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-rw-r--r--delta.jscad29
1 files changed, 29 insertions, 0 deletions
diff --git a/delta.jscad b/delta.jscad
index 326d172..35a777c 100644
--- a/delta.jscad
+++ b/delta.jscad
@@ -146,7 +146,36 @@ var U = {
peek: function(x,m) {
console.log(x,m);
return x;
+ },
+ axes: function U_axes(o) {
+ if(!o) o = {};
+ var l = o.l||20, g = o.g||0.7;
+ return union([
+ CSG.roundedCylinder({start:[0,0,0],end:[l,0,0]}).setColor([1,0,0,g]),
+ CSG.roundedCylinder({start:[0,0,0],end:[0,l,0]}).setColor([0,1,0,g]),
+ CSG.roundedCylinder({start:[0,0,0],end:[0,0,l]}).setColor([0,0,1,g])
+ ]);
+ },
+ pextract: function U_pextract(a,pn) { // TODO: monkeypatch Array
+ return a.map(function(x){return x[pn]});
+ },
+ hole: function U_hole(o) {
+ var r = o.r||o.radius||(o.d/2)||(o.diameter/2);
+ var n = Math.max(Math.round(4*r),4);
+ return CSG.cylinder({
+ start: o.start, end: o.end,
+ radius: r/Math.cos(Math.PI/n),
+ resultion: n
+ });
+ },
+
+ upright: function U_upright() { return new CSG.Connector([0,0,0],[0,0,1],[1,0,0]) },
+ downright: function U_downright() { return new CSG.Connector([0,0,0],[0,0,-1],[1,0,0]) },
+ P: function U_P(x) {
+ if(!x.properties.P) return x;
+ return x.connectTo(x.properties.P,U.upright(),false,0);
}
+
};
/* {h:,w:} */