add mirror object

public/app.js

@@ -1130,6 +1130,7 @@ class App {
 
     let revs = await userDB.get('documents').get(public_path).get(docName).get('revs').promOnce();
     if (revs) {
+      if(revs.data) {
       for (const res of Object.keys(revs.data)) {
         if (res !== '_') {
           let el = await userDB.get('documents').get(public_path).get(docName).get('revs').get(res).promOnce();
@@ -1139,6 +1140,7 @@ class App {
       }
       return result
     }
+    }
   }
 
   // GetLoadInformation receives a parsed request {private_path, public_path, instance, application} and returns the

public/defaults/proxy/vwf.example.com/aframe/a-mirror-component.vwf.yaml

@@ -0,0 +1,7 @@
+# aabb-collider-component
+---
+extends: http://vwf.example.com/aframe/aentityComponent.vwf
+type: "component"
+properties:
+  camera:
+  renderothermirror:

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

@@ -1142,3 +1142,383 @@ AFRAME.registerComponent('arjs-hit-testing', {
 	}
 });
 
+///MIRROR//
+
+THREE.ShaderLib[ 'mirror' ] = {
+
+	uniforms: {
+		"mirrorColor": { value: new THREE.Color( 0x7F7F7F ) },
+		"mirrorSampler": { value: null },
+		"textureMatrix" : { value: new THREE.Matrix4() }
+	},
+
+	vertexShader: [
+
+		"uniform mat4 textureMatrix;",
+
+		"varying vec4 mirrorCoord;",
+
+		"void main() {",
+
+			"vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
+			"vec4 worldPosition = modelMatrix * vec4( position, 1.0 );",
+			"mirrorCoord = textureMatrix * worldPosition;",
+
+			"gl_Position = projectionMatrix * mvPosition;",
+
+		"}"
+
+	].join( "\n" ),
+
+	fragmentShader: [
+
+		"uniform vec3 mirrorColor;",
+		"uniform sampler2D mirrorSampler;",
+
+		"varying vec4 mirrorCoord;",
+
+		"float blendOverlay(float base, float blend) {",
+			"return( base < 0.5 ? ( 2.0 * base * blend ) : (1.0 - 2.0 * ( 1.0 - base ) * ( 1.0 - blend ) ) );",
+		"}",
+
+		"void main() {",
+
+			"vec4 color = texture2DProj(mirrorSampler, mirrorCoord);",
+			"color = vec4(blendOverlay(mirrorColor.r, color.r), blendOverlay(mirrorColor.g, color.g), blendOverlay(mirrorColor.b, color.b), 1.0);",
+
+			"gl_FragColor = color;",
+
+		"}"
+
+	].join( "\n" )
+
+};
+
+THREE.Mirror = function ( renderer, camera, options ) {
+
+	THREE.Object3D.call( this );
+
+	this.name = 'mirror_' + this.id;
+
+	options = options || {};
+
+	this.matrixNeedsUpdate = true;
+
+	var width = options.textureWidth !== undefined ? options.textureWidth : 512;
+	var height = options.textureHeight !== undefined ? options.textureHeight : 512;
+
+	this.clipBias = options.clipBias !== undefined ? options.clipBias : 0.0;
+
+	var mirrorColor = options.color !== undefined ? new THREE.Color( options.color ) : new THREE.Color( 0x7F7F7F );
+
+	this.renderer = renderer;
+	this.mirrorPlane = new THREE.Plane();
+	this.normal = new THREE.Vector3( 0, 0, 1 );
+	this.mirrorWorldPosition = new THREE.Vector3();
+	this.cameraWorldPosition = new THREE.Vector3();
+	this.rotationMatrix = new THREE.Matrix4();
+	this.lookAtPosition = new THREE.Vector3( 0, 0, - 1 );
+	this.clipPlane = new THREE.Vector4();
+
+	// For debug only, show the normal and plane of the mirror
+	var debugMode = options.debugMode !== undefined ? options.debugMode : false;
+
+	if ( debugMode ) {
+
+		var arrow = new THREE.ArrowHelper( new THREE.Vector3( 0, 0, 1 ), new THREE.Vector3( 0, 0, 0 ), 10, 0xffff80 );
+		var planeGeometry = new THREE.Geometry();
+		planeGeometry.vertices.push( new THREE.Vector3( - 10, - 10, 0 ) );
+		planeGeometry.vertices.push( new THREE.Vector3( 10, - 10, 0 ) );
+		planeGeometry.vertices.push( new THREE.Vector3( 10, 10, 0 ) );
+		planeGeometry.vertices.push( new THREE.Vector3( - 10, 10, 0 ) );
+		planeGeometry.vertices.push( planeGeometry.vertices[ 0 ] );
+		var plane = new THREE.Line( planeGeometry, new THREE.LineBasicMaterial( { color: 0xffff80 } ) );
+
+		this.add( arrow );
+		this.add( plane );
+
+	}
+
+	if ( camera instanceof THREE.PerspectiveCamera ) {
+
+		this.camera = camera;
+
+	} else {
+
+		this.camera = new THREE.PerspectiveCamera();
+		console.log( this.name + ': camera is not a Perspective Camera!' );
+
+	}
+
+	this.textureMatrix = new THREE.Matrix4();
+
+	this.mirrorCamera = this.camera.clone();
+	this.mirrorCamera.matrixAutoUpdate = true;
+
+	var parameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat, stencilBuffer: false };
+
+	this.renderTarget = new THREE.WebGLRenderTarget( width, height, parameters );
