livecodingspace-app/public/vwf/model/aframe/addon/aframe-components.js

/*
The MIT License (MIT)
Copyright (c) 2014-2018 Nikolai Suslov and the Krestianstvo.org project contributors. (https://github.com/NikolaySuslov/livecodingspace/blob/master/LICENSE.md)
*/

if (typeof AFRAME === 'undefined') {
    throw new Error('Component attempted to register before AFRAME was available.');
}

AFRAME.registerComponent('scene-utils', {


    init: function () {


        const sceneEnterVR = (e) => {

            //vwf_view.kernel.callMethod(vwf.application(), "enterVR");
            let avatarEl = document.querySelector('#avatarControlParent');
            if (AFRAME.utils.device.isMobileVR()) {

            } else if (AFRAME.utils.device.isMobile()) {
                avatarEl.setAttribute('position', '0 0 0')
            } else {
                avatarEl.setAttribute('position', '0 0 0'); //'0 1.6 0'
            }

            // if (!AFRAME.utils.device.isGearVR() && !AFRAME.utils.device.isMobile()) {
            //     avatarEl.setAttribute('position', '0 1.6 0');
            // }

        }

        const sceneExitVR = (e) => {

            //vwf_view.kernel.callMethod(vwf.application(), "exitVR");
            let avatarEl = document.querySelector('#avatarControlParent');

            if (AFRAME.utils.device.isMobileVR()) {
                //avatarEl.setAttribute('position', '0 0 0');
            } else if (AFRAME.utils.device.isMobile()) {
                avatarEl.setAttribute('position', '0 1.6 0');
            } else {
                avatarEl.setAttribute('position', '0 0 0');
            }

        }

        this.el.sceneEl.addEventListener('enter-vr', sceneEnterVR);
        this.el.sceneEl.addEventListener('exit-vr', sceneExitVR);

    },

    update: function () {
    },

    tick: function (t) {
    }
})


AFRAME.registerComponent('linepath', {
    schema: {
        color: { default: '#000' },
        width: { default: 0.01 },
        path: {
            default: [
                { x: -0.5, y: 0, z: 0 },
                { x: 0.5, y: 0, z: 0 }
            ]

            // Deserialize path in the form of comma-separated vec3s: `0 0 0, 1 1 1, 2 0 3`.
            // parse: function (value) {
            //   return value.split(',').map(coordinates.parse);
            // },

            // Serialize array of vec3s in case someone does setAttribute('line', 'path', [...]).
            // stringify: function (data) {
            //   return data.map(coordinates.stringify).join(',');
            // }
        }
    },

    update: function () {
        var material = new MeshLineMaterial({
            color: new THREE.Color(this.data.color), //this.data.color
            lineWidth: this.data.width
        });

        var geometry = new THREE.Geometry();
        this.data.path.forEach(function (vec3) {
            geometry.vertices.push(
                new THREE.Vector3(vec3.x, vec3.y, vec3.z)
            );
        });

        let line = new MeshLine();
        line.setGeometry(geometry);

        //new THREE.Line(geometry, material)

        this.el.setObject3D('mesh', new THREE.Mesh(line.geometry, material));
    },

    remove: function () {
        this.el.removeObject3D('mesh');
    }
});


AFRAME.registerComponent('gizmo', {

    schema: {
        mode: { default: 'translate' }
    },

    update: function (old) {
        let modes = ['translate', 'rotate', 'scale'];
        if (!this.gizmo) {
            let newMode = modes.filter(el => {
                return el == this.data.mode
            })
            if (newMode.length !== 0) {
                this.mode = this.data.mode
                this.transformControls.setMode(this.mode)
            }
        }
    },

    init: function () {
        let self = this
        this.mode = this.data.mode
        let activeCamera = document.querySelector('#avatarControl').getObject3D('camera');
        let renderer = this.el.sceneEl.renderer;

        this.transformControls = new THREE.TransformControls(activeCamera, renderer.domElement);

        this.transformControls.attach(this.el.object3D);
        this.el.sceneEl.setObject3D('control-' + this.el.id, this.transformControls);

        this.transformControls.addEventListener('change', function (evt) {
            // console.log('changed');
            var object = self.transformControls.object;
            if (object === undefined) {
                return;
            }

            var transformMode = self.transformControls.getMode();
            switch (transformMode) {
                case 'translate':
                    vwf_view.kernel.setProperty(object.el.id, 'position',
                        [object.position.x, object.position.y, object.position.z])

                    break;
                case 'rotate':
                    // let q = (new THREE.Quaternion()).setFromEuler(new THREE.Euler(
                    //     (object.rotation.x),
                    //     (object.rotation.y),
                    //     (object.rotation.z), 'XYZ'
                    //   ));
                    // let angle = (new THREE.Euler()).setFromQuaternion(q, 'YXZ');

