dojo.provide("dojox.charting.Chart3D"); dojo.require("dojox.gfx3d"); (function(){ var observerVector = {x: 0, y: 0, z: 1}, v = dojox.gfx3d.vector, n = dojox.gfx.normalizedLength; dojo.declare("dojox.charting.Chart3D", null, { constructor: function(node, lights, camera, theme){ // setup a view this.node = dojo.byId(node); this.surface = dojox.gfx.createSurface(this.node, n(this.node.style.width), n(this.node.style.height)); this.view = this.surface.createViewport(); this.view.setLights(lights.lights, lights.ambient, lights.specular); this.view.setCameraTransform(camera); this.theme = theme; // initialize internal variables this.walls = []; this.plots = []; }, // public API generate: function(){ return this._generateWalls()._generatePlots(); }, invalidate: function(){ this.view.invalidate(); return this; }, render: function(){ this.view.render(); return this; }, addPlot: function(plot){ return this._add(this.plots, plot); }, removePlot: function(plot){ return this._remove(this.plots, plot); }, addWall: function(wall){ return this._add(this.walls, wall); }, removeWall: function(wall){ return this._remove(this.walls, wall); }, // internal API _add: function(array, item){ if(!dojo.some(array, function(i){ return i == item; })){ array.push(item); this.view.invalidate(); } return this; }, _remove: function(array, item){ var a = dojo.filter(array, function(i){ return i != item; }); return a.length < array.length ? (array = a, this.invalidate()) : this; }, _generateWalls: function(){ for(var i = 0; i < this.walls.length; ++i){ if(v.dotProduct(observerVector, this.walls[i].normal) > 0){ this.walls[i].generate(this); } } return this; }, _generatePlots: function(){ var depth = 0, m = dojox.gfx3d.matrix, i = 0; for(; i < this.plots.length; ++i){ depth += this.plots[i].getDepth(); } for(--i; i >= 0; --i){ var scene = this.view.createScene(); scene.setTransform(m.translate(0, 0, -depth)); this.plots[i].generate(this, scene); depth -= this.plots[i].getDepth(); } return this; } }); })();