added benchmark for web workers

library/three.js

@@ -9342,6 +9342,21 @@ THREE.BufferGeometry.prototype = {
 
 		this.dispatchEvent( { type: 'dispose' } );
 
+	}, 
+
+	getBuffers: function () {
+
+		var buffers = [];
+
+		for ( var i = 0; i < this.attributesKeys.length; i ++ ) {
+			
+			var key = this.attributesKeys[ i ];
+			buffers.push( this.attributes[ key ].array.buffer );
+		
+		}
+
+		return buffers;
+
 	}
 
 };

settings/user_settings.json

@@ -1,18 +1,18 @@
 {
 	"printer.normalFlowRate": 1.0, 
 	"printer.bottomFlowRate": 2.0, 
-	"printer.bottomLayerSpeed": 35, 
+	"printer.bottomLayerSpeed": 35.0, 
 	"printer.bottomThickness": 0.4, 
-	"printer.fillSize": 5, 
+	"printer.fillSize": 10.0, 
 	"printer.firstLayerSlow": true, 
-	"printer.layerHeight": 0.2, 	
-	"printer.retraction.amount": 3, 
+	"printer.layerHeight": 0.2, 
+	"printer.retraction.amount": 3.0, 
 	"printer.retraction.enabled": true, 
 	"printer.retraction.speed": 50, 
-	"printer.retraction.minDistance": 5, 
+	"printer.retraction.minDistance": 5.0, 
 	"printer.shellThickness": 0.4, 
-	"printer.speed": 50, 
-	"printer.temperature": 230, 
+	"printer.speed": 50.0, 
+	"printer.temperature": 230.0, 
 	"printer.topThickness": 0.8, 
-	"printer.travelSpeed": 200
+	"printer.travelSpeed": 200.0
 }

slice_test.html

@@ -30,12 +30,12 @@ function init () {
 	var scene = createScene();
 
 	var localIp = location.hash.substring(1);
-	//doodleBox = new D3D.Box(localIp);
+	doodleBox = new D3D.Box(localIp);
 
 	var printer = new D3D.Printer().updateConfig(USER_SETTINGS).updateConfig(PRINTER_SETTINGS["ultimaker"]);
 
 	var loader = new THREE.STLLoader();
-	loader.load("models/pokemon/pikachu.stl", function (geometry) {
+	loader.load("models/dom.stl", function (geometry) {
 		//var geometry = new THREE.BoxGeometry(10, 10, 10, 1, 1, 1);
 		//var geometry = new THREE.SphereGeometry(10, 20, 10);
 		//var geometry = new THREE.TorusGeometry(20, 10, 30, 30);

src/slicer.js

@@ -19,11 +19,12 @@ D3D.Slicer.prototype.setMesh = function (geometry, matrix) {
 	"use strict";
 
 	//convert buffergeometry to geometry;
-	if (geometry instanceof THREE.BufferGeometry) {
-		geometry = new THREE.Geometry().fromBufferGeometry(geometry);
-	}
+	//if (geometry instanceof THREE.BufferGeometry) {
+	//	geometry = new THREE.Geometry().fromBufferGeometry(geometry);
+	//}
 
 	//remove duplicate vertices;
+	/*
 	for (var i = 0; i < geometry.vertices.length; i ++) {
 		var vertexA = geometry.vertices[i];
 
@@ -35,6 +36,7 @@ D3D.Slicer.prototype.setMesh = function (geometry, matrix) {
 			}
 		}
 	}
+	*/
 	geometry.mergeVertices();
 
 	//apply mesh matrix on geometry;
@@ -111,7 +113,7 @@ D3D.Slicer.prototype.slice = function (layerHeight, height) {
 		var max = Math.floor(Math.max(line.start.y, line.end.y) / layerHeight);
 
 		for (var layerIndex = min; layerIndex <= max; layerIndex ++) {
-			if (layerIndex >= 0) {
+			if (layerIndex >= 0 && layerIndex < height / layerHeight) {
 				if (layersIntersections[layerIndex] === undefined) {
 					layersIntersections[layerIndex] = [];
 				}
@@ -127,7 +129,7 @@ D3D.Slicer.prototype.slice = function (layerHeight, height) {
 	for (var layer = 1; layer < layersIntersections.length-1; layer ++) {
 	//for (var layer = 0; layer < layersIntersections.length; layer ++) {
 		var layerIntersections = layersIntersections[layer];
-		var y = layer*layerHeight;
+		var y = layer * layerHeight;
 
 		var intersections = [];
 		for (var i = 0; i < layerIntersections.length; i ++) {

src/slicerworker.js

@@ -5,6 +5,7 @@ D3D.SlicerWorker = function () {
 
 	this.worker.addEventListener('message', function (event) {
 		console.log(event);
+		gcode = event.data;
 	}, false);
 }
 D3D.SlicerWorker.prototype.setSettings = function (USER_SETTINGS, PRINTER_SETTINGS) {
@@ -23,16 +24,23 @@ D3D.SlicerWorker.prototype.setMesh = function (mesh) {
 		var geometry = new THREE.BufferGeometry().fromGeometry(mesh.geometry);
 	}
 	else {
-		var geometry = mesh.geometry;
+		var geometry = mesh.geometry.clone();
+	}
+	
+	var buffers = [];
+
+	for (var i = 0; i < geometry.attributesKeys.length; i ++) {
+		var key = geometry.attributesKeys[i];
+		buffers.push(geometry.attributes[key].array.buffer);
 	}
 
