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Amanda Ghassaei authoredAmanda Ghassaei authored
cam.js 11.84 KiB
/**
* Created by aghassaei on 3/10/15.
*/
define(['underscore', 'three', 'backbone', 'appState', 'latticeCAM', 'threeModel', 'plist', 'materials'],
function(_, THREE, Backbone, appState, lattice, three, plist, materials){
var Cam = Backbone.Model.extend({
defaults: {
camStrategy: "raster",
placementOrder: "XYZ",//used for raster strategy entry
camProcess: "gcode",
machineName: "stapler",
assembler: null,
exporter: null,
dataOut: "",
needsPostProcessing: true,
editsMadeToProgram: false,//warn the user that they will override changes
rapidHeight: 6,//always store relative to origin
rapidHeightRelative: true,
safeHeight: 0.5,//inches above stock or assembly, when feed rate should slow
origin: null,
originPosition: new THREE.Vector3(20,0,0),//in abs coordinates
stock: null,
stockPosition: new THREE.Vector3(20,0,0),//in abs coordinates
stockPositionRelative: true,
stockFixed: false,//stock is fixed position from origin
multipleStockPositions: false,
stockArraySize: {x:4, y:4},
stockSeparation: 2.78388,
rapidSpeeds:{xy: 3, z: 2},//rapids at clearance height
feedRate:{xy: 0.1, z: 0.1},//speed when heading towards assembly
simLineNumber: 0,//used for stock simulation, reading through gcode
simSpeed: 4,//#X times real speed
allCAMMaterialTypes: []//all types of stock needed
},
initialize: function(){
_.bindAll(this, "postProcess");
//bind events
this.listenTo(appState, "change:currentTab", this._tabChanged);
this.listenTo(appState, "change:currentNav", this._navChanged);
this.listenTo(this, "change:originPosition", this._moveOrigin);
this.listenTo(this, "change:stockPosition", this._moveStock);
this.listenTo(this,
"change:originPosition " +
"change:stockPosition " +
"change:feedRate " +
"change:rapidSpeeds " +
"change:camProcess " +
"change:camStrategy " +
"change:placementOrder " +
"change:safeHeight " +
"change:stockArraySize " +
"change:stockSeparation " +
"change:multipleStockPositions " +
"change:rapidHeight " +
"change:machineName",
this._setNeedsPostProcessing);
this.listenTo(lattice, "change:scale" +
"change:units" +
"change:numCells " +
"change:cellType " +
"change:connectionType",
this._setNeedsPostProcessing);
this.listenTo(appState, "change:stockSimulationPlaying", this._stockSimulation);
this.listenTo(lattice, "change:partType", this._updatePartType);
this.listenTo(lattice, "change:cellType change:connectionType", this._updateCellType);
this.listenTo(appState, "change:cellMode", this._updateCellMode);
this.listenTo(this, "change:machineName", this.selectMachine);
this._navChanged();
// this._initOriginAndStock();
},
_calculateNumMaterials: function(){//todo calc length of gik cells as separate material types
this.set("allCAMMaterialTypes", materials.getChildCellTypes(lattice.sparseCells, true) || []);
},
selectMachine: function(){
var machineName = this.get("machineName");
if (this.get("assembler")) this.get("assembler").destroy();
this.set("assembler", null);
this._setMachineDefaults(machineName);
var self = this;
require([machineName], function(MachineClass){
self.set('assembler', new MachineClass());
});
},
_setMachineDefaults: function(machineName){
var self = this;
if (plist.allMachines[machineName].defaults){
_.each(plist.allMachines[machineName].defaults, function(value, key){
self.set(key, value, {silent:true});
});
}
},
makeProgramEdits: function(data){
this.set("dataOut", data, {silent:true});
this.set("editsMadeToProgram", true, {silent: true});
},
//events
_navChanged: function(){
if (appState.get("currentNav") == "navAssemble") {
this._setToDefaults();
this._calculateNumMaterials();
}
},
_setToDefaults: function(){
//call this each time we switch to assemble tab
var availableMachines = plist.machineTypesForLattice[lattice.get("cellType")][lattice.get("connectionType")];
if (availableMachines.indexOf(this.get("machineName")) < 0){ this.set("machineName", availableMachines[0], {silent:true});
}
},
_tabChanged: function(){
this._setCAMVisibility();
if (appState.get("currentTab") != "animate") this.resetSimulation();
},
_setCAMVisibility: function(){
var visible = this.isVisible();
// this.get("origin").visible = visible;
// this.get("stock").visible = visible;
if (visible && !this.get("assembler")) this.selectMachine();
