this.point_equal(b, c, this.degenerate_face_epsilon) ||
this.point_equal(c, a, this.degenerate_face_epsilon);
},
- go: function() {
- // Remove any previous download links
- var old_download_link = document.getElementById("nt3d_download");
- if (old_download_link) {
- old_download_link.parentNode.removeChild(old_download_link);
- }
-
- // Continue in a callback, so that there's not a stale download
- // link hanging around while we process.
- setTimeout(function(the_this) { (function() {
-
- // Get params from form
- var params = [];
- for (var i = 0; i < this.user_params.length; i++) {
- var as_string = this.form.elements["param"+i].value;
- var as_num = +as_string;
- params[i] = isNaN(as_num) ? as_string : as_num;
- }
-
- // Run user_function
- this.points = this.user_function.apply(null, params);
-
+ validate: function(points) {
// Do a little validation
- if (this.points.length % 3 != 0) {
+ if (points.length % 3 != 0) {
alert("Points list length not divisble by 3!");
}
var nan_count = 0;
var nan_point_count = 0;
var nan_face_count = 0;
- for (var i = 0; i < this.points.length/3; i++) {
+ for (var i = 0; i < points.length/3; i++) {
var nan_in_face = false;
for (var j = 0; j < 3; j++) {
var nan_in_point = false;
for (var k = 0; k < 3; k++) {
- if (isNaN(this.points[i*3+j][k])) {
+ if (isNaN(points[i*3+j][k])) {
nan_count++;
nan_in_point = true;
nan_in_face = true;
if (nan_in_face) nan_face_count ++;
}
if (nan_count != 0) {
- alert(nan_count + " NaNs in " + nan_point_count + " points in " + nan_face_count + " faces (" + (100 * nan_face_count / (this.points.length/3)) + "% of faces).");
+ alert(nan_count + " NaNs in " + nan_point_count + " points in " + nan_face_count + " faces (" + (100 * nan_face_count / (points.length/3)) + "% of faces).");
}
-
- // Remove degenerate faces
+ },
+ remove_degenerate_faces: function(points) {
+ // Note: This modifies points
var degenerate_face_count = 0;
- for (var i = 0; i < this.points.length/3; i++) {
- if (this.is_degenerate(this.points[i*3+0],
- this.points[i*3+1],
- this.points[i*3+2])) {
- this.points.splice(i*3, 3);
+ for (var i = 0; i < points.length/3; i++) {
+ if (this.is_degenerate(points[i*3+0],
+ points[i*3+1],
+ points[i*3+2])) {
+ points.splice(i*3, 3);
i--;
degenerate_face_count ++;
}
if (degenerate_face_count != 0) {
console.log("Removed " + degenerate_face_count + " degenerate faces");
}
-
- // Make STL
- this.stl = "solid " + this.user_function.name + "\n";
- for (var i = 0; i < this.points.length/3; i++) {
- var a = this.points[i*3+0];
- var b = this.points[i*3+1];
- var c = this.points[i*3+2];
+ return points;
+ },
+ to_stl: function(points, name) {
+ var stl = "solid " + name + "\n";
+ for (var i = 0; i < points.length/3; i++) {
+ var a = points[i*3+0];
+ var b = points[i*3+1];
+ var c = points[i*3+2];
var normal = this.normal(a, b, c);
- this.stl += "facet normal " + normal[0] + " " + normal[1] + " " + normal[2] + "\n" +
+ stl += "facet normal " + normal[0] + " " + normal[1] + " " + normal[2] + "\n" +
"outer loop\n" +
"vertex " + a[0] + " " + a[1] + " " + a[2] + "\n"+
"vertex " + b[0] + " " + b[1] + " " + b[2] + "\n"+
"endloop\n" +
"endfacet\n";
}
- this.stl += "endsolid " + this.user_function.name + "\n";
+ stl += "endsolid " + name + "\n";
+ return stl;
+ },
+ go: function() {
+ // Remove any previous download links
+ var old_download_link = document.getElementById("nt3d_download");
+ if (old_download_link) {
+ old_download_link.parentNode.removeChild(old_download_link);
+ }
+ // Continue in a callback, so that there's not a stale download
+ // link hanging around while we process.
+ setTimeout(function() {
+
+ // Get params from form
+ var params = {};
+ for (var i = 0; i < this.user_params.length; i++) {
+ var as_string = this.form.elements["param"+i].value;
+ var as_num = +as_string;
+ params[this.user_params[i][0]] = isNaN(as_num) ? as_string : as_num;
+ }
+
+ this.points = this.user_function.call(null, params);
+
+ this.validate(this.points);
+
+ this.remove_degenerate_faces(this.points);
+
+ this.stl = this.to_stl(this.points, this.user_function.name);
// Offer result as download
var download_link = document.createElement("a");
this.ui.appendChild(download_link);
setTimeout(function() { download_link.setAttribute("style", "-webkit-transition: background-color 0.4s; -moz-transition: background-color 0.4s; -o-transition: background-color 0.4s; -ms-transition: background-color 0.4s; transition: background-color 0.4s; background-color: inherit"); }, 0);
- }).call(the_this); }, 0, this); // (We were in a callback this whole time, remember?)
+ }.bind(this), 0); // (We were in a callback this whole time, remember?)
},
framework: function (f, params) {
this.user_function = f;
tr = document.createElement("tr");
table.appendChild(tr);
var td = document.createElement("td");
- td.appendChild(document.createTextNode(params[i][0]));
+ var description;
+ if (params[i].length > 2) {
+ description = params[i][2];
+ } else {
+ description = params[i][0];
+ description = description[0].toUpperCase() + description.substr(1);
+ description = description.replace(/_(.)/g, function(_, c) {
+ return " " + c.toUpperCase();
+ });
+ description = description.replace("Num ", "Number of ");
+ }
+ td.appendChild(document.createTextNode(description));
tr.appendChild(td);
td = document.createElement("td");
var input = document.createElement("input");
projects / nt3d / blobdiff