 	mesh.updateMatrix();
 
 	this.worker.postMessage({
 		"cmd": "SET_MESH", 
-		"geometry": geometry.toJSON().data, 
+		"geometry": geometry, 
 		"matrix": mesh.matrix.toArray()
-	});
+	}, buffers);
 };
 D3D.SlicerWorker.prototype.slice = function () {
 	"use strict";

webworker/benchmark.js

@@ -0,0 +1,9 @@
+self.addEventListener("message", function (event) {
+	"use strict";
+
+	//console.log(event.data);
+
+	if (event.data === "close") {
+		self.close();
+	}
+});

webworker/worker.js

@@ -8,34 +8,38 @@ importScripts("../src/slicer.js");
 var printer = new D3D.Printer();
 var slicer = new D3D.Slicer();
 
-self.addEventListener('message', function (event) {
+self.addEventListener("message", function (event) {
 	"use strict";
 
 	switch (event.data["cmd"]) {
 		case "SET_MESH": 
-			var loader = new THREE.BufferGeometryLoader();
-			var geometry = loader.parse(event.data["geometry"]);
-			
+
+			var geometry = new THREE.Geometry().fromBufferGeometry(event.data["geometry"]);
 			var matrix = new THREE.Matrix4().fromArray(event.data["matrix"]);
 
 			slicer.setMesh(geometry, matrix);
+
 		break;
 
 		case "SET_SETTINGS":
 			printer.updateConfig(event.data["USER_SETTINGS"]);
 			printer.updateConfig(event.data["PRINTER_SETTINGS"]);
-
-			console.log(printer);
 		break;
 
 		case "SLICE":
 			var gcode = slicer.getGcode(printer);
 
-			self.postMessage('gcode generated');
+			self.postMessage(gcode);
 		break;
 
-		case "CLOSE": 
+		case "CLOSE": 			
 			self.close();
 		break;
+
+		default: 
+
+			//console.log(event);
+
+		break;
 	}
 });

webworker_benchmark.html

@@ -0,0 +1,74 @@
+<!DOCTYPE HTML>
+<html lang="en">
+<head>
+<script src="library/benchmark.js"></script>
+<script src="library/three.js"></script>
+
+<title>Doedel Drie Dee || Webworker Benchmark</title>
+<style>
+</style>
+</head>
+<body>
+
+<script>
+var worker = new Worker('webworker/benchmark.js');
+var geometry = new THREE.BoxGeometry(10, 30, 10).clone();
+//var geometry = new THREE.TorusKnotGeometry(10, 3, 200, 200).clone();
+
+new Benchmark.Suite().add('Buffer Geometry', function () {
+
+	var bufferGeometry = new THREE.BufferGeometry().fromGeometry(geometry);
+
+	worker.postMessage(bufferGeometry);
+
+	//this happens in the worker
+	var workerGeometry = new THREE.Geometry().fromBufferGeometry(bufferGeometry);
+	workerGeometry.mergeVertices();
+
+}).add('Buffer Geometry Transferrable Object', function () {
+
+	var bufferGeometry = new THREE.BufferGeometry().fromGeometry(geometry);
+
+	var buffers = [];
+
+	for (var i = 0; i < bufferGeometry.attributesKeys.length; i ++) {
+		var key = bufferGeometry.attributesKeys[i];
+		buffers.push(bufferGeometry.attributes[key].array.buffer);
+	}
+
+	worker.postMessage(bufferGeometry, buffers);
+
+	//this happens in the worker
+	//this is redundant... 
+	//buffers are transferred to worker so the do not exist in this part of the script
+	//[TEST NOT VIABLE]
+	var workerGeometry = new THREE.Geometry().fromBufferGeometry(bufferGeometry);
+	workerGeometry.mergeVertices();
+
+}).add('Geometry JSON', function () {	
+
+	var json = geometry.toJSON().data;
+	worker.postMessage(json);
+
+	//worker.postMessage(geometry);
+
+	//this happens in the worker
+	var loader = new THREE.JSONLoader();
+	var workerGeometry = loader.parse(json).geometry;
+	workerGeometry.mergeVertices();
+
+}).on('cycle', function (event) {
+
+	document.body.innerHTML += "<p>" + String(event.target) + "</p>";
+
+}).on('complete', function () {
+
+	document.body.innerHTML += "<p>" + 'Fastest is "' + this.filter('fastest').pluck('name') + '"' + "</p>";
+
+}).run({
+	'async': true
+});
+</script>
+
+</body>
+</html> 

webworker_test.html

@@ -42,6 +42,7 @@ function init () {
 		
 		mesh.rotation.x = -Math.PI/2;
 		mesh.scale.x = mesh.scale.y = mesh.scale.z = 1;
+		mesh.position.y = -9.260265119962973e-17;
 		mesh.position.x = 100;
 		mesh.position.z = 100;
 
@@ -49,6 +50,8 @@ function init () {
 
 		slicer.setMesh(mesh);
 		slicer.slice();
+
+		slicer.close();
 	});
 }