                    // vwf_view.kernel.setProperty(object.el.id, 'rotation', [THREE.Math.radToDeg(angle.x), THREE.Math.radToDeg(angle.y), THREE.Math.radToDeg(angle.z)])
                    vwf_view.kernel.setProperty(object.el.id, 'rotation',
                        [THREE.Math.radToDeg(object.rotation.x), THREE.Math.radToDeg(object.rotation.y), THREE.Math.radToDeg(object.rotation.z)])

                    break;
                case 'scale':
                    vwf_view.kernel.setProperty(object.el.id, 'scale',
                        [object.scale.x, object.scale.y, object.scale.z])

                    break;
            }

            //vwf_view.kernel.fireEvent(evt.detail.target.id, "clickEvent")
        });
    },

    remove: function () {
        this.transformControls.detach();
        this.el.sceneEl.removeObject3D('control-' + this.el.id);

    },

    tick: function (t) {
       // this.transformControls.update();
    }

});



AFRAME.registerComponent('cursor-listener', {
    init: function () {
        this.el.addEventListener('click', function (evt) {
            console.log('I was clicked at: ', evt.detail.intersection.point);
            let cursorID = 'cursor-avatar-' + vwf_view.kernel.moniker();
            if (evt.detail.cursorEl.id.includes(vwf_view.kernel.moniker())) {
                vwf_view.kernel.fireEvent(evt.detail.intersection.object.el.id, "clickEvent", [vwf_view.kernel.moniker()])
            }
            //vwf_view.kernel.fireEvent(evt.detail.target.id, "clickEvent")
        });
    }
});

AFRAME.registerComponent('aabb-collider-listener', {

    init: function () {

        // let self = this;
        // this.me = vwf_view.kernel.moniker();
        this.el.addEventListener('hitstart', function (evt) {
            vwf_view.kernel.fireEvent(evt.target.id, "hitstartEvent");
        })

        this.el.addEventListener('hitend', function (evt) {
            vwf_view.kernel.fireEvent(evt.target.id, "hitendEvent");
        })
    }



});

AFRAME.registerComponent('raycaster-listener', {
    init: function () {

        let self = this;
        this.intersected = false;
        this.casters = {}
        this.me = vwf_view.kernel.moniker();
        this.driver = vwf.views["vwf/view/aframe"];

        this.el.addEventListener('raycaster-intersected', function (evt) {

            if (evt.detail.el.nodeName == 'A-CURSOR') {
                //console.log('CURSOR was intersected at: ', evt.detail.intersection.point);

            } else {
                if (self.intersected) {

                } else {
                    console.log('I was intersected at: ', evt.target);//evt.detail.getIntersection().point);
                    vwf_view.kernel.fireEvent(evt.target.id, "intersectEvent");
                }

                self.casters[evt.target.id] = evt.target;
                self.intersected = true;
            }

        });

        this.el.addEventListener('raycaster-intersected-cleared', function (evt) {


            if (evt.detail.el.nodeName == 'A-CURSOR') {
                //console.log('CURSOR was intersected at: ', evt.detail.intersection.point);

            } else {
                if (self.intersected) {
                    console.log('Clear intersection');
                    if (Object.entries(self.casters).length == 1 && (self.casters[evt.target.id] !== undefined)) {
                        vwf_view.kernel.fireEvent(evt.target.id, "clearIntersectEvent")
                    }
                    delete self.casters[evt.target.id]
                } else { }

                self.intersected = false;
            }



        });


    }
});

AFRAME.registerComponent('envmap', {

    /**
     * Creates a new THREE.ShaderMaterial using the two shaders defined
     * in vertex.glsl and fragment.glsl.
     */
    init: function () {
        const data = this.data;

        //this.applyToMesh();
        this.el.addEventListener('model-loaded', () => this.applyToMesh());
    },
    /**
     * Update the ShaderMaterial when component data changes.
     */
    update: function () {

