 0; // Current images
private var lID:Number = 0; // Last images
private var pInfor:Dictionary = new Dictionary();
private var pContainer:Dictionary = new Dictionary();
private var imgInfor:Dictionary = new Dictionary();
private var ImgContainer:Array = new Array();
// Plane infro
private var planeDoubleSide:Boolean = false;
private var planeSmooth:Boolean = true;
private var quality:Number = 1;
// Easing/Movement parameters
private var mtime:Number = 1; //duration movement of camera
private var mtime2:Number = 1; //duration movement of thumbnail when roll over
private var mtime3:Number = 1.5; //duration movement of thumbnail when pressed
// Cam/Image easing type
private var Cam_easeType:String = "easeOutQuint";
private var Img_easeType:String = "easeOutQuint";
private var Img_easeType2:String = "easeOutQuint";
//Distance from origin position when moving out
private var moveDistance:Number = 200;
// Auto rotate
private var autorotate:Boolean = false;
private var rotatespeed:Number = 0.002;
private var rs:Number = 0.002;
private var pitch:Number = 0.075;
private var Pitch:Number = 0.075;
// Alpha, transparency
private var Alpha:Number = 1;
// Reflection
private var reflection:Boolean = true;
private var refDist:Number = 180; //Distance from image to its corresponding reflection
private var refIn1:Number = 0.5; // Reflection Intensity 1
private var refIn2:Number = 0; // Reflection Intensity 2
private var refDen1:Number = 0; // Reflection Density 1
private var refDen2:Number = 180; // Reflection Density 2
private var refSmooth:Boolean = false; // Smooth Reflection
private var refDoubleSide:Boolean = false; // 2 side Reflection
// Camera Infor
private var COB:Object = new Object();
private var camPos:Object = new Object();
private var camHeight:Number = 0;
private var tPos:Object = new Object();
private var delta1:Number = 0.325;
private var delta2:Number = 200;
// Navigation Style
private var nagStyle:String = "Mouse";
// Descript4ion, Caption Data
private var cTime:Number = 1; //Caption fade in, fade out
private var dTime:Number = 1; //Descript4ion fade in, fade out
private var cTrans:String = "linear"; //Transition type
private var dTrans:String = "easeOutQuint"; //Transition type
// StyleSheet
var css:StyleSheet = new StyleSheet();
// Misc variables
private var flag:uint = 0;
private var loaded:Boolean = false;
private var big_loaded:Array = new Array();
private var neededScale:Boolean = true;
private var RollOvered:Boolean = false;
private var rangle:Number = 0;
//______________________________________________________________________Main script4
//Constructor
public function script4():void
{
// Block Papervison3D trace output
Papervision3D.VERBOSE = false;
// Initial 3d environment
Init();
// Create 3d gallery
Create_gallery();
// Initialize description , css, click event
InitDescription();
}
// Setup data
private function Init():void
{
stage.align = StageAlign.TOP_LEFT;
stage.scaleMode = StageScaleMode.NO_SCALE;
// Reposition element if stage is resized
stage.addEventListener( Event.RESIZE, rePosition)
//Create container Sprite for scene 3d
container = new Sprite();
container.visible = false;
addChild( container );
// Movie Scene 3D
scene = new MovieScene3D( container );
// Camera 3D
camera = new Camera3D();
camera.zoom = camzoom;
// Camera first position
camera.x = cradius;
camera.z = 0;
