Added reverse camera (arrow with camera at the end)
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d677390bb2
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@ -25,3 +25,13 @@ module.exports.viewports = function(req, res) {
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res.send(result);
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});
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}
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module.exports.reverse = function(req, res) {
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res.setHeader('Content-Type', 'text/html');
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res.locals.cameraStyle = 'reverse';
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res.render('prototype.jade', res.locals, function(err, result) {
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res.send(result);
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});
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}
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@ -1,5 +1,6 @@
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module.exports = {
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'/prototype': 'index',
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'/prototype/arrows': 'arrows',
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'/prototype/viewports': 'viewports'
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'/prototype/viewports': 'viewports',
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'/prototype/reverse': 'reverse'
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}
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@ -12,6 +12,8 @@ block extrajs
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script Recommendation = FixedCamera;
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else if cameraStyle == 'viewports'
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script Recommendation = OldFixedCamera;
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else if cameraStyle == 'reverse'
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script Recommendation = ReverseCamera
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script(src="/static/js/prototype/main.js")
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block extrahead
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@ -52,7 +52,7 @@ CameraContainer.prototype.get = function(i) {
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CameraContainer.prototype.getById = function(id) {
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for (var i in this.cameras) {
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if (this.cameras[i] instanceof FixedCamera) {
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if (this.cameras[i] instanceof FixedCamera || this.cameras[i] instanceof ReverseCamera) {
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if (this.cameras[i].object3D !== undefined) {
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if (this.cameras[i].object3D.id == id) {
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return this.get(i);
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@ -0,0 +1,215 @@
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// Initialization
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// class camera extends THREE.PerspectiveCamera
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var ReverseCamera = function(arg1, arg2, arg3, arg4, position, target) {
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THREE.PerspectiveCamera.apply(this, arguments);
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// Set Position
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if (position === undefined) {
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this.position = new THREE.Vector3(0,0,5);
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} else {
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this.position.x = position.x;
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this.position.y = position.y;
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this.position.z = position.z;
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}
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if (target === undefined)
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target = new THREE.Vector3(0,0,0);
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var direction = target.clone();
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direction.sub(this.position);
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direction.normalize();
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this.target = this.position.clone();
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this.target.add(Tools.mul(direction,20));
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var geometry = new THREE.Geometry();
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this.center = this.position.clone();
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var left = Tools.cross(direction, this.up);
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var other = Tools.cross(direction, left);
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this.center.sub(direction);
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left.normalize();
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other.normalize();
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left = Tools.mul(left, 0.1);
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other = Tools.mul(other, 0.1);
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var pyramidCenter = Tools.diff(this.position, Tools.mul(direction,0.25))
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geometry.vertices.push(
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Tools.sum( Tools.sum( this.position, left), other),
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Tools.diff(Tools.sum( this.position, other), left),
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Tools.diff(Tools.diff(this.position, left), other),
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Tools.sum( Tools.diff(this.position, other), left),
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Tools.sum( Tools.sum( this.position, left), other),
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Tools.diff(Tools.sum( this.position, other), left),
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Tools.diff(Tools.diff(this.position, left), other),
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Tools.sum( Tools.diff(this.position, other), left)
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// Tools.diff(this.position, direction)
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);
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var lambda = 0.6;
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for (var i = 0; i < 4; i++)
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geometry.vertices[i] = Tools.mul(Tools.diff(geometry.vertices[i], Tools.mul(pyramidCenter,lambda)), 1/(1-lambda));
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geometry.faces.push(new THREE.Face3(2,0,1), // new THREE.Face3(0,2,1),
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new THREE.Face3(3,0,2), // new THREE.Face3(0,3,2)
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new THREE.Face3(1,0,4),
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new THREE.Face3(1,4,5),
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new THREE.Face3(2,1,5),
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new THREE.Face3(2,5,6),
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new THREE.Face3(7,2,6),
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new THREE.Face3(7,3,2),
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new THREE.Face3(3,7,4),
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new THREE.Face3(3,4,0)
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);
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geometry.computeFaceNormals();
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var material = new THREE.MeshLambertMaterial({
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color : 0xff0000,
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transparent : true,
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opacity : 0.5,
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side: THREE.FrontSide
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});
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this.mesh = new THREE.Mesh(geometry, material);
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this.arrow = new THREE.Mesh(new THREE.Geometry(), new THREE.MeshLambertMaterial({color: 0xff0000, side:THREE.BackSide}));
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this.object3D = new THREE.Object3D();
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this.object3D.add(this.mesh);
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this.object3D.add(this.arrow);
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this.fullArrow = false;
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}
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ReverseCamera.prototype = Object.create(THREE.PerspectiveCamera.prototype);
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ReverseCamera.prototype.constructor = ReverseCamera;
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// Update function
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ReverseCamera.prototype.update = function(mainCamera) {
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// Compute distance between center of camera and position
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dist = Tools.norm2(Tools.diff(mainCamera.position, this.center));
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var low_bound = 1;
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var high_bound = 5;
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var new_value;
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if (dist < low_bound) {
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new_value = 0;
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}
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else if (dist > high_bound) {
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new_value = 1;
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}
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else {
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new_value = (dist - low_bound)/(high_bound - low_bound);
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}
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// Update opacity
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this.object3D.traverse(function(elt) {
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if (elt instanceof THREE.Mesh) {
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elt.material.transparent = new_value < 0.9;
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elt.material.opacity = new_value;
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if (new_value < 0.1)
