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wire collecting algorithm

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This commit is contained in:
Val Erastov 2015-10-05 01:06:04 -07:00
parent 85e8a31240
commit 41575f8464
1 changed files with 29 additions and 16 deletions
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45
web/app/engine.js
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@ -564,9 +564,9 @@ if (typeof THREE !== "undefined") {
TCAD.Solid.prototype.collectWires = function(face) {
function contains(faces, face) {
for (var j = 0; j < faces.length; j++) {
if (faces[j].csgGroup.plane.id === face.id ) {
function contains(planes, plane) {
for (var j = 0; j < planes.length; j++) {
if (planes[j].equals(plane)) {
return true;
}
}
@ -578,13 +578,19 @@ TCAD.Solid.prototype.collectWires = function(face) {
var p, q, n = path.vertices.length;
for (q = 0, p = n - 1; q < n; p = q++) {
var edge = [path.vertices[p], path.vertices[q]];
var connectedFaces = this.wires.get(edge);
if (connectedFaces === null) {
this.wires.put(edge, [face]);
var data = this.wires.get(edge);
if (data === null) {
data = {
sharedPlanes : [face.csgGroup.plane],
sharedFaces : [face]
};
this.wires.put(edge, data);
} else {
if (!contains(connectedFaces, face)) {
connectedFaces.push(face);
if (!contains(data.sharedPlanes, face.csgGroup.plane)) {
data.sharedPlanes.push(face.csgGroup.plane);
}
data.sharedFaces.push(face);
}
}
}
@ -594,19 +600,26 @@ TCAD.Solid.SMOOTH_LIMIT = 10 * Math.PI / 180;
TCAD.Solid.prototype.processWires = function() {
var solid = this;
this.wires.entries(function(edge, faces) {
if (faces.length > 1) {
this.wires.entries(function(edge, data) {
if (data.sharedPlanes.length > 1) {
var u = TCAD.utils;
var shared1 = faces[0].csgGroup.shared;
var shared2 = faces[1].csgGroup.shared;
if (u.sameID(u.getDerivedID(shared1), u.getDerivedID(shared2))) {
return;
}
var angle = Math.acos(faces[0].csgGroup.plane.normal.dot(faces[1].csgGroup.plane.normal));
var plane0 = data.sharedPlanes[0];
var plane1 = data.sharedPlanes[1];
var angle = Math.acos(plane0.normal.dot(plane1.normal));
if (angle < TCAD.Solid.SMOOTH_LIMIT) {
return;
}
}
for (var i = 0; i < data.sharedFaces.length; ++i) {
for (var j = i + 1; j < data.sharedFaces.length; ++j) {
var face0 = data.sharedFaces[0];
var face1 = data.sharedFaces[1];
if (u.sameID(u.getDerivedID(face0.csgGroup.shared), u.getDerivedID(face1.csgGroup.shared))) {
return;
}
}
}
solid.addLineToScene(edge[0], edge[1]);
});
};