camera.y = camHeight;
COB.angle = 0;
camPos.angle = 0;
// invisible descripton
des.visible = false;
// temporary remove caption, description to solve z order issue
removeChild(cap);
removeChild(des);
// Setup preloader
preloader.x = 0;
preloader.y = (stage.stageHeight - preloader.height) * 0.5 ;
preloader.width = stage.stageWidth;
preloader.bar.scaleX = 0;
container.x = stage.stageWidth * 0.5;
container.y = stage.stageHeight * 0.5;
// Reposition caption, description
cap.x = (stage.stageWidth - cap.width) * 0.5 ;
cap.y = container.y + 150;
des.x = container.x ;
des.y = (stage.stageHeight - des.height) * 0.5 + 20 ;
prevbut.x = container.x - 390;
nextbut.x = container.x + 370;
prevbut.y = nextbut.y = container.y;
prevbut.alpha = nextbut.alpha = 0;
// for preview only
Setup_link();
}
// Start to build gallery
private function Create_gallery():void
{
// Load data from XML
XML_Loading();
//Adding events, renderCamera
this.addEventListener(Event.ENTER_FRAME, update3D);
}
//__________________________________________________________XML load
private function XML_Loading():void
{
xmlLoader.addEventListener(Event.COMPLETE, LoadXML);
xmlLoader.load(new URLRequest( xml_path ));
}
private function LoadXML(e:Event):void
{
//Extract data
xmlData = new XML(e.target.data);
ParseData(xmlData);
}
private function ParseData(dat:XML):void
{
//Number of photos
numphot = dat.photos.photo.length();
anglePer = (360/numphot) * Math.PI/180;
anglePD = (360/numphot);
// Add Enterframe event for preloader
preloader.addEventListener(Event.ENTER_FRAME, preload);
for (var i:uint = 0; i<numphot; i++)
{
thumb[i] = dat.photos.photo.thumb.attributes()[i];
capt[i] = dat.photos.photo.caption.attributes()[i];
desc[i] = dat.photos.photo.desc.text()[i];
img[i] = dat.photos.photo.img.attributes()[i];
big_loaded[i] = 0;
}
Load_thumbnail();
}
//Load external assest
private function Load_thumbnail():void
{
for (var i:uint = 0; i<numphot; i++)
{
var myLoader:Loader = new Loader();
var myRequest:URLRequest = new URLRequest(thumb[i]);
myLoader.load(myRequest);
myLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, Thumb_loaded);
pInfor[myLoader] = i;
}
}
//Create gallery after load completed
private function Thumb_loaded(e:Event):void
{
var myOb = e.target.loader;
//Bitmap Material
var bmp:BitmapData = new BitmapData( myOb.width, myOb.height, true, 0x000000 );
bmp.draw(myOb);
var bm:BitmapMaterial = new BitmapMaterial(bmp);
bm.doubleSided = planeDoubleSide;
bm.smooth = false;
bm.name = "front";
// Materials
var materials:MaterialsList = new MaterialsList(
{
back: new MovieAssetMaterial( "BACK", true ),
front: bm
} );
var insideFaces :int = Cube.FRONT + Cube.BACK;
// Create a plane or cube with depth = 1
var p:Cube= new Cube( materials, myOb.width, 1, myOb.height, quality, 1, quality, insideFaces );
var index = pInfor[myOb];
scene.addChild( p, "plane" + index );
// Setting up the plane contains corresponding picture
// Extracting the corresponding index
// Additional data, for roll over, roll out movement purpose
p.extra = {
tPos:new Object,
cPos:new Object,
oPos:new Object,
ref:new Plane(),
index:new Number,
rotationY:new Number
}
// Calculate origin position
p.x = Math.cos( index * anglePer) * radius;
p.z = Math.sin( index * anglePer) * radius;
p.rotationY = ( -index * anglePer) * (180/Math.PI) + 270;
p.extra.oPos.x = p.x;
p.extra.oPos.z = p.z;