    },

    getEnvMap: function () {

        var path = './assets/textures/skybox2/';
        var format = '.jpg';
        var urls = [
            path + 'px' + format, path + 'nx' + format,
            path + 'py' + format, path + 'ny' + format,
            path + 'pz' + format, path + 'nz' + format
        ];

        envMap = new THREE.CubeTextureLoader().load(urls);
        envMap.format = THREE.RGBFormat;
        return envMap;

    },

    /**
     * Apply the material to the current entity.
     */
    applyToMesh: function () {

        const mesh = this.el.getObject3D('mesh');
        //var scene = mesh;
        var envMap = this.getEnvMap();


        mesh.traverse(function (node) {

            if (node.material) {

                node.material.side = THREE.BackSide;
                node.material.needsUpdate = true;
                //side = THREE.DoubleSide; break;

            }

        });

        mesh.traverse(function (node) {

            if (node.material && (node.material.isMeshStandardMaterial ||
                (node.material.isShaderMaterial && node.material.envMap !== undefined))) {

                node.material.envMap = envMap;
                node.material.needsUpdate = true;


            }

        });

        // const mesh = this.el.getObject3D('mesh');
        // if (mesh) {
        //   mesh.material = this.material;
        // }

    },
    /**
     * On each frame, update the 'time' uniform in the shaders.
     */
    tick: function (t) {

    }
})

//https://threejs.org/examples/webgl_shaders_sky.html

AFRAME.registerComponent('skyshader', {


    makeSun: function () {
        let sunSphere = new THREE.Mesh(
            new THREE.SphereBufferGeometry(20000, 16, 8),
            new THREE.MeshBasicMaterial({ color: 0xffffff })
        );
        sunSphere.position.y = - 700000;
        sunSphere.visible = true;

        let scene = this.el.sceneEl;
        this.el.sceneEl.setObject3D('sun', sunSphere);
    },

    init: function () {

        //let sunSphereEl = document.querySelector('a-scene').querySelector('#sun');
        //this.sunSphere = sunSphereEl.object3D;
        this.makeSun();
        this.sunSphere = this.el.sceneEl.getObject3D('sun');

        this.sky = new THREE.Sky();
        let scene = this.el.sceneEl;


        let effectController = {
            turbidity: 5,
            rayleigh: 2,
            mieCoefficient: 0.005,
            mieDirectionalG: 0.8,
            luminance: 1,
            inclination: 0, // elevation / inclination
            azimuth: 0.25, // Facing front,
            sun: ! true
        };

        let uniforms = this.sky.uniforms;
        uniforms.turbidity.value = effectController.turbidity;
        uniforms.rayleigh.value = effectController.rayleigh;
        uniforms.luminance.value = effectController.luminance;
        uniforms.mieCoefficient.value = effectController.mieCoefficient;
        uniforms.mieDirectionalG.value = effectController.mieDirectionalG;

        this.el.setObject3D('mesh', this.sky.mesh);

        let distance = 400000;

        var theta = Math.PI * (effectController.inclination - 0.5);
        var phi = 2 * Math.PI * (effectController.azimuth - 0.5);

        this.sunSphere.position.x = distance * Math.cos(phi);
        this.sunSphere.position.y = distance * Math.sin(phi) * Math.sin(theta);
        this.sunSphere.position.z = distance * Math.sin(phi) * Math.cos(theta);

        this.sunSphere.visible = effectController.sun;
        this.sky.uniforms.sunPosition.value.copy(this.sunSphere.position);


    },

    update: function () {

    },

    tick: function (t) {

    }
})

AFRAME.registerComponent('sun', {


    init: function () {

        this.sunSphere = new THREE.Mesh(
            new THREE.SphereBufferGeometry(20000, 16, 8),
            new THREE.MeshBasicMaterial({ color: 0xffffff })
        );
        this.sunSphere.position.y = - 700000;
        this.sunSphere.visible = true;

        this.el.setObject3D('mesh', this.sunSphere);

    },

    update: function () {
    },

    tick: function (t) {
    }
})

AFRAME.registerComponent('gearvrcontrol', {

    init: function () {
        var self = this;
        var controllerID = 'gearvr-' + vwf_view.kernel.moniker();

        this.el.addEventListener('triggerdown', function (event) {
            vwf_view.kernel.callMethod(controllerID, "triggerdown", []);
        });

        this.el.addEventListener('triggerup', function (event) {
            vwf_view.kernel.callMethod(controllerID, "triggerup", []);
        });

