在动作脚本中给视频添加噪音
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在开始之前，我要道歉，如果我要问的问题被视为超级新手问题。
所以我尝试了Lee Brimelow的有关使用actionscript3创建简单AR场景的教程。 （http://blog.theflashblog.com/?p=901）
考虑到我以前从未使用Adobe Flex Builder创建过某些东西，因此效果很好。 （我在看了那些教程之后就安装了Flex Builder）
这是源代码
package {
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.events.Event;
import flash.media.Camera;
import flash.media.Video;
import flash.utils.ByteArray;
import org.libspark.flartoolkit.core.FLARCode;
import org.libspark.flartoolkit.core.param.FLARParam;
import org.libspark.flartoolkit.core.raster.rgb.FLARRgbRaster_BitmapData;
import org.libspark.flartoolkit.core.transmat.FLARTransMatResult;
import org.libspark.flartoolkit.detector.FLARSingleMarkerDetector;
import org.libspark.flartoolkit.support.pv3d.FLARBaseNode;
import org.libspark.flartoolkit.support.pv3d.FLARCamera3D;
import org.papervision3d.lights.PointLight3D;
import org.papervision3d.materials.shadematerials.FlatShadeMaterial;
import org.papervision3d.materials.utils.MaterialsList;
import org.papervision3d.objects.primitives.Cube;
import org.papervision3d.render.BasicRenderEngine;
import org.papervision3d.scenes.Scene3D;
import org.papervision3d.view.Viewport3D;
[SWF(width=\"640\", height=\"480\", frameRate=\"30\", backgroundColor=\"#FFFFFF\")]
public class FLARdemo extends Sprite
{
[Embed(source=\"pat1.pat\", mimeType=\"application/octet-stream\")]
private var pattern:Class;
[Embed(source=\"camera_para.dat\", mimeType=\"application/octet-stream\")]
private var params:Class;
private var fparams:FLARParam;
private var mpattern:FLARCode;
private var vid:Video;
private var cam:Camera;
private var bmd:BitmapData;
private var raster:FLARRgbRaster_BitmapData;
private var detector:FLARSingleMarkerDetector;
private var scene:Scene3D;
private var camera:FLARCamera3D;
private var container:FLARBaseNode;
private var vp:Viewport3D;
private var bre:BasicRenderEngine;
private var trans:FLARTransMatResult;
public function FLARdemo()
{
setupFLAR();
setupCamera();
setupBitmap();
setupPV3D();
addEventListener(Event.ENTER_FRAME, loop);
}
private function setupFLAR():void
{
fparams = new FLARParam();
fparams.loadARParam(new params() as ByteArray);
mpattern = new FLARCode(16, 16);
mpattern.loadARPatt(new pattern());
}
private function setupCamera():void
{
vid = new Video(640, 480);
cam = Camera.getCamera();
cam.setMode(640, 480, 30);
vid.attachCamera(cam);
addChild(vid);
}
private function setupBitmap():void
{
bmd = new BitmapData(640, 480);
bmd.draw(vid);
raster = new FLARRgbRaster_BitmapData(bmd);
detector = new FLARSingleMarkerDetector(fparams, mpattern, 80);
}
private function setupPV3D():void
{
scene = new Scene3D();
camera = new FLARCamera3D(fparams);
container = new FLARBaseNode();
scene.addChild(container);
var pl:PointLight3D = new PointLight3D();
pl.x = 1000;
pl.y = 1000;
pl.z = -1000;
var ml:MaterialsList = new MaterialsList({all: new FlatShadeMaterial(pl)});
var Cube1:Cube = new Cube(ml, 30, 30, 30);
var Cube2:Cube = new Cube(ml, 30, 30, 30);
Cube2.z = 50
var Cube3:Cube = new Cube(ml, 30, 30, 30);
Cube3.z = 100
container.addChild(Cube1);
container.addChild(Cube2);
container.addChild(Cube3);
bre = new BasicRenderEngine();
trans = new FLARTransMatResult();
vp = new Viewport3D;
addChild(vp);
}
private function loop(e:Event):void
{
bmd.draw(vid);
try
{
if(detector.detectMarkerLite(raster, 80) && detector.getConfidence() > 0.5)
{
detector.getTransformMatrix(trans);
container.setTransformMatrix(trans);
bre.renderScene(scene, camera, vp);
}
}
catch(e:Error){}
}
}
}
没有找到相关结果
已邀请:
1 个回复
苦诫
package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.BlendMode; import flash.display.Sprite; import flash.events.Event; import flash.geom.Matrix; import flash.media.Camera; import flash.media.Video; import flash.utils.getTimer; public class NoiseMain extends Sprite { protected static const VID_WIDTH : uint = 640; protected static const VID_HEIGHT : uint = 480; protected static const NOISE_SCALE_X : Number = 4; protected static const NOISE_SCALE_Y : Number = 2; protected var _vid : Video; protected var _noise : BitmapData; protected var _composite : BitmapData; protected var _matrix : Matrix; public function NoiseMain() { // We\'re creating a webcam outlet, but not adding it to the stage since we want to post-process the image. _vid = new Video(VID_WIDTH, VID_HEIGHT); var cam : Camera = Camera.getCamera(); cam.setMode(VID_WIDTH, VID_HEIGHT, 30); _vid.attachCamera(cam); var w : uint = Math.ceil(VID_WIDTH / NOISE_SCALE_X); var h : uint = Math.ceil(VID_HEIGHT / NOISE_SCALE_Y); _noise = new BitmapData(w, h, false, 0xFFFFFF); _composite = new BitmapData(VID_WIDTH, VID_HEIGHT, false, 0x000000); var bmp : Bitmap = new Bitmap(_composite); addChild(bmp); _matrix = new Matrix(NOISE_SCALE_X, 0, 0, NOISE_SCALE_Y); stage.addEventListener(Event.ENTER_FRAME, enterFrameHandler); } protected function enterFrameHandler(evt : Event) : void { _noise.noise(getTimer(), 204, 255, 7, true); _composite.lock(); _composite.draw(_vid); _composite.draw(_noise, _matrix, null, BlendMode.MULTIPLY); _composite.unlock(); } } }