p.extra.cPos.x = p.x;
p.extra.cPos.z = p.z;
p.extra.tPos.x = Math.cos( index * anglePer) * (radius + moveDistance);
p.extra.tPos.z = Math.sin( index * anglePer) * (radius + moveDistance);
p.extra.index = index;
p.extra.rotationY = p.rotationY;
count++;
tloaded++;
//Check if all thumbnails are loaded
if (count == numphot)
{
//Load images
for (var i:uint = 0; i < numphot; i++)
{
var myLoader:Loader = new Loader();
var myRequest:URLRequest = new URLRequest(img[i]);
myLoader.load(myRequest);
myLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, Img_loaded);
imgInfor[myLoader] = i;
}
//Setting up Interactivities
Interactive_setup();
// Move first image to the front
MovetoFront();
}
//______________________________________________________________Make Reflection
if (reflection)
{
// Create new reflection Bitmap Data
var bmp2:BitmapData = new BitmapData( myOb.width, myOb.height, true, 0x000000);
// Flip vertical
var m:Matrix = new Matrix();
m.createBox(1, -1, 0, 0, myOb.height);
bmp2.draw( bmp, m );
//Reflection Bitmap Object
var b2:Bitmap = new Bitmap(bmp2);
// Reflection mask
m.createGradientBox(myOb.width, myOb.height,Math.PI/2,myOb.height);
var mymask:Shape = new Shape();
mymask.graphics.lineStyle(0,0,0);
mymask.graphics.beginGradientFill("linear", [0x000000, 0x000000],[refIn1, refIn2], [refDen1, refDen2],m) ;
mymask.graphics.lineTo(0, myOb.height);
mymask.graphics.lineTo(myOb.width, myOb.height);
mymask.graphics.lineTo(myOb.width, 0)
mymask.graphics.lineTo(0, 0)
mymask.graphics.endFill();
// CacheaAsBitmap
mymask.cacheAsBitmap = true;
b2.cacheAsBitmap = true;
// Create mask
b2.mask = mymask;
addChild(b2);
addChild(mymask);
var bmp3:BitmapData = new BitmapData(myOb.width, myOb.height, true, 0x000000);
bmp3.draw(b2);
// Create Reflection plane
var bm2:BitmapMaterial = new BitmapMaterial(bmp3);
bm2.doubleSided = refSmooth;
bm2.smooth = refDoubleSide;
var p2:Plane = new Plane(bm2, 1, 0, 2, 2);
p2.x = Math.cos( index * anglePer) * radius;
p2.z = Math.sin( index * anglePer) * radius;
p2.y = - refDist;
p2.rotationY = ( -index * anglePer) * (180/Math.PI) + 270;
scene.addChild(p2);
removeChild(b2);
removeChild(mymask);
p.extra.ref = p2;
}
//Sprite contains thumbnails
var container:Sprite = p.container;
// Setting Alpha value of thumbnails
container.alpha = Alpha;
pContainer[container] = p;
}
//___________________________________________________________Preloader
private function preload(e:Event):void
{
var preloader = e.target;
var bar = preloader.bar;
bar.scaleX += (tloaded / (2 * numphot) - bar.scaleX) * 0.1;
if (bar.scaleX >= 0.95) {
bar.scaleX = 1;
//Fade out preloader
Tweener.addTween( preloader, { alpha:0,
time:1,
transition:"easeOutExpo",
onComplete:function():void {
//remove preloader ~ load complete
removeChild(preloader)
// Fade in screen
container.visible = true;
container.alpha = 0;
Tweener.addTween( container, {alpha:1, time:1, transition:"easeOutExpo" } );
// Add caption, description
addChild(cap);
addChild(des);
}
});
// remove Enterframe event for preloader
preloader.removeEventListener(Event.ENTER_FRAME, preload);
// Fade in prev, next button
Tweener.addTween(prevbut,{alpha:1, time:1});
Tweener.addTween(nextbut,{alpha:1, time:1});
}
}
private function Img_loaded(e:Event):void
{
var img = e.target.loader;
// Make reference for further using
ImgContainer[imgInfor[img]] = img;
//Scale down and hide image