    },

    update: function () {
    },

    tick: function (t) {
    }
})


AFRAME.registerComponent('wmrvrcontrol', {

    schema: {
        hand: { default: 'right' }
    },

    update: function (old) {
        this.hand = this.data.hand;
    },

    init: function () {
        var self = this;
        this.hand = this.data.hand;
        var controllerID = 'wrmr-' + this.hand + '-' + vwf_view.kernel.moniker();
        //this.gearel = document.querySelector('#gearvrcontrol');
        this.el.addEventListener('triggerdown', function (event) {
            vwf_view.kernel.callMethod(controllerID, "triggerdown", []);
        });
        this.el.addEventListener('triggerup', function (event) {
            vwf_view.kernel.callMethod(controllerID, "triggerup", []);
        });
    },

    tick: function (t) {
    }
})

AFRAME.registerComponent('streamsound', {

    schema: {
        positional: { default: true }
    },

    init: function () {
        var self = this;

        let driver = vwf.views["vwf/view/webrtc"];

        this.listener = null;
        this.stream = null;

        if (!this.sound) {
            this.setupSound();
        }

        if (driver) {
            //let avatarID = 'avatar-' + vwf.moniker();
            let avatarID = this.el.id.slice(0, 27); //avatar-0RtnYBBTBU84OCNcAAFY
            let client = driver.state.clients[avatarID];
            if (client) {
                if (client.connection) {
                    this.stream = client.connection.stream;
                    if (this.stream) {
                        this.audioEl = new Audio();
                        this.audioEl.srcObject = this.stream;

                        this.sound.setNodeSource(this.sound.context.createMediaStreamSource(this.stream));
                    }
                }
            }
        }

    },

    setupSound: function () {
        var el = this.el;
        var sceneEl = el.sceneEl;

        if (this.sound) {
            el.removeObject3D(this.attrName);
        }

        if (!sceneEl.audioListener) {
            sceneEl.audioListener = new THREE.AudioListener();
            sceneEl.camera && sceneEl.camera.add(sceneEl.audioListener);
            sceneEl.addEventListener('camera-set-active', function (evt) {
                evt.detail.cameraEl.getObject3D('camera').add(sceneEl.audioListener);
            });
        }
        this.listener = sceneEl.audioListener;

        this.sound = this.data.positional
            ? new THREE.PositionalAudio(this.listener)
            : new THREE.Audio(this.listener);
        el.setObject3D(this.attrName, this.sound);
    },

    remove: function () {
        if (!this.sound) return;

        this.el.removeObject3D(this.attrName);
        if (this.stream) {
            this.sound.disconnect();
        }
    },

    update: function (old) {

    },

    tick: function (t) {
    }
})


AFRAME.registerComponent('viewoffset', {

    // fullWidth:
    // fullHeight:
    // xoffset:
    // yoffset:
    // width:
    // height:

    schema: {
        fullWidth: { default: window.innerWidth },
        fullHeight: { default: window.innerHeight },
        xoffset: { default: window.innerWidth / 2 },
        yoffset: { default: window.innerHeight / 2 },
        width: { default: window.innerWidth },
        height: { default: window.innerHeight }
    },


    init: function () {
        var self = this;
        this.el.sceneEl.addEventListener('loaded', setOffset);

        function setOffset() {
            this.setNewOffset();
        }

    },


    update: function (old) {
        this.fullWidth = this.data.fullWidth;
        this.fullHeight = this.data.fullHeight;
        this.xoffset = this.data.xoffset;
        this.yoffset = this.data.yoffset;
        this.width = this.data.width;
        this.height = this.data.height;
        //console.log(this.data);
        this.setNewOffset();
    },

    setNewOffset: function () {
        this.el.object3DMap.camera.setViewOffset(
            this.data.fullWidth,
            this.data.fullHeight,
            this.data.xoffset,
            this.data.yoffset,
            this.data.width,
            this.data.height)
    },

    tick: function (t) {

    }
})

