MotionTrack Nunchucks（forked from: nunchucks）
カメラの前で手や顔や体を動かしてヌンチャクを操作します。
アチョーッ！！
※動きが悪い時は部屋を暗くしてLEDランプをカメラの前で動かすと結構動きますw
/**
* Copyright mousepancyo ( http://wonderfl.net/user/mousepancyo )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/wD8k
*/
// forked from Jacky.Riawan's nunchucks
package
{
import Box2D.Collision.b2AABB;
import Box2D.Collision.Shapes.b2PolygonDef;
import Box2D.Common.Math.b2Vec2;
import Box2D.Dynamics.b2Body;
import Box2D.Dynamics.b2BodyDef;
import Box2D.Dynamics.b2DebugDraw;
import Box2D.Dynamics.b2World;
import Box2D.Dynamics.Joints.b2MouseJoint;
import Box2D.Dynamics.Joints.b2MouseJointDef;
import Box2D.Dynamics.Joints.b2RevoluteJointDef;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.text.TextField;
import flash.media.Camera;
import flash.media.Video;
import flash.text.TextFormat;
/**
* ...
* @author Jacky Riawan
*/
[SWF(backgroundColor=0, width=465, height=465, frameRate=30)]
public class Main extends Sprite
{
private var world:b2World
private var myAABB:b2AABB
private const ratio:int = 20
private var joint:b2RevoluteJointDef = new b2RevoluteJointDef()
private var prevBody:b2Body
private var mouseJoint:b2MouseJoint;
private var boxBody:b2Body;
private var isHold:Boolean=false
private var lightHandle:b2PolygonDef;
private var heavyHandle:b2PolygonDef;
private var bodyToDestroyList:Vector.<b2Body>=new Vector.<b2Body>()
private var timer:int=0;
private var tx:TextField
public function Main()
{
tx = new TextField();
tx.defaultTextFormat = new TextFormat("_typewriter", 24, 0xFFFFFF, null, null, null, null, null, "center");
tx.width = 465;
tx.y = 220;
tx.selectable = false;
tx.text = "Click Start!"
addChild(tx);
graphics.beginFill(0);
graphics.drawRect(0, 0, 465, 465);
graphics.endFill();
initVideo()
stage.addEventListener(MouseEvent.CLICK, go);
}
private function go(e:MouseEvent):void
{
setupHeavyAndLightDef();
setupWorld();
setupDebugDraw();
createNunchuck();
addEventListener(Event.ENTER_FRAME, render);
removeChild(tx)
}
private function setupHeavyAndLightDef():void
{
heavyHandle = new b2PolygonDef()
heavyHandle.SetAsBox(20 / ratio, 2.5 / ratio)
heavyHandle.density = 2000
heavyHandle.filter.groupIndex = -1
lightHandle = new b2PolygonDef()
lightHandle.SetAsBox(20 / ratio, 2.5 / ratio)
lightHandle.density = 10
lightHandle.filter.groupIndex=-1
}
private function createObject():void {
var shape:b2PolygonDef = new b2PolygonDef()
shape.SetAsBox((Math.random() * 20 + 5) / ratio, (Math.random() * 15 + 5) / ratio)
shape.filter.categoryBits=1
shape.density=Math.random()/3+.1
var bodyDef:b2BodyDef = new b2BodyDef()
bodyDef.position.Set((Math.random() * 400) / ratio, 0)
var body:b2Body = world.CreateBody(bodyDef)
body.CreateShape(shape)
body.SetMassFromShapes()
bodyToDestroyList.push(body)
}
private function createNunchuck():void
{
//part1
var boxSD:b2PolygonDef = new b2PolygonDef()
boxSD.SetAsBox(20 / ratio, 2.5 / ratio)
boxSD.density = 10
boxSD.filter.groupIndex=-1
var boxBD:b2BodyDef = new b2BodyDef()
boxBD.position.Set(_px / ratio, _py / ratio)
boxBody = world.CreateBody(boxBD)
boxBody.CreateShape(lightHandle)
boxBody.SetMassFromShapes()
prevBody=boxBody
//part 2
var boxBD2:b2BodyDef = new b2BodyDef()
boxBD2.position.Set((_px+75) / ratio, _py / ratio)
var boxBody2:b2Body = world.CreateBody(boxBD2)
boxBody2.SetBullet(true)
boxBody2.CreateShape(boxSD)
boxBody2.SetMassFromShapes()
//chain
var chainBodyShape:b2PolygonDef = new b2PolygonDef()
chainBodyShape.SetAsBox(2.5 / ratio, .25 / ratio)
chainBodyShape.filter.groupIndex = -1
chainBodyShape.filter.categoryBits=1
for (var i:int = 0; i < 7; i++) {
var chainSD:b2BodyDef = new b2BodyDef()
chainBodyShape.density = 1000-i*50
chainSD.position.Set((_px+22.5 + i * 5) / ratio, _py / ratio)
var chainBody:b2Body = world.CreateBody(chainSD)