img.scaleX = 0;
img.scaleY = 0;
img.alpha = 0;
addChild(img);
// increase total loaded
tloaded++;
}
//________________________________________________________________Interactive Setup (Button)
private function Interactive_setup():void
{
// Previous Button
prevbut.buttonMode = true;
prevbut.addEventListener(MouseEvent.MOUSE_DOWN, prePress);
prevbut.addEventListener(MouseEvent.ROLL_OVER, preRollOver);
prevbut.addEventListener(MouseEvent.ROLL_OUT, preRollOut);
// Next Button
nextbut.buttonMode = true;
nextbut.addEventListener(MouseEvent.MOUSE_DOWN, nextPress);
nextbut.addEventListener(MouseEvent.ROLL_OVER, nextRollOver);
nextbut.addEventListener(MouseEvent.ROLL_OUT, nextRollOut);
}
private function prePress(e:Event):void
{
lID = cID;
rangle -= anglePer;
--cID;
MoveCamera(rangle);
}
private function preRollOver(e:Event):void
{
var but = e.target;
but.gotoAndPlay(2);
}
private function preRollOut(e:Event):void
{
var but = e.target;
but.gotoAndPlay(46);
}
private function nextPress(e:Event):void
{
lID = cID;
rangle += anglePer;
++cID;
MoveCamera(rangle);
}
private function nextRollOver(e:Event):void
{
var but = e.target;
but.gotoAndPlay(2);
}
private function nextRollOut(e:Event):void
{
var but = e.target;
but.gotoAndPlay(46);
}
//______________________________________________Thumbnail Roll Over, Roll Out, Press
//Thumb roll over
private function RollOver(e:Event):void
{
var p:Cube = pContainer[e.target];
var ob:Object = { x:p.extra.tPos.x,
z:p.extra.tPos.z,
time: mtime2,
transition:Img_easeType,
onUpdate: updatePos,
onUpdateParams: [p]
}
Tweener.addTween(p.extra.cPos, ob );
var index = p.extra.index;
// Tween Caption:Fade In/Fade Out
var FadeIn:Function = function(index:Number):void
{
cap.text = capt[index];
Tweener.addTween(cap, {alpha:1, time: (cTime/2), transition:cTrans});
}
Tweener.addTween(cap, {alpha:0, time: (cTime/2) , transition:cTrans, onComplete: FadeIn, onCompleteParams:[index]});
}
// Thumb roll out
private function RollOut(e:Event):void
{
var p:Cube = pContainer[e.target];
var ob:Object = { x:p.extra.oPos.x,
z:p.extra.oPos.z,
time: mtime2,
transition:Img_easeType,
onUpdate: updatePos,
onUpdateParams: [p]
}
Tweener.addTween(p.extra.cPos, ob );
}
// Thumb pressed
private function Press(e:Event):void
{
var container = e.target;
var p = pContainer[container];
if (flag == 0)
{
cap.alpha = 1;
des.visible = true;
for (var i:uint = 0; i < numphot; i++)
{
if ( i != p.extra.index)
{
var pl = scene.getChildByName("plane"+i);
//_____________________________________________________________________
//Add tweening alpha - Optional
Tweener.addTween(pl.container, {alpha:0, time:2, transition:"easeOutQuint"});
Tweener.addTween(pl.extra.ref.container, {alpha:0, time:2, transition:"easeOutQuint"});
//______________________________________________________________________
//Add tweening scale - Optional
/*
Tweener.addTween(pl.container, {scaleX:0, scaleY:0, time:2, transition:"easeOutQuint"});
Tweener.addTween(pl.extra.ref.container, {scaleX:0, scaleY:0, time:2, transition:"easeOutQuint"});
*/
}
}
var tob:DisplayObject3D = new DisplayObject3D();
tob.x = delta1 * (1 - camera.x) + camera.x;
tob.z = delta1 * (-camera.z) + camera.z;
tob.rotationY = (-angle % 360) + 270;
tob.moveLeft(delta2);
tPos.x = tob.x;
tPos.z = tob.z;
tPos.rotationY = tob.rotationY;
var myob:Object = { x:tPos.x,
z:tPos.z,
y:0,