AFRAME.registerComponent("virtual-gamepad-controls", {
    schema: {},
  
    init() {
      this.onEnterVr = this.onEnterVr.bind(this);
      this.onExitVr = this.onExitVr.bind(this);
      this.onFirstInteraction = this.onFirstInteraction.bind(this);
      this.onMoveJoystickChanged = this.onMoveJoystickChanged.bind(this);
      this.onMoveJoystickEnd = this.onMoveJoystickEnd.bind(this);
      // this.onLookJoystickChanged = this.onLookJoystickChanged.bind(this);
      // this.onLookJoystickEnd = this.onLookJoystickEnd.bind(this);
  
      this.mockJoystickContainer = document.createElement("div");
      this.mockJoystickContainer.classList.add('mockJoystickContainer');
      const leftMock = document.createElement("div");
      leftMock.classList.add('mockJoystick');
      const leftMockSmall = document.createElement("div");
      leftMockSmall.classList.add('mockJoystick', 'inner');
      leftMock.appendChild(leftMockSmall);
      this.mockJoystickContainer.appendChild(leftMock);
      // const rightMock = document.createElement("div");
      // rightMock.classList.add('mockJoystick');
      // const rightMockSmall = document.createElement("div");
      // rightMockSmall.classList.add('mockJoystick', 'inner');
      // rightMock.appendChild(rightMockSmall);
      // this.mockJoystickContainer.appendChild(rightMock);
      document.body.appendChild(this.mockJoystickContainer);
  
      // Setup gamepad elements
      const leftTouchZone = document.createElement("div");
      leftTouchZone.classList.add('touchZone', 'left');
      document.body.appendChild(leftTouchZone);
  
      this.leftTouchZone = leftTouchZone;
  
      this.leftStick = nipplejs.create({
        zone: this.leftTouchZone,
        color: "white",
        fadeTime: 0
      });
  
      this.leftStick.on("start", this.onFirstInteraction);
      this.leftStick.on("move", this.onMoveJoystickChanged);
      this.leftStick.on("end", this.onMoveJoystickEnd);
  
      // const rightTouchZone = document.createElement("div");
      // rightTouchZone.classList.add('touchZone', 'right');
      // document.body.appendChild(rightTouchZone);
  
      // this.rightTouchZone = rightTouchZone;
  
      // this.rightStick = nipplejs.create({
      //   zone: this.rightTouchZone,
      //   color: "white",
      //   fadeTime: 0
      // });
  
      // this.rightStick.on("start", this.onFirstInteraction);
      // this.rightStick.on("move", this.onLookJoystickChanged);
      // this.rightStick.on("end", this.onLookJoystickEnd);
  
      this.inVr = false;
      this.moving = false;
      this.rotating = false;
  
      this.moveEvent = {
        axis: [0, 0]
      };
  
      // this.rotateYEvent = {
      //   value: 0
      // };
      // this.rotateXEvent = {
      //   value: 0
      // };
  
      this.el.sceneEl.addEventListener("enter-vr", this.onEnterVr);
      this.el.sceneEl.addEventListener("exit-vr", this.onExitVr);
    },
  
    onFirstInteraction() {
      this.leftStick.off("start", this.onFirstInteraction);
      //this.rightStick.off("start", this.onFirstInteraction);
      document.body.removeChild(this.mockJoystickContainer);
    },
  
    onMoveJoystickChanged(event, joystick) {
      const angle = joystick.angle.radian;
      const force = joystick.force < 1 ? joystick.force : 1;
      const moveStrength = 1.85;
      const x = Math.cos(angle) * force * moveStrength;
      const z = Math.sin(angle) * force * moveStrength;
      this.moving = true;
      this.moveEvent.axis[0] = x;
      this.moveEvent.axis[1] = z;
    },
  
    onMoveJoystickEnd() {
      this.moving = false;
      this.moveEvent.axis[0] = 0;
      this.moveEvent.axis[1] = 0;
      this.el.emit("move", this.moveEvent);
    },
  
    onLookJoystickChanged(event, joystick) {
      // Set pitch and yaw angles on right stick move
      const angle = joystick.angle.radian;
      const force = joystick.force < 1 ? joystick.force : 1;
      const turnStrength = 0.5;
      this.rotating = true;
      this.rotateYEvent.value = Math.cos(angle) * force * turnStrength;
      this.rotateXEvent.value = Math.sin(angle) * force * turnStrength;
    },
  
    onLookJoystickEnd() {
      this.rotating = false;
      this.rotateYEvent.value = 0;
      this.rotateXEvent.value = 0;
      this.el.emit("rotateY", this.rotateYEvent);
      this.el.emit("rotateX", this.rotateXEvent);
    },
  
    tick() {
      if (!this.inVr) {
        if (this.moving) {
          this.el.emit("move", this.moveEvent);
        }
  