if (this.get("assembler")) this.get("assembler").setVisibility(visible);
if (appState.get("currentNav") == "navAssemble") {
appState.set("basePlaneIsVisible", !visible);
}
three.render();
},
_updateCellType: function(){
if (this.get("assembler")) this.get("assembler").updateCellType();
this.set("machineName", "handOfGod");//todo this should go away with dynamic allocation of this model
},
_updatePartType: function(){
if (this.get("assembler")) this.get("assembler").updatePartType();
},
_updateCellMode: function(){
if (this.get("assembler")) this.get("assembler").updateCellMode();
three.render();
},
//visualization
isVisible: function(){
var currentTab = appState.get("currentTab");
return (currentTab == "cam" || currentTab == "animate" || currentTab == "send");
},
_initOriginAndStock: function(){//todo this is ugly
var origin = new THREE.Mesh(new THREE.SphereGeometry(1),
new THREE.MeshBasicMaterial({color:0xff0000}));
three.sceneAdd(origin);
this.set("origin", origin);
this._moveOrigin();
//init stock mesh
var stock = new THREE.Mesh(new THREE.SphereGeometry(1),
new THREE.MeshBasicMaterial({color:0xff00ff}));
three.sceneAdd(stock);
this.set("stock", stock);
this._moveStock();
this._setCAMVisibility();
},
_moveOrigin: function(){
var position = this.get("originPosition");
// this.get("origin").position.set(position.x, position.y, position.z); if (this.get("stockFixed")) this._updateStockPosToOrigin(position, this.previous("originPosition"));
three.render();
if (this.get("assembler")) this.get("assembler").moveMachine();
},
_updateStockPosToOrigin: function(newOrigin, lastOrigin){
var newStockPosition = _.clone(this.get("stockPosition"));
_.each(_.keys(newStockPosition), function(key){
newStockPosition[key] += newOrigin[key] - lastOrigin[key];
newStockPosition[key] = parseFloat(newStockPosition[key].toFixed(4));
});
this.set("stockPosition", newStockPosition);
},
_moveStock: function(){
var position = this.get("stockPosition");
this.get("stock").position.set(position.x, position.y, position.z);
three.render();
},
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////SIMULATION//////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
resetSimulation: function(){
this.set("simLineNumber", 0, {silent:true});
appState.set("stockSimulationPlaying", false);
three.stopAnimationLoop();
lattice.showCells();
},
_stockSimulation: function(){
if (appState.get("stockSimulationPlaying")){
three.startAnimationLoop();
var currentLine = this.get("simLineNumber");
if (currentLine == 0) lattice.hideCells();
var allLines = this.get("dataOut").split("\n");
if(currentLine<allLines.length){
var self = this;
this.get("exporter").simulate(allLines[currentLine], this.get("assembler"),
this.get("originPosition"), function(){
currentLine++;
self.set("simLineNumber", currentLine);
self._stockSimulation();
});
} else {
//finished simulation
this.resetSimulation();
}
} else {
three.stopAnimationLoop();
this.get("assembler").pause();
}
},
///////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////POST PROCESSING////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////
_setNeedsPostProcessing: function(){
this.set("needsPostProcessing", true);
},
postProcess: function(){
this.set("needsPostProcessing", false);
var self = this;
this._getExporter(function(exporter){
var data = "";
data += exporter.makeHeader(); data += "\n\n";
data += exporter.addComment("begin program");
data += "\n";
data = self.get("assembler").postProcess(data, exporter);
data += "\n\n";
data += exporter.addComment("end program");
data += "\n";
data += exporter.makeFooter();
self.set("dataOut", data);
self.set("editsMadeToProgram", false);
self.set("exporter", exporter);
if (!appState.get("stockSimulationPlaying")) self.resetSimulation();
});
// return {data:data, exporter:exporter};//todo this breaks save
},
_getExporter: function(callback){
// var currentExporter = this.get("exporter");
var camProcess = this.get("camProcess");
require([camProcess], function(ProcessClass){
if (callback) callback(new ProcessClass());
});
},
_getOrder: function(strategy){
if (strategy == "raster") return this.get("placementOrder");
console.warn("strategy not recognized");
return "";
},
save: function(){
if (this.get("needsPostProcessing")){
var output = this.postProcess();
output.exporter.save(output.data);
return;
}
this.get("exporter").save(this.get("dataOut"));
}
});
return new Cam();
});