AI_Assistant/grid-apps-cmms
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add STL export and right-click context menu

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This commit is contained in:
Stewart Allen 2020-12-06 21:25:31 -05:00
commit 8acc2cee27
5 changed files with 126 additions and 10 deletions
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52
src/kiri/main.js
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@ -87,7 +87,8 @@
for_groups: forSelectedGroups,
for_meshes: forSelectedMeshes,
for_widgets: forSelectedWidgets,
delete: function() { platform.delete(selection.widgets()) }
delete: function() { platform.delete(selection.widgets()) },
export: exportSelection
};
const platform = {
@ -320,7 +321,8 @@
update_fields: updateFields,
wireframe: setWireframe,
snapshot: null,
unit_scale: unitScale
unit_scale: unitScale,
isArrange: function() { return viewMode === VIEWS.ARRANGE }
},
widgets: {
map: function() {
@ -1131,6 +1133,52 @@
auto_save();
}
function exportSelection() {
let widgets = API.selection.widgets();
if (widgets.length === 0) {
widgets = API.widgets.all();
}
let facets = 0;
let outs = [];
widgets.forEach(widget => {
let mesh = widget.mesh;
let geo = new THREE.Geometry().fromBufferGeometry(mesh.geometry);
outs.push({geo, widget});
facets += geo.faces.length;
});
let stl = new Uint8Array(80 + 4 + facets * 50);
let dat = new DataView(stl.buffer);
let pos = 84;
dat.setInt32(80, facets, true);
outs.forEach(out => {
let { faces, vertices } = out.geo;
for (let i=0, il=faces.length; i<il; i++) {
let {a, b, c, normal} = faces[i];
let xo = 0, yo = 0, zo = 0;
if (outs.length > 1) {
let {x, y, z} = out.widget.track.pos;
xo = x;
yo = y;
zo = z;
}
dat.setFloat32(pos + 0, normal.x, true);
dat.setFloat32(pos + 4, normal.y, true);
dat.setFloat32(pos + 8, normal.z, true);
dat.setFloat32(pos + 12, vertices[a].x + xo, true);
dat.setFloat32(pos + 16, vertices[a].y + yo, true);
dat.setFloat32(pos + 20, vertices[a].z + zo, true);
dat.setFloat32(pos + 24, vertices[b].x + xo, true);
dat.setFloat32(pos + 28, vertices[b].y + yo, true);
dat.setFloat32(pos + 32, vertices[b].z + zo, true);
dat.setFloat32(pos + 36, vertices[c].x + xo, true);
dat.setFloat32(pos + 40, vertices[c].y + yo, true);
dat.setFloat32(pos + 44, vertices[c].z + zo, true);
pos += 50;
}
});
return stl;
}
/** ******************************************************************
* Platform Functions
******************************************************************* */