+	this.renderTarget2 = new THREE.WebGLRenderTarget( width, height, parameters );
+
+	var mirrorShader = THREE.ShaderLib[ "mirror" ];
+	var mirrorUniforms = THREE.UniformsUtils.clone( mirrorShader.uniforms );
+
+	this.material = new THREE.ShaderMaterial( {
+
+		fragmentShader: mirrorShader.fragmentShader,
+		vertexShader: mirrorShader.vertexShader,
+		uniforms: mirrorUniforms
+
+	} );
+
+	this.material.uniforms.mirrorSampler.value = this.renderTarget.texture;
+	this.material.uniforms.mirrorColor.value = mirrorColor;
+	this.material.uniforms.textureMatrix.value = this.textureMatrix;
+
+	if ( ! THREE.Math.isPowerOfTwo( width ) || ! THREE.Math.isPowerOfTwo( height ) ) {
+
+		this.renderTarget.texture.generateMipmaps = false;
+		this.renderTarget2.texture.generateMipmaps = false;
+
+	}
+
+	this.updateTextureMatrix();
+	this.render();
+
+};
+
+THREE.Mirror.prototype = Object.create( THREE.Object3D.prototype );
+THREE.Mirror.prototype.constructor = THREE.Mirror;
+
+THREE.Mirror.prototype.renderWithMirror = function ( otherMirror ) {
+
+	// update the mirror matrix to mirror the current view
+	this.updateTextureMatrix();
+	this.matrixNeedsUpdate = false;
+
+	// set the camera of the other mirror so the mirrored view is the reference view
+	var tempCamera = otherMirror.camera;
+	otherMirror.camera = this.mirrorCamera;
+
+	// render the other mirror in temp texture
+	otherMirror.renderTemp();
+	otherMirror.material.uniforms.mirrorSampler.value = otherMirror.renderTarget2.texture;
+
+	// render the current mirror
+	this.render();
+	this.matrixNeedsUpdate = true;
+
+	// restore material and camera of other mirror
+	otherMirror.material.uniforms.mirrorSampler.value = otherMirror.renderTarget.texture;
+	otherMirror.camera = tempCamera;
+
+	// restore texture matrix of other mirror
+	otherMirror.updateTextureMatrix();
+
+};
+
+THREE.Mirror.prototype.updateTextureMatrix = function () {
+
+	this.updateMatrixWorld();
+	this.camera.updateMatrixWorld();
+
+	this.mirrorWorldPosition.setFromMatrixPosition( this.matrixWorld );
+	this.cameraWorldPosition.setFromMatrixPosition( this.camera.matrixWorld );
+
+	this.rotationMatrix.extractRotation( this.matrixWorld );
+
+	this.normal.set( 0, 0, 1 );
+	this.normal.applyMatrix4( this.rotationMatrix );
+
+	var view = this.mirrorWorldPosition.clone().sub( this.cameraWorldPosition );
+	view.reflect( this.normal ).negate();
+	view.add( this.mirrorWorldPosition );
+
+	this.rotationMatrix.extractRotation( this.camera.matrixWorld );
+
+	this.lookAtPosition.set( 0, 0, - 1 );
+	this.lookAtPosition.applyMatrix4( this.rotationMatrix );
+	this.lookAtPosition.add( this.cameraWorldPosition );
+
+	var target = this.mirrorWorldPosition.clone().sub( this.lookAtPosition );
+	target.reflect( this.normal ).negate();
+	target.add( this.mirrorWorldPosition );
+
+	this.up.set( 0, - 1, 0 );
+	this.up.applyMatrix4( this.rotationMatrix );
+	this.up.reflect( this.normal ).negate();
+
+	this.mirrorCamera.position.copy( view );
+	this.mirrorCamera.up = this.up;
+	this.mirrorCamera.lookAt( target );
+
+	this.mirrorCamera.updateProjectionMatrix();
+	this.mirrorCamera.updateMatrixWorld();
+	this.mirrorCamera.matrixWorldInverse.getInverse( this.mirrorCamera.matrixWorld );
+
+	// Update the texture matrix
+	this.textureMatrix.set( 0.5, 0.0, 0.0, 0.5,
+							0.0, 0.5, 0.0, 0.5,
+							0.0, 0.0, 0.5, 0.5,
+							0.0, 0.0, 0.0, 1.0 );
+	this.textureMatrix.multiply( this.mirrorCamera.projectionMatrix );
+	this.textureMatrix.multiply( this.mirrorCamera.matrixWorldInverse );
+
+	// Now update projection matrix with new clip plane, implementing code from: http://www.terathon.com/code/oblique.html
+	// Paper explaining this technique: http://www.terathon.com/lengyel/Lengyel-Oblique.pdf
+	this.mirrorPlane.setFromNormalAndCoplanarPoint( this.normal, this.mirrorWorldPosition );
+	this.mirrorPlane.applyMatrix4( this.mirrorCamera.matrixWorldInverse );
+
+	this.clipPlane.set( this.mirrorPlane.normal.x, this.mirrorPlane.normal.y, this.mirrorPlane.normal.z, this.mirrorPlane.constant );
+
+	var q = new THREE.Vector4();
+	var projectionMatrix = this.mirrorCamera.projectionMatrix;
+
+	q.x = ( Math.sign( this.clipPlane.x ) + projectionMatrix.elements[ 8 ] ) / projectionMatrix.elements[ 0 ];
+	q.y = ( Math.sign( this.clipPlane.y ) + projectionMatrix.elements[ 9 ] ) / projectionMatrix.elements[ 5 ];
+	q.z = - 1.0;