        // if (this.rotating) {
        //   this.el.emit("rotateY", this.rotateYEvent);
        //   this.el.emit("rotateX", this.rotateXEvent);
        // }
      }
    },
  
    onEnterVr() {
      // Hide the joystick controls
      this.inVr = true;
      this.leftTouchZone.style.display = "none";
      // this.rightTouchZone.style.display = "none";
    },
  
    onExitVr() {
      // Show the joystick controls
      this.inVr = false;
      this.leftTouchZone.style.display = "block";
      // this.rightTouchZone.style.display = "block";
    },
  
    remove() {
      this.el.sceneEl.removeEventListener("entervr", this.onEnterVr);
      this.el.sceneEl.removeEventListener("exitvr", this.onExitVr);
      if (document.getElementsByClassName('mockJoystickContainer').length > 0){
        document.body.removeChild(this.mockJoystickContainer);
      }
      document.body.removeChild(this.leftTouchZone);
      // document.body.removeChild(this.rightTouchZone);
    }
  });
  

/////////////////////////////////AR_JS/////////////////////////////////////////////
//		arjs-anchor
//////////////////////////////////////////////////////////////////////////////
AFRAME.registerComponent('arjs-anchor', {
	dependencies: ['arjs', 'artoolkit'],
	schema: {
		preset: {
			type: 'string',
		},
		markerhelpers : {	// IIF preset === 'area'
			type: 'boolean',
			default: false,
		},

		// controls parameters
		size: {
			type: 'number',
			default: 1
		},
		type: {
			type: 'string',
		},
		patternUrl: {
			type: 'string',
		},
		barcodeValue: {
			type: 'number'
		},
		changeMatrixMode: {
			type: 'string',
			default : 'modelViewMatrix',
		},
		minConfidence: {
			type: 'number',
			default: 0.6,
		},
	},
	init: function () {
		var _this = this

		// get arjsSystem
		var arjsSystem = this.el.sceneEl.systems.arjs || this.el.sceneEl.systems.artoolkit;

        
		//////////////////////////////////////////////////////////////////////////////
		//		Code Separator
		//////////////////////////////////////////////////////////////////////////////

		_this.isReady = false
		_this._arAnchor = null

        if(arjsSystem) {

		// honor object visibility
		if( _this.data.changeMatrixMode === 'modelViewMatrix' ){
			_this.el.object3D.visible = false
		}else if( _this.data.changeMatrixMode === 'cameraTransformMatrix' ){
 			_this.el.sceneEl.object3D.visible = false
		}else console.assert(false)

		// trick to wait until arjsSystem is isReady
		var startedAt = Date.now()
		var timerId = setInterval(function(){
			// wait until the system is isReady
			if( arjsSystem.isReady === false )	return

			clearInterval(timerId)

			//////////////////////////////////////////////////////////////////////////////
			//		update arProfile
			//////////////////////////////////////////////////////////////////////////////
			var arProfile = arjsSystem._arProfile

			// arProfile.changeMatrixMode('modelViewMatrix')
			arProfile.changeMatrixMode(_this.data.changeMatrixMode)

			// honor this.data.preset
			var markerParameters = Object.assign({}, arProfile.defaultMarkerParameters)

			if( _this.data.preset === 'hiro' ){
				markerParameters.type = 'pattern'
				markerParameters.patternUrl = THREEx.ArToolkitContext.baseURL+'examples/marker-training/examples/pattern-files/pattern-hiro.patt'
				markerParameters.markersAreaEnabled = false
			}else if( _this.data.preset === 'kanji' ){
				markerParameters.type = 'pattern'
				markerParameters.patternUrl = THREEx.ArToolkitContext.baseURL+'examples/marker-training/examples/pattern-files/pattern-kanji.patt'
				markerParameters.markersAreaEnabled = false
			}else if( _this.data.preset === 'area' ){
				markerParameters.type = 'barcode'
				markerParameters.barcodeValue = 1001
				markerParameters.markersAreaEnabled = true
			}else if( _this.data.type === 'barcode' ){
				markerParameters = {
					type:               _this.data.type,
					changeMatrixMode:   'modelViewMatrix',
					barcodeValue:       _this.data.barcodeValue,
					markersAreaEnabled: false
				}
			}else if( _this.data.type === 'pattern' ){
				markerParameters.type = _this.data.type
				markerParameters.patternUrl = _this.data.patternUrl;
				markerParameters.markersAreaEnabled = false
			}else {
				// console.assert( this.data.preset === '', 'illegal preset value '+this.data.preset)
			}