rotationY:tPos.rotationY,
time:mtime3,
transition:Img_easeType2,
onUpdate:updatePos2,
onUpdateParams: [p]
};
// Move thumbnail to target position
Tweener.addTween( p, myob);
// Move Camera
Tweener.addTween(camera, {y:0, time: dTime, transition:dTrans });
//Fade In Descript4ion
des.htmlText = desc[p.extra.index];
Tweener.addTween(des, {alpha:1, time: dTime, transition:dTrans, onComplete:AddEvent, onCompleteParams:[p]});
cID = p.extra.index;
}
else
{
container.removeEventListener(MouseEvent.ROLL_OVER, RollOver2);
container.removeEventListener(MouseEvent.ROLL_OUT, RollOut2);
stage.removeEventListener(MouseEvent.MOUSE_MOVE, MouseMove);
prevbut.addEventListener(MouseEvent.MOUSE_DOWN, prePress);
nextbut.addEventListener(MouseEvent.MOUSE_DOWN, nextPress);
var myob2:Object = {x:p.extra.tPos.x,
z:p.extra.tPos.z,
y:0,
rotationY:p.extra.rotationY,
time:mtime3,
transition:Img_easeType2,
onUpdate:updatePos2,
onUpdateParams: [p]
};
// Move thumbnail back
Tweener.addTween( p, myob2);
for (var j:uint = 0; j < numphot; j++)
{
if ( j != p.extra.index)
{
var pl2 = scene.getChildByName("plane"+j);
//______________________________________________________________
//Add tweening alpha - Optional
Tweener.addTween(pl2.container, {alpha:1, time:2, transition:"easeOutQuint"});
Tweener.addTween(pl2.extra.ref.container, {alpha:1, time:2, transition:"easeOutQuint"});
//______________________________________________________________
//Add tweening scale - Optional
/*
Tweener.addTween(pl2.container, {scaleX:1, scaleY:1, time:2, transition:"easeOutQuint"});
Tweener.addTween(pl2.extra.ref.container, {scaleX:1, scaleY:1, time:2, transition:"easeOutQuint"});
*/
}
}
// Move Camera Back
Tweener.addTween(camera, {y:camHeight, time: dTime, transition:dTrans });
//Fade Out Descript4ion
Tweener.addTween(des, {alpha:0, time: dTime, transition:dTrans, onComplete:function():void {des.visible = false}});
//Fade Out image
neededScale = true;
Tweener.addTween(ImgContainer[cID], {scaleX:0, scaleY:0, alpha:0, time:1, transition:"easeOutQuint" });
}
flag = Math.abs(flag - 1);
}
//______________________________________________________________________
// New roll over, roll out when a thumbnail is presed
private function AddEvent(p:Cube):void
{
stage.addEventListener(MouseEvent.MOUSE_MOVE, MouseMove);
p.container.addEventListener(MouseEvent.ROLL_OVER, RollOver2);
p.container.addEventListener(MouseEvent.ROLL_OUT, RollOut2
);
// Also remove press event of prev/next btn
prevbut.removeEventListener(MouseEvent.MOUSE_DOWN, prePress);
nextbut.removeEventListener(MouseEvent.MOUSE_DOWN, nextPress);
}
private function RollOver2(e:Event):void
{
if (neededScale)
{
Tweener.addTween(ImgContainer[cID], {scaleX:1, scaleY:1, alpha:0.85, time:1, transition:"easeOutBack" });
neededScale = false;
}
stage.addEventListener(MouseEvent.MOUSE_MOVE, MouseMove);
}
private function RollOut2(e:Event):void
{
neededScale = true;
Tweener.addTween(ImgContainer[cID], {scaleX:0, scaleY:0, alpha:0, time:1, transition:"easeOutQuint" });
stage.removeEventListener(MouseEvent.MOUSE_MOVE, MouseMove);
}
private function MouseMove(e:Event):void
{
ImgContainer[cID].x = (stage.mouseX + 10) ;
ImgContainer[cID].y = (stage.mouseY + 10);
}
//_______________________________________________________________Update position
private function updatePos(p:Cube):void
{
p.x = p.extra.cPos.x;
p.z = p.extra.cPos.z;