+	q.w = ( 1.0 + projectionMatrix.elements[ 10 ] ) / projectionMatrix.elements[ 14 ];
+
+	// Calculate the scaled plane vector
+	var c = new THREE.Vector4();
+	c = this.clipPlane.multiplyScalar( 2.0 / this.clipPlane.dot( q ) );
+
+	// Replacing the third row of the projection matrix
+	projectionMatrix.elements[ 2 ] = c.x;
+	projectionMatrix.elements[ 6 ] = c.y;
+	projectionMatrix.elements[ 10 ] = c.z + 1.0 - this.clipBias;
+	projectionMatrix.elements[ 14 ] = c.w;
+
+};
+
+THREE.Mirror.prototype.render = function () {
+
+	if ( this.matrixNeedsUpdate ) this.updateTextureMatrix();
+
+	this.matrixNeedsUpdate = true;
+
+	// Render the mirrored view of the current scene into the target texture
+	var scene = this;
+
+	while ( scene.parent !== null ) {
+
+		scene = scene.parent;
+
+	}
+
+    //this.renderer.setRenderTarget( null );
+
+	if ( scene !== undefined && scene instanceof THREE.Scene ) {
+
+		// We can't render ourself to ourself
+		var visible = this.material.visible;
+		this.material.visible = false;
+
+        this.renderer.clear();
+        this.renderer.setRenderTarget( this.renderTarget);
+        this.renderer.render( scene, this.mirrorCamera );
+        this.renderer.setRenderTarget( null );
+        // this.renderer.clear();
+   
+
+		//this.renderer.render( scene, this.mirrorCamera, this.renderTarget, true );
+
+		this.material.visible = visible;
+
+	}
+
+};
+
+THREE.Mirror.prototype.renderTemp = function () {
+
+	if ( this.matrixNeedsUpdate ) this.updateTextureMatrix();
+
+	this.matrixNeedsUpdate = true;
+
+	// Render the mirrored view of the current scene into the target texture
+	var scene = this;
+
+	while ( scene.parent !== null ) {
+
+		scene = scene.parent;
+
+	}
+
+	if ( scene !== undefined && scene instanceof THREE.Scene ) {
+
+        this.renderer.clear();
+        this.renderer.setRenderTarget( this.renderTarget2);
+        this.renderer.render( scene, this.mirrorCamera );
+        this.renderer.setRenderTarget( null );
+
+		//this.renderer.render( scene, this.mirrorCamera, this.renderTarget2, true );
+
+	}
+
+};
+
+AFRAME.registerComponent('mirror', {
+    schema:{
+        renderothermirror:{default:true},
+        camera:{default: 'avatarControl'}
+    },
+    init: function () {
+        var scene = this.el.sceneEl;
+        this.cameraID = this.data.camera;
+        scene.addEventListener('loaded',this.OnRenderLoaded()); //this.OnRenderLoaded.bind(this)
+    },
+
+    // update: function (old) {
+    //     this.cameraID = this.data.camera;
+    //     this.OnRenderLoaded();
+    // },
+
+    OnRenderLoaded: function()
+    {
+
+        var mirrorObj = this.el.getOrCreateObject3D('mesh',THREE.Mesh);
+        // var cameraEl = document.querySelector('a-entity[camera]')
+        // if(!cameraEl)
+        // {
+        //     cameraEl = document.querySelector('a-camera');
+        // }
+        // var camera = cameraEl.components.camera.camera;
+        let cameraEl = document.querySelector("[id='" + this.cameraID + "']")
+        if (cameraEl){
+        let camera = cameraEl.getObject3D('camera'); //document.querySelector('#avatarControl').getObject3D('camera');
+        var scene = this.el.sceneEl;
+        this.renderer = scene.renderer;
+        this.mirror = new THREE.Mirror( this.renderer, camera, { clipBias: 0.003, textureWidth: window.innerWidth, textureHeight: window.innerHeight, color: 0x777777, debugMode: false} );
+        mirrorObj.material =this.mirror.material;
+        //mirrorObj.children = [];
+        mirrorObj.add(this.mirror);
+        }
+    },
+    tick: function () {
+        //this.mirror.render();
+        if(!this.data.renderothermirror)
+            {
+                this.mirror.render();
+            }
+        else
+            {
+                var mirrors = [];
+                var mirrorEls = document.querySelectorAll("[mirror]");
+                for(var i=0;i<mirrorEls.length;i++)
+                {
+                    if(mirrorEls[i]!=this.el)
+                    {
+                        mirrors.push(mirrorEls[i].components.mirror.mirror);
+                    }   
+                }
+                if(mirrors.length === 0)
+                {
+                    this.mirror.render();
+                }
+                for(var i = 0; i<mirrors.length;i++)
+                {
+                    this.mirror.renderWithMirror(mirrors[i]);
+                }
+            }
+    }
+    });