			//////////////////////////////////////////////////////////////////////////////
			//		create arAnchor
			//////////////////////////////////////////////////////////////////////////////

			var arSession = arjsSystem._arSession
			var arAnchor  = _this._arAnchor = new ARjs.Anchor(arSession, markerParameters)

			// it is now considered isReady
			_this.isReady = true

			//////////////////////////////////////////////////////////////////////////////
			//		honor .debugUIEnabled
			//////////////////////////////////////////////////////////////////////////////
			if( arjsSystem.data.debugUIEnabled ){
				// get or create containerElement
				var containerElement = document.querySelector('#arjsDebugUIContainer')
				if( containerElement === null ){
					containerElement = document.createElement('div')
					containerElement.id = 'arjsDebugUIContainer'
					containerElement.setAttribute('style', 'position: fixed; bottom: 10px; width:100%; text-align: center; z-index: 1; color: grey;')
					document.body.appendChild(containerElement)
				}
				// create anchorDebugUI
				var anchorDebugUI = new ARjs.AnchorDebugUI(arAnchor)
				containerElement.appendChild(anchorDebugUI.domElement)
			}
        }, 1000/60)
        
    }
	},
	remove : function(){
	},
	update: function () {
	},
	tick: function(){
		var _this = this
		// if not yet isReady, do nothing
		if( this.isReady === false )	return

		//////////////////////////////////////////////////////////////////////////////
		//		update arAnchor
		//////////////////////////////////////////////////////////////////////////////
		var arjsSystem = this.el.sceneEl.systems.arjs || this.el.sceneEl.systems.artoolkit
		this._arAnchor.update()

		//////////////////////////////////////////////////////////////////////////////
		//		honor pose
		//////////////////////////////////////////////////////////////////////////////
		var arWorldRoot = this._arAnchor.object3d
		arWorldRoot.updateMatrixWorld(true)
		arWorldRoot.matrixWorld.decompose(this.el.object3D.position, this.el.object3D.quaternion, this.el.object3D.scale)

		//////////////////////////////////////////////////////////////////////////////
		//		honor visibility
		//////////////////////////////////////////////////////////////////////////////
		if( _this._arAnchor.parameters.changeMatrixMode === 'modelViewMatrix' ){
			var wasVisible = _this.el.object3D.visible
			_this.el.object3D.visible = this._arAnchor.object3d.visible
		}else if( _this._arAnchor.parameters.changeMatrixMode === 'cameraTransformMatrix' ){
			var wasVisible = _this.el.sceneEl.object3D.visible
			_this.el.sceneEl.object3D.visible = this._arAnchor.object3d.visible
		}else console.assert(false)

		// emit markerFound markerLost
		if( _this._arAnchor.object3d.visible === true && wasVisible === false ){
			_this.el.emit('markerFound')
		}else if( _this._arAnchor.object3d.visible === false && wasVisible === true ){
			_this.el.emit('markerLost')
		}


	}
})

//////////////////////////////////////////////////////////////////////////////
//                define some primitives shortcuts
//////////////////////////////////////////////////////////////////////////////

AFRAME.registerPrimitive('a-anchor', AFRAME.utils.extendDeep({}, AFRAME.primitives.getMeshMixin(), {
	defaultComponents: {
		'arjs-anchor': {},
		'arjs-hit-testing': {},
	},
	mappings: {
		'type': 'arjs-anchor.type',
		'size': 'arjs-anchor.size',
		'url': 'arjs-anchor.patternUrl',
		'value': 'arjs-anchor.barcodeValue',
		'preset': 'arjs-anchor.preset',
		'minConfidence': 'arjs-anchor.minConfidence',
		'markerhelpers': 'arjs-anchor.markerhelpers',

		'hit-testing-renderDebug': 'arjs-hit-testing.renderDebug',
		'hit-testing-enabled': 'arjs-hit-testing.enabled',
	}
}))



AFRAME.registerPrimitive('a-camera-static', AFRAME.utils.extendDeep({}, AFRAME.primitives.getMeshMixin(), {
	defaultComponents: {
		'camera': {},
	},
	mappings: {
	}
}))

