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delete redundant points

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This commit is contained in:
Val Erastov 2015-09-07 00:54:47 -07:00
parent d470ece71c
commit 0fa554a755
1 changed files with 39 additions and 11 deletions
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50
web/app/workbench.js
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@ -170,6 +170,32 @@ TCAD.craft.reconstructSketchBounds = function(csg, face) {
return TCAD.craft.segmentsToPaths(sketchSegments);
};
TCAD.craft.deleteRedundantPoints = function(path) {
var cleanedPath = [];
//Delete redundant point
var pathLength = path.length;
for (var pi = 0; pi < pathLength; pi++) {
var bIdx = ((pi + 1) % pathLength);
var a = path[pi];
var b = path[bIdx];
var c = path[(pi + 2) % pathLength];
var eq = TCAD.utils.equal;
if (!eq(a.minus(b).unit().dot(a.minus(c).unit()), 1)) {
cleanedPath.push(b);
for (var ii = 0; ii < pathLength - pi; ++ii) {
a = path[(ii + bIdx) % pathLength];
b = path[(ii + bIdx + 1) % pathLength];
c = path[(ii + bIdx + 2) % pathLength];
if (!eq(a.minus(b).unit().dot(a.minus(c).unit()), 1)) {
cleanedPath.push(b);
}
}
break;
}
}
return cleanedPath;
};
TCAD.craft.segmentsToPaths = function(segments) {
var veq = TCAD.struct.hashTable.vectorEquals;
@ -234,22 +260,24 @@ TCAD.craft.segmentsToPaths = function(segments) {
}
}
TCAD.utils.iteratePath(path, 0, function(a, b) {
var fromPolygon = csgIndex.get([a, b]);
if (fromPolygon !== null) {
if (fromPolygon.shared.__tcad.csgInfo) {
a.sketchConnectionObject = fromPolygon.shared.__tcad.csgInfo.derivedFrom;
}
}
return true;
});
var filteredPaths = [];
for (var i = 0; i < paths.length; i++) {
var path = paths[i];
//Set derived from object to be able to recunstruct
TCAD.utils.iteratePath(path, 0, function (a, b) {
var fromPolygon = csgIndex.get([a, b]);
if (fromPolygon !== null) {
if (fromPolygon.shared.__tcad.csgInfo) {
a.sketchConnectionObject = fromPolygon.shared.__tcad.csgInfo.derivedFrom;
}
}
return true;
});
path = TCAD.craft.deleteRedundantPoints(path);
if (path.length > 2) {
filteredPaths.push({
vertices : path
vertices: path
});
}
}