chainBody.CreateShape(chainBodyShape)
chainBody.SetMassFromShapes()
joint.Initialize(prevBody, chainBody, new b2Vec2(((_px+22.5 + i * 5) - 2.5) / ratio, _py/ratio))
world.CreateJoint(joint)
prevBody=chainBody
}
joint.Initialize(prevBody, boxBody2, new b2Vec2(((_px+22.5 + 7 * 5) - 2.5) / ratio, _py / ratio))
world.CreateJoint(joint)
var mouseJointDef:b2MouseJointDef = new b2MouseJointDef()
mouseJointDef.body2 = boxBody
mouseJointDef.body1 = world.GetGroundBody()
mouseJointDef.target.Set(_px / ratio, _py / ratio)
mouseJointDef.maxForce = 10000000
mouseJointDef.timeStep = 1 / 80
mouseJoint=world.CreateJoint(mouseJointDef) as b2MouseJoint
}
private function render(e:Event):void
{
_tracker.track();
_px = _tracker.px * (465 /320);
_py = _tracker.py * (465 /240);
//
//if (isHold) {
boxBody.SetAngularVelocity(0);//m_angularVelocity=0
//}
timer++
if (timer % 5 == 0) {
createObject();
}
world.Step(1 / 40, 20);
mouseJoint.SetTarget(new b2Vec2(_px / ratio, _py / ratio));
for (var i:int = 0; i < bodyToDestroyList.length; i++) {
var myBody:b2Body = bodyToDestroyList[i];
var body_y:Number = myBody.GetPosition().y;
var body_x:Number = myBody.GetPosition().x;
if (body_x<0||body_x>400/ratio||body_y<0||body_y > 400 / ratio) {
world.DestroyBody(myBody);
bodyToDestroyList.splice(i,1);
}
}
}
private function setupDebugDraw():void
{
var sprite:Sprite = new Sprite();
addChild(sprite);
var debugMode:b2DebugDraw = new b2DebugDraw();
debugMode.SetFlags(b2DebugDraw.e_shapeBit);
debugMode.m_sprite=sprite;
debugMode.m_drawScale = ratio;
debugMode.m_fillAlpha = .3;
world.SetDebugDraw(debugMode);
}
private function setupWorld():void
{
myAABB=new b2AABB();
myAABB.lowerBound.Set(-1000/ratio, -1000/ratio);
myAABB.upperBound.Set(1000/ratio,1000/ratio);
world=new b2World(myAABB,new b2Vec2(0,10),true);
}
//
private var _cam:Camera;
private var _tracker:Tracker;
private var _px:Number = 465 * .5
private var _py:Number = 465 * .5
private function initVideo():void
{
var video:Video = new Video();
_cam = Camera.getCamera();
_cam.setMode(video.width, video.height, 25);
video.attachCamera(_cam);
//
_tracker = new Tracker(video);
// Check Tracking
addChild(_tracker)
}
}
}
// Motion Tracker : http://wonderfl.net/c/bcRe
import flash.display.BlendMode;
import flash.filters.BlurFilter;
import flash.display.BitmapData;
import flash.geom.Matrix;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.media.Video;
import flash.display.Bitmap;
import flash.display.Sprite;
class Tracker extends Sprite{
public var _previous:BitmapData;
public var _current:BitmapData;
public var px:Number;
public var py:Number;
private var _blur:BlurFilter = new BlurFilter(64, 64);
private var _vid:Video;
private var _mirror:Matrix;
private var _point:Point = new Point();
private var _area:Rectangle;
private var _isMotion:Boolean = false;
public function Tracker(vid:Video) {
_vid = vid;
_mirror = new Matrix();
_mirror.scale( -1, 1);
_mirror.translate(_vid.width, 0);
_current = new BitmapData(_vid.width, _vid.height, false, 0x000000);
_previous = _current.clone();
//addChild(new Bitmap(_current))
//addChild(new Bitmap(_previous))
}
public function track():void {
_current.draw(_vid, _mirror);
_current.draw(_previous, null, null, BlendMode.DIFFERENCE);
_current.applyFilter(_current, _current.rect, _point, _blur);
_current.threshold(_current, _current.rect, _point, ">", 0xFF333333, 0xFFFFFFFF);
_previous.draw(_vid, _mirror);
_area = _current.getColorBoundsRect(0xFFFFFFFF, 0xFFFFFFFF, true);
_isMotion = ( _area.width > ( _vid.width / 100) * 10 || _area.height > (_vid.height / 100) * 10 );
if ( _isMotion ) {
px = _area.x;
py = _area.y;
graphics.clear();
graphics.lineStyle(1, 0xFF0000, .5);
graphics.drawRect(_area.x, _area.y, _area.width * 465 / 320, _area.height * 465 / 240);
}
}
}