public/vwf/model/aframeComponent.js

@@ -121,6 +121,9 @@ define(["module", "vwf/model", "vwf/utility"], function (module, model, utility)
                     ],
                     'aabb-collider':[
                         "collideNonVisible", "debug",  "enabled", "objects", "interval"
+                    ],
+                    'mirror': [
+                        "camera", "renderothermirror"
                     ]
 
             }
@@ -391,6 +394,21 @@ define(["module", "vwf/model", "vwf/utility"], function (module, model, utility)
                     }
                 }
 
+               
+
+                if (value === undefined && isAMirrorDefinition(node.prototypes)) {
+                    if (aframeObject.el.getAttribute(aframeObject.compName)) {
+
+                        value = propertyValue;
+                        let parentNodeAF = aframeObject.el;
+
+                        self.aframeComponentDef['mirror'].forEach(element => {
+                            element == propertyName ? parentNodeAF.setAttribute('mirror', element, propertyValue) :
+                                value = undefined;
+                        })
+                    }
+                }
+
                 if (value === undefined && isAAabbColliderDefinition(node.prototypes)) {
                     if (aframeObject.el.getAttribute(aframeObject.compName)) {
 
@@ -846,6 +864,20 @@ define(["module", "vwf/model", "vwf/utility"], function (module, model, utility)
                     })
                 }
 
+                if (value === undefined && isAMirrorDefinition(node.prototypes)) {
+                    value = propertyValue;
+
+                    // let parentNodeAF = self.state.nodes[node.parentID].aframeObj;
+                    let parentNodeAF = aframeObject.el;
+
+                    self.aframeComponentDef['mirror'].forEach(element => {
+                        if (element == propertyName) {
+                            value = parentNodeAF.getAttribute('mirror').element;
+                        }
+
+                    })
+                }
+
                 if (value === undefined && isAAabbColliderDefinition(node.prototypes)) {
                     value = propertyValue;
 
@@ -1096,7 +1128,16 @@ define(["module", "vwf/model", "vwf/utility"], function (module, model, utility)
         return found;
     }
 
-    
+    function isAMirrorDefinition(prototypes) {
+        var found = false;
+        if (prototypes) {
+            for (var i = 0; i < prototypes.length && !found; i++) {
+                found = (prototypes[i] == "http://vwf.example.com/aframe/a-mirror-component.vwf");
+            }
+        }
+        return found;
+    }
+
 
     function isARayCasterDefinition(prototypes) {
         var found = false;
@@ -1244,6 +1285,14 @@ define(["module", "vwf/model", "vwf/utility"], function (module, model, utility)
 
         }
 
+        if (self.state.isComponentClass(protos, "http://vwf.example.com/aframe/a-mirror-component.vwf")) {
+
+            // aframeObj.el.setAttribute(node.type, {});
+            aframeObj.compName = "mirror";
+            aframeObj.el.setAttribute(aframeObj.compName, {});
+
+        }
+
         if (self.state.isComponentClass(protos, "http://vwf.example.com/aframe/viewOffsetCamera-component.vwf")) {
 
             // aframeObj.el.setAttribute(node.type, {});