//////////////////////////////////////////////////////////////////////////////
//		backward compatibility
//////////////////////////////////////////////////////////////////////////////
// FIXME
AFRAME.registerPrimitive('a-marker', AFRAME.utils.extendDeep({}, AFRAME.primitives.getMeshMixin(), {
	defaultComponents: {
		'arjs-anchor': {},
		'arjs-hit-testing': {},
	},
	mappings: {
		'type': 'arjs-anchor.type',
		'size': 'arjs-anchor.size',
		'url': 'arjs-anchor.patternUrl',
		'value': 'arjs-anchor.barcodeValue',
		'preset': 'arjs-anchor.preset',
		'minConfidence': 'arjs-anchor.minConfidence',
		'markerhelpers': 'arjs-anchor.markerhelpers',

		'hit-testing-renderDebug': 'arjs-hit-testing.renderDebug',
		'hit-testing-enabled': 'arjs-hit-testing.enabled',
	}
}))

AFRAME.registerPrimitive('a-marker-camera', AFRAME.utils.extendDeep({}, AFRAME.primitives.getMeshMixin(), {
	defaultComponents: {
		'arjs-anchor': {
			changeMatrixMode: 'cameraTransformMatrix'
		},
		'camera': {},
	},
	mappings: {
		'type': 'arjs-anchor.type',
		'size': 'arjs-anchor.size',
		'url': 'arjs-anchor.patternUrl',
		'value': 'arjs-anchor.barcodeValue',
		'preset': 'arjs-anchor.preset',
		'minConfidence': 'arjs-anchor.minConfidence',
		'markerhelpers': 'arjs-anchor.markerhelpers',
	}
}))
//////////////////////////////////////////////////////////////////////////////
//		arjs-hit-testing
//////////////////////////////////////////////////////////////////////////////
AFRAME.registerComponent('arjs-hit-testing', {
	dependencies: ['arjs', 'artoolkit'],
	schema: {
		enabled : {
			type: 'boolean',
			default: false,
		},
		renderDebug : {
			type: 'boolean',
			default: false,
		},
	},
	init: function () {
		var _this = this
		var arjsSystem = this.el.sceneEl.systems.arjs || this.el.sceneEl.systems.artoolkit;

       

// TODO make it work on cameraTransformMatrix too
// 
		_this.isReady = false
		_this._arAnchor = null
        _this._arHitTesting = null

        if(arjsSystem) {

		// trick to wait until arjsSystem is isReady
		var startedAt = Date.now()
		var timerId = setInterval(function(){
			var anchorEl = _this.el
			var anchorComponent = anchorEl.components['arjs-anchor']
			// wait until anchorComponent is isReady
			if( anchorComponent === undefined || anchorComponent.isReady === false )	return

			clearInterval(timerId)

			//////////////////////////////////////////////////////////////////////////////
			//		create arAnchor
			//////////////////////////////////////////////////////////////////////////////
			var arAnchor = anchorComponent._arAnchor
			var arSession = arjsSystem._arSession
			var renderer = arSession.parameters.renderer

			var hitTesting = _this._arHitTesting = new ARjs.HitTesting(arSession)
			hitTesting.enabled = _this.data.enabled
			
			// tango only - picking to set object position
			// renderer.domElement.addEventListener("click", function(domEvent){
			// 	var hitTestResults = hitTesting.testDomEvent(domEvent)
			// 	if( hitTestResults.length === 0 )	return

			// 	var hitTestResult = hitTestResults[0]
			// 	hitTestResult.apply(arAnchor.object3d)
			// })
			
			_this.isReady = true
        }, 1000/60)
    }
	},
	remove : function(){
	},
	update: function () {
	},
	tick: function(){
		var _this = this
		// if not yet isReady, do nothing
		if( this.isReady === false )	return

		var arjsSystem = this.el.sceneEl.systems.arjs || this.el.sceneEl.systems.artoolkit
		var arSession = arjsSystem._arSession

		var anchorEl = _this.el
		var anchorComponent = anchorEl.components['arjs-anchor']
		var arAnchor = anchorComponent._arAnchor
		

		var hitTesting = this._arHitTesting
		var camera = arSession.parameters.camera
// console.log(camera.position)
		hitTesting.update(camera, arAnchor.object3d, arAnchor.parameters.changeMatrixMode)
	}
});