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wasm readPoly and some debugging

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This commit is contained in:
Stewart Allen 2021-06-22 21:33:46 -04:00
commit c25bab8b2f
3 changed files with 80 additions and 30 deletions
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42
src/geo/polygons.js
View file

@ -312,17 +312,22 @@
// expensive but worth it?
clip.StrictlySimple = true;
if (outA) {
clip.AddPaths(sp1, ptyp.ptSubject, true);
clip.AddPaths(sp2, ptyp.ptClip, true);
const JS = true;
if (clip.Execute(ctyp.ctDifference, ctre, cfil.pftEvenOdd, cfil.pftEvenOdd)) {
cleanClipperTree(ctre);
filter(fromClipperTree(ctre, z, null, null, min), outA);
if (outA) {
if (JS) {
clip.AddPaths(sp1, ptyp.ptSubject, true);
clip.AddPaths(sp2, ptyp.ptClip, true);
if (clip.Execute(ctyp.ctDifference, ctre, cfil.pftEvenOdd, cfil.pftEvenOdd)) {
cleanClipperTree(ctre);
filter(fromClipperTree(ctre, z, null, null, min), outA);
}
} else {
let woutA = filter(geo.poly.diff(setA, setB, z));
outA.appendAll(woutA);
console.log({outA, woutA});
}
// let woutA = filter(geo.poly.diff(setA, setB, z));
// outA.appendAll(woutA);
// console.log({outA, woutA});
}
if (outB) {
@ -331,16 +336,19 @@
clip.Clear();
}
clip.AddPaths(sp2, ptyp.ptSubject, true);
clip.AddPaths(sp1, ptyp.ptClip, true);
if (JS) {
clip.AddPaths(sp2, ptyp.ptSubject, true);
clip.AddPaths(sp1, ptyp.ptClip, true);
if (clip.Execute(ctyp.ctDifference, ctre, cfil.pftEvenOdd, cfil.pftEvenOdd)) {
cleanClipperTree(ctre);
filter(fromClipperTree(ctre, z, null, null, min), outB);
if (clip.Execute(ctyp.ctDifference, ctre, cfil.pftEvenOdd, cfil.pftEvenOdd)) {
cleanClipperTree(ctre);
filter(fromClipperTree(ctre, z, null, null, min), outB);
}
} else {
let woutB = filter(geo.poly.diff(setB, setA, z));
outB.appendAll(woutB);
console.log({outB, woutB});
}
// let woutB = filter(geo.poly.diff(setB, setA, z));
// outB.appendAll(woutB);
// console.log({outB, woutB});
}
return out;

27
src/geo/wasm.js
View file

@ -9,6 +9,7 @@ if (!self.window) (function() {
const factor = self.base.config.clipper;
const geo = self.geo;
const debug = false;
geo.poly = {
diff: polyDiff,
@ -70,6 +71,9 @@ if (!self.window) (function() {
break;
}
}
// if (debug) {
// console.log({diff_resat: resat, memat});
// }
wasm.free(memat);
return polyNest(out);
}
@ -114,6 +118,9 @@ if (!self.window) (function() {
break;
}
}
// if (debug) {
// console.log({diff_resat: resat, memat, delta: resat-memat});
// }
wasm.free(memat);
return polyNest(out);
}
@ -146,13 +153,24 @@ if (!self.window) (function() {
return tops;
}
function runTests() {
let newPolygon = self.base.newPolygon;
let p1 = newPolygon().add(0,0).add(4,0).add(4,4).add(0,4);
let p2 = p1.clone().setZ(0).move({x:2, y:2});
let d1 = geo.poly.diff([p1], [p2], 0);
let d2 = geo.poly.diff([p2], [p1], 0);
console.log('diff',{p1:p1.points, p2:p2.points, d1:d1[0].points, d2:d2[0].points});
let o1 = geo.poly.offset([p1], 1, 0);
console.log('offs',{o1:o1[0].points});
}
fetch('/wasm/kiri-geo.wasm')
.then(response => response.arrayBuffer())
.then(bytes => WebAssembly.instantiate(bytes, {
env: {
polygon: (a,b) => { console.log('polygon',a,b) },
point: (a,b) => { console.log('point',a,b) },
abs: (a) => { console.log('abs',a); return Math.abs(a) }
abc: (a,b,c) => { console.log('abc',a,b,c) }
},
wasi_snapshot_preview1: {
args_get: (count,bufsize) => { return 0 },
@ -170,15 +188,16 @@ if (!self.window) (function() {
heap,
exports,
memory: exports.memory,
memmax: exports.memory.buffer.byteLength,
malloc: exports.mem_get,
start: exports._start,
free: exports.mem_clr,
diff: exports.poly_diff,
union: exports.poly_union,
offset: exports.poly_offset
};
// wasm.start();
if (debug) {
runTests();
}
});
})();