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fix laser packing for offset polys

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This commit is contained in:
Stewart Allen 2017-11-01 07:43:42 -04:00
commit 832927ca29
1 changed files with 9 additions and 1 deletions
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10
js/kiri-driver-laser.js
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@ -102,6 +102,7 @@ var gs_kiri_laser = exports;
var min = {w:Infinity, h:Infinity}, max = {w:-Infinity, h:-Infinity}, p;
layerout.forEach(function(out) {
p = out.point;
out.point = p.clone(); // b/c first/last point are often shared
min.w = Math.min(min.w, p.x);
max.w = Math.max(max.w, p.x);
min.h = Math.min(min.h, p.y);
@ -109,6 +110,12 @@ var gs_kiri_laser = exports;
});
layerout.w = max.w - min.w;
layerout.h = max.h - min.h;
// shift objects to top/left of w/h bounds
layerout.forEach(function(out) {
p = out.point;
p.x -= min.w;
p.y -= min.h;
});
});
// do object layout packing
@ -123,6 +130,7 @@ var gs_kiri_laser = exports;
c = output.sort(function (a, b) { return (b.w * b.h) - (a.w * a.h) }),
p = new MOTO.Pack(ms[0], ms[1], process.outputTileSpacing).fit(c);
// test different ratios until packed
while (!p.packed) {
ms[0] += mi[0];
ms[1] += mi[1];
@ -135,7 +143,7 @@ var gs_kiri_laser = exports;
m.fit.y += m.h / 2 + p.pad;
m.forEach(function(o, i) {
// because first point emitted twice (begin/end)
e = o.point = o.point.clone();
e = o.point;
e.x += p.max.w / 2 - m.fit.x;
e.y += p.max.h / 2 - m.fit.y;
e.z = 0;