p.extra.ref.x = p.x;
p.extra.ref.z = p.z;
}
private function updatePos2(p:Cube):void
{
p.extra.cPos.x = p.x;
p.extra.cPos.z = p.z;
p.extra.ref.x = p.x;
p.extra.ref.z = p.z;
p.extra.ref.rotationY = p.rotationY;
}
//__________________________________________________________________Move camera to next position
private function MoveCamera(an:Number):void
{
MovetoBack();
camPos.angle = an;
Tweener.addTween(COB, {angle: camPos.angle, time: mtime, transition:Cam_easeType, onUpdate:updateCamera, onComplete:MovetoFront});
}
private function MovetoFront():void
{
if (cID == numphot) cID = 0;
else
if (cID == -1) cID = numphot - 1;
var p = scene.getChildByName("plane" + cID);
//Increase quality
p.getMaterialByName("front").smooth = true;
var ob:Object = { x:p.extra.tPos.x,
z:p.extra.tPos.z,
time: mtime2,
transition:Img_easeType,
onUpdate: updatePos,
onUpdateParams: [p]
}
Tweener.addTween(p.extra.cPos, ob );
var index = p.extra.index;
// Tween Caption:Fade In/Fade Out
var FadeIn:Function = function(index:Number):void
{
cap.text = capt[index];
Tweener.addTween(cap, {alpha:1, time: (cTime/2), transition:cTrans});
}
Tweener.addTween(cap, {alpha:0, time: (cTime/2) , transition:cTrans, onComplete: FadeIn, onCompleteParams:[index]});
// Add press event to the front thumbnail
var container = p.container;
container.buttonMode = true;
container.addEventListener(MouseEvent.MOUSE_DOWN, Press);
}
private function MovetoBack():void
{
if (cID == numphot) cID = 0;
else
if (cID == -1) cID = numphot - 1;
var p = scene.getChildByName("plane" + lID);
// Increase performance
p.getMaterialByName("front").smooth = false;
var ob:Object = { x:p.extra.oPos.x,
z:p.extra.oPos.z,
time: mtime2,
transition:Img_easeType,
onUpdate: updatePos,
onUpdateParams: [p]
}
Tweener.addTween(p.extra.cPos, ob );
// Remove press event from the back thumbnail
var container = p.container;
container.buttonMode = false;
container.removeEventListener(MouseEvent.MOUSE_DOWN, Press);
}
private function updateCamera():void
{
var x = Math.cos( COB.angle) * cradius;
var z = Math.sin( COB.angle) * cradius;
camera.x = x;
camera.z = z;
angle = COB.angle * 180/Math.PI;
}
private function update3D(e:Event):void
{
scene.renderCamera( camera );
}
private function rePosition(e:Event):void
{
container.x = stage.stageWidth * 0.5;
container.y = stage.stageHeight * 0.5;
// Reposition caption, description
cap.x = (stage.stageWidth - cap.width) * 0.5 ;
cap.y = container.y + 150;
des.x = container.x ;
des.y = (stage.stageHeight - des.height) * 0.5 + 20 ;
prevbut.x = container.x - 390;
nextbut.x = container.x + 370;
prevbut.y = nextbut.y = container.y;
}
//__________________________________________Apply styleSheet in description field
private function InitDescription():void
{
// load external css
var req:URLRequest = new URLRequest("css/styles.css");
var loader:URLLoader = new URLLoader();
loader.load(req);
loader.addEventListener(Event.COMPLETE, cssLoaded);
// Adding text link event
addEventListener(TextEvent.LINK, clickText);
}
private function cssLoaded(e:Event):void
{
css.parseCSS(e.target.data);
des.styleSheet = css;
}
private function clickText(li:TextEvent):void
{
var myURL:URLRequest = new URLRequest(li.text);
navigateToURL(myURL,"_blank");
}
Espero no haya incoveniente con la cantidad de lineas que hay posteadas
... desde ya muchas gracias por la ayuda...Saludos!!
