- Author:
- David Nickerson <david.nickerson@gmail.com>
- Date:
- 2021-09-17 15:39:51+12:00
- Desc:
- tweak html formatting
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/c47db6b2fedb368422c7f4d5191aeb9f319ad684/dojo-presentation/js/dojo/dojox/charting/Chart3D.js
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;
}
});
})();