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elt.material.transparent = elt.visible = false;
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}
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});
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this.regenerateArrow(mainCamera);
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}
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ReverseCamera.prototype.regenerateArrow = function(mainCamera) {
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var vertices = new Array();
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var t = [0,1];
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var f0 = mainCamera.position.clone();
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f0.add(Tools.sum(Tools.mul(this.up,-1), Tools.diff(this.target, this.position).normalize()));
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var f = [Tools.sum(mainCamera.position, Tools.diff(this.target, this.position)).normalize(), this.position.clone()];
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var first = Tools.diff(mainCamera.target, mainCamera.position);
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first.normalize();
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var fp = [Tools.mul(first,40), Tools.diff(this.target, this.position)];
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fp[1].normalize();
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fp[1].multiplyScalar(4);
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var hermite = new Hermite.special.Polynom(f0, f[1], fp[1]);
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var up = this.up.clone();
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var point;
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var deriv;
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var limit = this.fullArrow ? 0.1 : 0.3;
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// for (var i = this.fullArrow ? 0 : 0.5; i <= 1.001; i += 0.05) {
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for (var i = 1; i > limit; i -= 0.025) {
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point = hermite.eval(i);
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deriv = hermite.prime(i);
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up.cross(deriv);
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up.cross(deriv);
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up.multiplyScalar(-1);
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up.normalize();
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var coeff = 0.1;
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var left = Tools.cross(up, deriv); left.normalize(); left.multiplyScalar(coeff);
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var other = Tools.cross(deriv, left); other.normalize(); other.multiplyScalar(coeff);
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vertices.push(
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Tools.sum(Tools.sum(point, left), other),
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Tools.sum(Tools.diff(point, left), other),
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Tools.diff(point, Tools.sum(other,left)),
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Tools.sum(Tools.diff(point, other), left)
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);
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}
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var faces = new Array();
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for (var i = 0; i < vertices.length - 4; i+= 4) {
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faces.push(new THREE.Face3(i,i+1,i+5),new THREE.Face3(i,i+5,i+4),
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new THREE.Face3(i+1,i+2,i+6),new THREE.Face3(i+1,i+6,i+5),
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new THREE.Face3(i+2,i+3,i+7),new THREE.Face3(i+2,i+7,i+6),
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new THREE.Face3(i,i+7,i+3), new THREE.Face3(i,i+4,i+7));
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}
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var len = vertices.length;
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faces.push(new THREE.Face3(len-4,len-3,len-2), new THREE.Face3(len-4,len-2,len-1));
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this.arrow.geometry.vertices = vertices;
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this.arrow.geometry.faces = faces;
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// this.arrow.geometry.mergeVertices();
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this.arrow.geometry.computeFaceNormals();
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// this.arrow.geometry.computeVertexNormals();
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this.arrow.geometry.computeBoundingSphere();
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// this.arrow.geometry.vertices[0] = new THREE.Vector3(); // mainCamera.position.clone();
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// this.arrow.geometry.vertices[1] = this.position.clone();
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this.arrow.geometry.dynamic = true;
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this.arrow.geometry.verticesNeedUpdate = true;
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this.arrow.geometry.elementsNeedUpdate = true;
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this.arrow.geometry.groupsNeedUpdate = true;
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this.arrow.geometry.normalsNeedUpdate = true;
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// this.arrow.geometry.facesNeedUpdate = true;
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}
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// Look function
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ReverseCamera.prototype.look = function() {
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this.lookAt(this.target);
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}
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ReverseCamera.prototype.addToScene = function(scene) {
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scene.add(this);
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scene.add(this.object3D);
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}
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ReverseCamera.prototype.traverse = function(callback) {
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this.object3D.traverse(callback);
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}
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@ -39,10 +39,10 @@ Previewer.prototype.render = function(prev, container_width, container_height) {
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// Do render in previsualization
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prev.camera.look();
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renderer.setScissor(left, bottom, width, height);
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renderer.enableScissorTest (true);
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renderer.setViewport(left, bottom, width, height);
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renderer.render(scene, prev.camera);
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this.renderer.setScissor(left, bottom, width, height);
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this.renderer.enableScissorTest (true);
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this.renderer.setViewport(left, bottom, width, height);
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this.renderer.render(scene, prev.camera);
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}
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}
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@ -41,11 +41,10 @@ CameraSelecter.prototype.pointedCamera = function() {
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if (bestIndex !== undefined) {
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// if (this.cameras.getById(intersects[bestIndex].object.parent.id) !== undefined) {
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var obj = intersects[bestIndex].object;
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if (Recommendation === FixedCamera) {
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if (Recommendation === FixedCamera || Recommendation === ReverseCamera) {
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return this.cameras.getById(intersects[bestIndex].object.parent.id);
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} else {
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return this.cameras.getById(intersects[bestIndex].object.id);
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console.log('tata');
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}
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// }
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}
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1
urls.js
1
urls.js
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@ -5,3 +5,4 @@ module.exports.prototype = '/prototype/';
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module.exports.arrows = '/prototype/arrows/';
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module.exports.viewports = '/prototype/viewports/';
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module.exports.stream = '/stream/';
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module.exports.reverse = '/prototype/reverse/';
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@ -33,6 +33,8 @@ html(lang='fr')
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ul.dropdown-menu(role="menu")
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li
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a(href="#{urls.arrows}") Arrows
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li
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a(href="#{urls.reverse}") Reverse arrows
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li
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a(href="#{urls.viewports}") Viewports
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li
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@ -14,6 +14,7 @@ block js
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script(src="/static/js/Camera.js")
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script(src="/static/js/FixedCamera.js")
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script(src="/static/js/OldFixedCamera.js")
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script(src="/static/js/ReverseCamera.js")
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script(src="/static/js/BouncingCube.js")
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script(src="/static/js/BufferGeometryToGeometry.js")
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script(src="/static/js/PointerCamera.js")
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