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keep working on reconstructing edges

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This commit is contained in:
Val Erastov 2015-10-18 20:51:35 -07:00
parent dff8af25ae
commit f932a1f975
2 changed files with 73 additions and 5 deletions
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11
web/app/math/math.js
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@ -28,6 +28,17 @@ TCAD.math.distance = function(x1, y1, x2, y2) {
return Math.sqrt(dx * dx + dy * dy);
};
TCAD.math.distanceAB3 = function(a, b) {
return TCAD.math.distance3(a.x, a.y, a.z, b.x, b.y, b.z);
};
TCAD.math.distance3 = function(x1, y1, z1, x2, y2, z2) {
var dx = x1 - x2;
var dy = y1 - y2;
var dz = z1 - z2;
return Math.sqrt(dx * dx + dy * dy + dz * dz);
};
TCAD.math.ORIGIN = new TCAD.Vector(0, 0, 0);
TCAD.math.AXIS = {

67
web/app/workbench.js
View file

@ -163,13 +163,16 @@ TCAD.craft._pointOnLine = function(p, a, b) {
};
TCAD.craft.reconstructSketchBounds = function(csg, face) {
var polygons = csg.toPolygons();
var plane = face.csgGroup.plane;
var sketchSegments = [];
var outerEdges = [];
var planePolygons = [];
for (var pi = 0; pi < polygons.length; pi++) {
var poly = polygons[pi];
if (TCAD.utils.equal(poly.plane.normal.dot(plane.normal), 1)) {
if (TCAD.utils.equal(plane.w, poly.plane.w)) {
planePolygons.push(poly);
}
continue;
}
var p, q, n = poly.vertices.length;
@ -180,11 +183,12 @@ TCAD.craft.reconstructSketchBounds = function(csg, face) {
if (!pointAOnPlane) continue;
var pointBOnPlane = TCAD.utils.equal(plane.signedDistanceToPoint(b.pos), 0);
if (pointBOnPlane) {
sketchSegments.push([a.pos, b.pos, poly]);
outerEdges.push([a.pos, b.pos, poly]);
}
}
}
return TCAD.craft.segmentsToPaths(sketchSegments);
return TCAD.craft.segmentsToPaths(outerEdges);
};
TCAD.craft.deleteRedundantPoints = function(path) {
@ -245,7 +249,7 @@ TCAD.craft.segmentsToPaths = function(segments) {
var edges = index.get(p);
if (edges === null) return null;
for (var i = 0; i < edges.length; i++) {
var edge = edges[i]
var edge = edges[i];
if (edge[3]) continue;
var res = null;
if (veq(p, edge[0])) res = edge[1];
@ -586,6 +590,59 @@ TCAD.craft._triangulateCSG = function(polygons) {
return triangled;
};
TCAD.craft.splitTwoSegments = function (a, b) {
var da = a[1].minus(a[0]);
var db = b[1].minus(b[0]);
var dc = b[0].minus(a[0]);
var daXdb = da.cross(db);
if (Math.abs(dc.dot(daXdb)) > 1e-6) {
// lines are not coplanar
return null;
}
var veq = TCAD.utils.vectorsEqual;
if (veq(a[0], b[0]) || veq(a[0], b[1]) || veq(a[1], b[0]) || veq(a[1], b[1])) {
return null;
}
var dcXdb = dc.cross(db);
var s = dcXdb.dot(daXdb) / daXdb.lengthSquared();
if (s > 0.0 && s < 1.0) {
var ip = a[0].plus(da.times(s));
function _split(s, ip) {
if (s[0].equals(ip) || s[1].equals(ip)) {
return [s];
}
return [[s[0], ip, s[2]], [ip, s[1], s[2]]]
}
return {
splitterParts : _split(a, ip),
residual : _split(b, ip)
}
}
return null;
};
TCAD.craft.attract = function(vectors, precision) {
var eq = TCAD.utils.areEqual();
var dist = TCAD.math.distanceAB3;
vectors = vectors.slice();
for (var i = 0; i < vectors.length; i++) {
var v1 = vectors[i];
if (v1 == null) continue;
for (var j = i + 1; j < vectors.length; j++) {
var v2 = vectors[j];
if (v2 == null) continue;
if (dist(v1, v2) <= precision) {
TCAD.Vector.prototype.setV.call(v2, v1);
vectors[j] = null;
}
}
}
};
TCAD.craft.recoverySketchInfo = function(polygons) {
var nonStructuralGons = [];
var sketchEdges = TCAD.struct.hashTable.forDoubleArray();